2024-2026 Audi Q5 SUV Service and care User Manual
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Service and care for Your Audi Q5 SUV Third Generation (2024-2026)

Checking and topping up fluids  
Petrol grade  
Applies to: vehicles with petrol engine  
Checking and topping up  
fluids  
The correct fuel grade for your vehicle is listed in-  
side the fuel tank flap.  
Fuel  
1)  
Identification of fuels  
The vehicle is equipped with a catalytic converter  
and must only be run on unleaded petrol. Petrol  
must be sulphur-free and must comply with the  
EN 228 fuel quality standard or equivalent. The  
petrol grades have different octane (RON) or An-  
ti-Knock Index (AKI) ratings.  
In countries where sulphur-free fuel is not availa-  
ble, you may use low-sulphur fuel instead.  
The following headings relate to the sticker on  
the inside of your vehicle's tank flap (example):  
Fig. 113 Fuel tank flap sticker: Identification of fuels (ex-  
amples)  
95 RON/ROZ or min. 91 RON/ROZ  
The use of premium petrol (95 RON / 91 AKI) is  
recommended. If that type of fuel is not availa-  
ble, regular petrol (at least 91 RON / 87 AKI) can  
be used with a slight loss of power.  
The correct fuel grade for your vehicle is listed in-  
side the fuel tank flap.  
The symbols signify different fuels. Depending on  
the fuel, the individual symbols may be found on  
the vehicle’s fuel tank flap. In some countries,  
you will also find the information on the fuel  
pumps. This is intended to help prevent incorrect  
fuel from being used. Only fill the tank with the  
fuel types shown on the vehicle’s fuel tank flap.  
min. 95 RON/ROZ  
Premium petrol (at least 95 RON / 91 AKI) must  
be used.  
If premium petrol is not available, the engine can  
be run on regular petrol with 91 RON / 87 AKI as  
an emergency measure. In this case only use  
moderate engine speeds and a light throttle. Fill  
up with premium or Super Plus petrol as soon as  
possible.  
–
–
–
1 Petrol with ethanol: “E” stands for ethanol.  
The number refers to the proportion of ethanol  
in the petrol. For example, “E5” means that the  
fuel contains a maximum of 5% ethanol.  
2 Petrol with ethanol: “E” stands for ethanol.  
The number refers to the proportion of ethanol  
in the petrol. For example, “E10” means that  
the fuel contains a maximum of 10% ethanol.  
3 Diesel with biodiesel: “B” stands for biodie-  
sel. The number refers to the proportion of bio-  
diesel in the diesel. For example, “B7” means  
that the fuel has a maximum of 7% biodiesel  
content.  
98 RON/ROZ or min. 95 RON/ROZ  
The use of Super Plus petrol (98 RON / 93 AKI) is  
recommended. If that type of fuel is not availa-  
ble, premium petrol (at least 95 RON / 91 AKI)  
can be used with a slight loss of power.  
If premium petrol is not available, the engine can  
be run on regular petrol with 91 RON / 87 AKI as  
an emergency measure. In this case only use  
moderate engine speeds and a light throttle. Fill  
up with premium or Super Plus petrol as soon as  
possible.  
–
4 Diesel: “XTL” stands for paraffinic diesel  
fuel.  
1)  
May vary in different countries.  
226  
Checking and topping up fluids  
Information on petrol grade  
vehicle reliably. Ask at your filling station wheth-  
er the diesel fuel available there is suitable for  
the current conditions and for the temperatures  
which could potentially occur.  
You can use higher octane fuel than your engine  
requires.  
CAUTION  
CAUTION  
– Do NOT fuel your vehicle with high-ethanol  
fuel blends (e.g. E30 – E100). This will dam-  
age the fuel system.  
– Never use FAME fuels (biodiesel), petrol,  
heating oil, thinners or any other fuels or  
additives, as these could cause serious dam-  
age to the fuel system and the engine.  
– Never start the engine if you fill up with the  
wrong type of fuel, as this could damage  
the fuel system and the engine. Seek pro-  
fessional assistance.  
– Do NOT fuel your vehicle with high-metha-  
nol fuel blends (e.g. M15 – M100). Damage  
will occur to the fuel system and the engine.  
– Even one tankful of leaded fuel would per-  
manently impair the efficiency of the cata-  
lytic converter.  
– You should use only petrol additives which  
have been approved by Audi. Additives with  
so-called octane boosters or antiknock addi-  
tives can contain metallic additives that  
cause significant damage to the engine and  
the catalytic converter. Do not use such ad-  
ditives.  
1)  
Paraffinic diesel fuel  
Applies to: vehicles suitable for paraffinic diesel fuel  
The correct fuel grade for your vehicle is listed in-  
side the fuel tank flap.  
You can use sulphur-free paraffinic diesel fuel  
that complies with the EN 15940 standard if the  
“XTL” symbol is on the sticker inside your vehi-  
cle’s tank flap. You must not use this fuel if the  
symbol is not on the sticker.  
– Metal-based fuels, which can be identified  
from the marking on the fuel dispenser,  
must not be used. LRP fuel (lead replace-  
ment petrol) also contains high concentra-  
tions of metallic additive. Risk of engine  
damage!  
Please also refer to the description of diesel fuel  
ðpage 227.  
– High engine speed and full throttle can  
damage the engine when using petrol with  
an octane rating lower than the correct  
grade for the engine.  
Filling the tank  
Driver messages  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Diesel fuel  
Applies to: vehicles with diesel engine  
The correct fuel grade for your vehicle is listed in-  
side the fuel tank flap.  
Driver messages  
If the indicator lamp lights up and a corre-  
sponding message appears, you should add fuel  
to the vehicle’s tank.  
The use of sulphur-free diesel complying with  
the EN 590 standard is recommended.  
Diesel can thicken at very low temperatures,  
which can result in problems starting the engine  
or prevent the engine from running smoothly.  
For this reason, filling stations in some countries  
offer winter-grade diesel fuel during the cold  
months so that you can continue to operate your  
Tank system malfunction! Please contact  
workshop  
There is a malfunction in the tank system. Drive  
to a qualified workshop without delay and have  
the fault rectified.  
1)  
This fuel is available in certain countries only.  
227  
Checking and topping up fluids  
►
Vehicle refuelled. Reset km/miles now?  
When the fuel filler pump switches itself off,  
wait for 5 seconds before pulling out the filler  
nozzle so that any remaining fuel can flow into  
the tank opening.  
Select Yes if you want to reset the trip recorder  
to zero.  
The display of this message depends on the  
amount of fuel in the tank and the amount of  
fuel added.  
►
►
Screw on the tank cap clockwise until it clicks  
audibly.  
Press the left side of the flap to close it (you  
should hear it click into place).  
Filling the fuel tank  
The correct fuel grade for your vehicle is given on  
a sticker on the inside of the tank flap. Further  
notes on fuel ðpage 226.  
The tank capacity of your vehicle is given in the  
Technical data section ðpage 288. The maxi-  
mum possible amount of fuel that can be added  
depends on the amount remaining in the tank.  
To prevent fuel and vapours from escaping, make  
sure that the fuel tank is properly sealed; other-  
1)  
wise the indicator lamp  
will light up.  
Fig. 114 Vehicle as seen from the rear right: Opening fuel  
tank flap  
Information on vehicles with diesel engine  
– Diesel vehicles are equipped with an incorrect  
2)  
fuelling protection system . This system en-  
sures that the tank can only be fuelled from a  
diesel filler nozzle.  
– If the filler nozzle is old, damaged or too small,  
it may not be able to open the protection mech-  
anism on the fuel tank. In this case, try turning  
the filler nozzle before inserting it in the fuel  
filler neck, use a different filling pump or seek  
professional assistance.  
Fig. 115 Fuel tank flap with tank cap attached  
– The protection mechanism will not open if you  
try to add fuel from a spare fuel canister. You  
can get round this simply by adding the diesel  
fuel slowly.  
The fuel tank flap is unlocked/locked automati-  
cally by the central locking system. The fuel tank  
flap is not locked when you lock the vehicle from  
the inside by pressing the central locking switch.  
►
WARNING  
If necessary, unlock the vehicle.  
►
Press the left side of the flap to open it  
ðFig. 114.  
Unscrew the tank cap anti-clockwise.  
Hook the cap onto the open flap ðFig. 115.  
Insert the filler nozzle into the fuel filler neck  
as far as the stop.  
Start refuelling. The filler nozzle cuts out as  
Improper refuelling and improper handling of  
fuel can cause explosions, fire, serious burns  
and other injuries.  
►
►
– Do not smoke. Keep naked flames away  
from the vehicle.  
►
– The ignition must be switched off when re-  
fuelling.  
►
soon as the fuel tank is full ð  
.
1)  
2)  
Depends on engine and country  
Depending on country  
228  
Checking and topping up fluids  
– Mobile phones and radio equipment must  
always be switched off when refuelling.  
Electromagnetic radiation can cause sparks  
which could start a fire.  
– Keep the filler nozzle inserted as far as  
possible into the filler opening while fill-  
ing the canister.  
– Observe all relevant local regulations on  
using, storing and transporting spare fuel  
canisters.  
– The auxiliary heating* must be switched off  
when refuelling.  
– Fuel can escape if you do not insert the filler  
nozzle all the way into the filler neck. Escap-  
ing fuel can ignite and cause a fire.  
– Never get into the vehicle while refuelling. If  
you do have to get into the vehicle in excep-  
tional circumstances, close the door and  
touch a metal surface before handling the  
filler nozzle again. This will discharge any  
static electricity which could generate  
sparks. Sparks can start a fire when refuel-  
ling.  
CAUTION  
– If fuel overflows onto the vehicle, remove it  
completely straight away to prevent dam-  
age to the vehicle.  
– Never run the tank completely dry. If there  
is an irregular fuel supply, misfiring can oc-  
cur. As a result unburnt fuel can enter the  
exhaust system and cause damage to the  
catalytic converter(s).  
– Vehicles with diesel engine: When filling  
the fuel tank after having run it completely  
dry, the ignition must be switched on for at  
least 30 seconds without starting the en-  
gine. When you then start the engine it may  
take longer than normal (up to one minute)  
for the engine to start firing. This is because  
air needs to be bled from the fuel system  
while starting.  
– The filler nozzle cuts out as soon as the fuel  
tank is full. Do not try to put in more fuel af-  
ter the nozzle cuts out, as this will fill the  
expansion chamber in the fuel tank. Do not  
try to put in more fuel after the automatic  
filler nozzle has switched off; this may cause  
the fuel to overflow if it becomes warm, po-  
tentially at a later point in time. This can  
cause explosion, fire and serious or fatal in-  
juries.  
For the sake of the environment  
– Do not try to put in more fuel after the au-  
tomatic filler nozzle has switched off; this  
may cause the fuel to overflow if it becomes  
warm.  
WARNING  
Audi recommends you NOT to carry a spare  
fuel canister in the vehicle. Fuel could escape  
from the canister and catch fire, particularly  
in the event of an accident. Fire, explosions  
and injuries could result.  
– Never pour fuel down drains or into the  
ground.  
– If, in exceptional circumstances, you have to  
carry a spare fuel canister, please observe  
the following warnings:  
Having the tank flap released manually  
►
If you cannot open the tank flap, seek profes-  
sional assistance.  
– Always place the spare fuel canister on the  
ground before filling it. Never fill fuel into  
the spare fuel canister with the canister  
placed in or on top of the vehicle. Electro-  
static electricity can build up while filling  
the canister and ignite the fuel vapours.  
– When using metal fuel canisters, always  
keep the filler nozzle in contact with the  
canister to prevent the build-up of static  
electricity.  
►
Then drive to a qualified workshop and have the  
fault rectified.  
229  
Checking and topping up fluids  
– It may be a crime to operate the vehicle without  
the AdBlue which corresponds to ISO-22241-1.  
– If the emission control system is not operated  
as intended, the exhaust emissions may wor-  
sen.  
Selective catalytic  
reduction (AdBlue/DEF)  
Introduction  
Applies to: vehicles with selective catalytic reduction  
– The use of AdBlue for the operation of this vehi-  
cle is required by law.  
On vehicles with selective catalytic reduction, a  
urea solution (AdBlue/DEF) is injected into the  
exhaust system upstream of a NOx catalytic con-  
verter in order to reduce nitrogen oxide emis-  
sions. The catalytic converter changes nitrogen  
oxides into nitrogen and water with the help of  
the urea solution AdBlue/DEF. The urea solution  
is known as AdBlue or DEF (Diesel Exhaust Fluid).  
The term AdBlue is used below.  
Information on AdBlue  
– The instrument cluster display will tell you how  
far you can drive before the tank runs dry  
ðpage 230, Low AdBlue level. If the AdBlue  
tank runs dry, the engine cannot be started  
again after you switch off the ignition. Never  
run the AdBlue tank completely dry.  
The AdBlue is held in a separate tank in the vehi-  
cle. AdBlue consumption is normally between  
1.0 ltr. – 2.5 ltr./1000 km. In individual cases,  
the consumption may be different as a result of  
how the vehicle is driven along with the operat-  
ing and ambient temperature.  
– Please follow the AdBlue manufacturer's in-  
structions for storage and use.  
– Restrictions may be encountered when refilling  
in very cold temperatures, because the freezing  
point of AdBlue is -11 °C.  
– The system is heated when the vehicle is run-  
ning to ensure that the exhaust gas treatment  
operates even at very low temperatures.  
It is not sufficient to simply have AdBlue refilled  
when the vehicle is serviced because this may be  
necessary more often than services are due or be-  
tween service intervals.  
Driver messages about AdBlue/DEF  
Applies to: vehicles with selective catalytic reduction  
As soon as a message appears in the instrument  
cluster display reminding you to refill AdBlue,  
you must refill the AdBlue tank or have this done  
by a qualified workshop ðpage 231.  
The display informs you if the AdBlue level is too  
low or if a system malfunction occurs.  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Checking range  
The AdBlue consumption depends on the ambi-  
ent and operating temperature and on how the  
vehicle is driven. The estimated remaining range  
can be viewed in the instrument cluster display  
Low AdBlue level  
A series of warnings will inform you if the  
amount of AdBlue in the tank falls below a cer-  
tain level. You should always fill up with AdBlue  
when requested to do so on the instrument clus-  
ter display.  
ðpage 17, Instrument cluster controls and  
ðpage 17, Fig. 2.  
1
Legal information  
Please refill at least x ltr. of AdBlue/DEF the  
next time you refuel. Range x km  
– It is not permitted to make technical changes  
to the emission control system which have an  
effect on the exhaust gas treatment using  
AdBlue.  
This message tells you the maximum distance  
that you can drive with the remaining amount of  
AdBlue. Refill AdBlue.  
– Audi has approved this vehicle for use only with  
AdBlue corresponding to ISO-22241-1, for  
which the Certificate of Conformity for this type  
of vehicle has been issued.  
Refill at least x ltr. of AdBlue/DEF. No re-  
start in x km. See owner's manual  
230  
Checking and topping up fluids  
This message tells you the maximum distance  
that you can drive with the remaining amount of  
AdBlue. Refill AdBlue. Otherwise, after driving  
the maximum distance and switching off the en-  
gine, you will not be able to restart the car. You  
can also call up the remaining distance on the on-  
board computer.  
with non-standard AdBlue or if there is a system  
fault. Drive to the nearest qualified workshop  
without delay and have the fault rectified. You  
will not be able to restart the car after you switch  
off the engine.  
Before refilling AdBlue  
Applies to: vehicles with selective catalytic reduction  
Refill at least x ltr. of AdBlue/DEF. Engine  
cannot be restarted. See owner's manual  
This message appears when there is no more  
AdBlue left in the tank. Refill AdBlue. Otherwise,  
you will not be able to restart the car after you  
switch off the engine.  
When the AdBlue in the tank reaches the mini-  
mum level, you must add AdBlue ðpage 231,  
Before refilling AdBlue.  
Fig. 116 Vehicle as seen from the rear right: Unscrewing  
the AdBlue cap  
Filling the wrong fluid / system fault  
If you fill the AdBlue tank with a fluid other than  
AdBlue and the system detects that the wrong  
fluid has been added or there is a system fault, a  
driver message will appear.  
The AdBlue filler neck is located immediately be-  
side the diesel filler neck.  
The AdBlue tank capacity on your vehicle is given  
Please check AdBlue/DEF. See owner's man-  
in the Technical data section ðpage 288.  
ual  
When the instrument cluster displays the re-  
quest to fill up AdBlue, fill up at least the  
amount of AdBlue displayed. If you do not refill  
this amount of fluid, the system may not detect  
that the tank has been refilled and it may not be  
possible to restart the engine.  
This message appears if the system detects that  
the tank has been filled with the wrong fluid or  
with non-standard AdBlue or if there is a system  
fault. Drive to a qualified workshop and have the  
fault rectified.  
AdBlue/DEF: fault. No restart in x km. See  
►
Park the vehicle on a level surface.  
owner's manual  
►
Switch off the ignition.  
►
Open the tank flap ðpage 228.  
Unscrew the cap on the filler neck anti-clock-  
wise ðFig. 116.  
Refill AdBlue from a filler nozzle ðpage 232,  
This message appears if the system detects that  
the tank has been filled with the wrong fluid or  
with non-standard AdBlue or if there is a system  
fault and the vehicle can only be driven as far as  
indicated in the instrument cluster. Drive to a  
qualified workshop and have the fault rectified.  
Otherwise, after driving the maximum distance  
and switching off the engine, you will not be able  
to restart the car.  
►
►
canister ðpage 232 or bottle ðpage 233.  
WARNING  
AdBlue can cause irritation to the skin, eyes,  
and respiratory organs. Wash thoroughly with  
clean water should you come into contact  
with this fluid. Seek medical assistance if nec-  
essary.  
AdBlue/DEF: fault. Engine cannot be restar-  
ted. See owner's manual  
This message appears if the system detects that  
the tank has been filled with the wrong fluid or  
231  
Checking and topping up fluids  
– You should stop refilling the first time the  
filler nozzle automatically cuts off the sup-  
ply. Otherwise the level of AdBlue in the  
tank may be too high and AdBlue could  
overflow ð in Before refilling AdBlue on  
page 232.  
CAUTION  
– Improper handling of AdBlue can cause  
damage to the vehicle not covered by the  
warranty.  
– Use only AdBlue that complies with the ISO  
22241-1 standard. Do not mix AdBlue with  
additives and do not dilute it with water.  
– AdBlue must not be added to the diesel  
tank, and diesel must not be added to the  
AdBlue tank. Never start the engine if you  
fill up with the wrong type of fuel, as this  
could damage the tank system and the en-  
gine. Seek professional assistance.  
Refilling AdBlue from a canister  
Applies to: vehicles with selective catalytic reduction  
– AdBlue attacks surfaces such as paintwork,  
plastic veneer and carpets. Remove spilt flu-  
id as soon as possible with a damp cloth and  
plenty of water. If the AdBlue has already  
solidified, use warm water and a sponge.  
Residues of AdBlue solidify after a while if  
they are not removed and can damage the  
affected surface.  
Fig. 117 Canister with screw-on hose  
Your qualified workshop can tell you which refill  
canisters are approved for your vehicle. Approved  
refill canisters contain about 5 litres of AdBlue.  
– Do not keep refill bottles or canisters in the  
vehicle, as AdBlue can leak and damage the  
vehicle interior.  
►
Take the cap off the refill canister ð  
fore refilling AdBlue on page 231, ð  
fore refilling AdBlue on page 232.  
in Be-  
in Be-  
– Keep AdBlue away from clothing. Wash  
thoroughly with clean water should you  
come into contact with this fluid.  
►
►
►
Screw the end of the hose 1 clockwise onto  
the opening on the canister A .  
Remove the cap 2 from the other end of the  
hose B .  
Fit the end of the hose 2 onto the filler neck  
on the vehicle and turn clockwise as far as the  
stop to secure.  
Refilling AdBlue from a filler nozzle  
Applies to: vehicles with selective catalytic reduction  
You can fill AdBlue from pumps for either light  
passenger vehicles or heavy goods vehicles.  
►
►
Fill up with AdBlue until the first time the filler  
Lift the canister and then tilt it. Keep it tilted  
until empty or until no more fluid runs into the  
tank.  
Turn the hose anti-clockwise to remove it.  
Remove the canister and screw the tank cap  
back on ðpage 233, After refilling AdBlue.  
nozzle cuts off the supply ð  
.
►
Put the tank cap back on ðpage 233, After re-  
filling AdBlue.  
►
►
CAUTION  
– The handle of the filler nozzle must point  
downwards when filling the tank. Otherwise  
the filler nozzle will not cut off the supply  
automatically ð in Before refilling AdBlue  
on page 232.  
CAUTION  
Use only refill canisters of the correct type ap-  
proved for your vehicle. AdBlue may leak out  
if you use another system.  
– Do not use a damaged filler nozzle in case it  
does not cut off the supply properly.  
232  
Checking and topping up fluids  
AdBlue when you refill and will continue to indi-  
cate a low AdBlue level. The message will disap-  
pear as soon as the tank has thawed.  
Refilling AdBlue from a bottle  
Applies to: vehicles with selective catalytic reduction  
Refill bottles are available from qualified work-  
shops. Approved refill bottles contain about 1.9  
litres of AdBlue.  
Emission control system  
General information  
►
Take the cap off the refill bottle ð  
refilling AdBlue on page 231, ð  
filling AdBlue on page 232.  
in Before  
in Before re-  
WARNING  
►
►
Screw the bottle clockwise onto the filler neck  
as far as it will go.  
To empty the bottle, lightly press the bottom of  
the bottle. Keep pressing the bottom of the  
bottle until the bottle is empty, or until no  
more fluid runs into the tank.  
Unscrew the bottle anti-clockwise without ap-  
plying pressure.  
Remove the bottle and screw the tank cap back  
on ðpage 233, After refilling AdBlue.  
The exhaust system is very hot when the vehi-  
cle is being driven and after the engine has  
been switched off.  
– Never touch the tailpipes when they are hot  
– risk of burns!  
– Because of the high temperatures which can  
occur in the exhaust system, do not park the  
vehicle where the exhaust can come into  
contact with flammable materials under the  
car (e.g. on grass or at the forest edge) – risk  
of fire!  
►
►
CAUTION  
– Do not apply any underseal agents in the  
area around the exhaust system – risk of  
fire!  
Use only refill bottles of the correct type ap-  
proved for your vehicle. AdBlue may leak out  
if you use another system.  
Catalytic converter  
Applies to: vehicles with petrol engine  
After refilling AdBlue  
Applies to: vehicles with selective catalytic reduction  
Please refer to the safety information  
Closing the filler neck  
ðpage 233, General information.  
►
Screw the AdBlue cap clockwise onto the filler  
The vehicle must only be used with unleaded pet-  
rol, otherwise the catalytic converter will be ir-  
reparably damaged.  
neck until the AdBlue cap clicks audibly ð  
Before refilling AdBlue on page 231, ð  
Before refilling AdBlue on page 232.  
in  
in  
Never allow the fuel tank to run completely dry,  
as the irregular supply of fuel can cause misfir-  
ing. This allows unburnt fuel to enter the exhaust  
system, which can cause overheating and dam-  
age to the catalytic converter.  
►
Press the left side of the flap to close it (you  
should hear it click into place).  
After refilling  
The vehicle must be driven so that the system  
can detect the AdBlue which has been added.  
This process can take several minutes.  
Particulate filter  
Applies to: vehicles with particulate filter  
►
If the AdBlue tank had run dry and a range of  
Please refer to the safety information  
ðpage 233, General information.  
0 km was shown on the display, switch on the  
ignition for approx. 30 seconds before starting  
the engine.  
The particulate filter can filter out almost all soot  
particles contained in the exhaust gas. In normal  
driving conditions the filter is self-cleaning.  
AdBlue can freeze at very low temperatures. Re-  
strictions may therefore be encountered when re-  
filling. In this case, the system may not detect  
Should the self-cleaning function of the filter not   
233  
Checking and topping up fluids  
be able to operate, e.g. if the vehicle is continu-  
ously used only for short trips, the filter will be-  
come obstructed with soot and a driver message  
will appear. The particulate filter requires clean-  
ing (regeneration).  
driving at a constant speed is the correct meth-  
od for your vehicle (based on the engine) ð  
.
The engine must be warmed up prior to the re-  
generation trip.  
►
Drive at a speed of between 50 km/h and  
Driver messages:  
120 km/h ð  
. As a result of the increase in  
Particulate filter: can be cleaned by driving  
temperature, the soot in the filter will be  
burned off.  
Do not stop the regeneration trip until the indi-  
cator lamp goes out.  
vehicle. You can continue driving. See owner's  
manual  
►
Or  
This procedure causes the particulate filter to re-  
generate itself and may take some time (approx.  
30 minutes).  
Particulate filter: can be cleaned by driving  
vehicle. You can continue driving. See owner's  
manual  
If the indicator lamp does not go out, drive to a  
qualified workshop and have the fault rectified.  
Different regeneration procedures are required,  
depending on the type of engine (petrol or die-  
sel).  
Information on the particulate filter  
As a result of the high temperatures which occur  
during the regeneration of the particulate filter,  
the radiator fan may continue to run after the en-  
gine is switched off, even if the engine has not  
yet reached operating temperature.  
Regenerating the particulate filter by driving  
and coasting  
Applies to: vehicles with petrol engine  
Before starting the regeneration trip, check  
whether regenerating the particulate filter by  
driving and coasting is the correct method for  
Applies to vehicles with diesel engine: If the indi-  
cator lamp requesting you to refuel the vehicle  
also appears in the instrument cluster during  
the regeneration trip, the particulate filter regen-  
eration process may be interrupted. Drive to a  
filling station and then resume the regeneration  
trip after refuelling the vehicle.  
your vehicle (based on the engine) ð  
.
The engine must be warmed up prior to the re-  
generation trip.  
►
Drive at a speed of at least 80 km/h ð  
.
►
Then take your foot off the accelerator com-  
pletely for a few seconds and let the vehicle  
coast in gear.  
To maximise the service life of the particulate fil-  
ter, always use suitable engine oil and the correct  
fuel. You should also avoid driving the vehicle  
continuously on short trips.  
►
Repeat this procedure (accelerate to at least  
80 km/h and coast again) until the indicator  
lamp goes out.  
This procedure causes the particulate filter to re-  
generate itself and may take some time.  
WARNING  
It is essential, when regenerating the particu-  
late filter, that you adjust your speed to suit  
the weather, road, terrain and traffic condi-  
tions. The recommendation must never lead  
to the driver disregarding local traffic regula-  
tions.  
If the indicator lamp does not disappear after a  
while, drive to a qualified workshop and have the  
fault rectified.  
Regenerating the particulate filter by driving  
at a constant speed  
Applies to: vehicles with diesel engine  
CAUTION  
Before starting the regeneration trip, check  
whether regenerating the particulate filter by  
Before starting the regeneration trip, check  
which method (driving at a constant speed or  
234  
Checking and topping up fluids  
driving and coasting) is required for your vehi-  
cle (based on the engine). If you do not use  
the correct method, the regeneration trip may  
have no effect and the particulate filter may  
be damaged.  
High voltage! Switch off the engine be-  
fore touching any part of ignition sys-  
tem!  
Hot coolant – risk of scalding!  
Always read the instructions in the Own-  
er’s Manual.  
Emission control system  
If the indicator lamp  
lights up or flashes, mal-  
WARNING  
functions have occurred which are relevant for  
emissions. These malfunctions may reduce the  
quality of the exhaust gas and damage the cata-  
lytic converter, for example. Drive slowly to a  
qualified workshop without delay and have the  
fault rectified.  
A vehicle’s engine compartment is a potential-  
ly hazardous area and working there can lead  
to serious injuries.  
– Always exercise extreme caution when work-  
ing in the engine compartment. Always keep  
to the generally accepted safety procedures  
and use your common sense. Never put  
yourself at risk of injury.  
The indicator lamp may also light up if the fuel  
tank flap has not been closed properly  
1)  
ðpage 228  
.
– Do not perform any work in the engine com-  
partment if you do not fully understand the  
procedure or if you do not have suitable in-  
formation, tools and equipment.  
Engine compartment  
Safety information on the engine  
compartment  
– If you are not sure how to proceed, have the  
work performed by a qualified workshop.  
Work which is not performed properly can  
cause serious injuries.  
Extra caution is necessary when working on  
components in the engine compartment.  
Always be aware of the danger of injury and  
scalding as well as the risk of accident or fire  
when working in the motor compartment (e.g.  
when checking and refilling fluids). Always ob-  
serve the warnings listed below and follow all  
normal safety precautions. The engine compart-  
ment of any motor vehicle is a potentially haz-  
WARNING  
Note the following information when working  
on the engine compartment:  
– Switch the vehicle off.  
– Apply the parking brake.  
– Keep children away from the engine com-  
partment.  
ardous area ð  
.
– Never spill fluids in the engine compart-  
ment.  
Explanation of warning symbols:  
Observe all warnings – risk of injury!  
– Take care not to cause short circuits in the  
electrical system. Close the positive battery  
terminal cover, for example, immediately af-  
ter use.  
Hot components!  
Rotating parts!  
Hot surfaces. The heat generated during  
– To avoid the risk of being scalded, never  
open the bonnet if you see steam or coolant  
escaping from the engine compartment.  
Wait until no steam or coolant can be seen  
before opening the bonnet.  
operation can lead to hot surfaces on in-  
dividual components. Do not touch com-  
ponents – risk of burns!  
Fan can switch on at any time!  
.
1)  
Depends on engine and country  
235  
Checking and topping up fluids  
– The cap on the coolant expansion tank must  
not be opened if the coolant is hot. The cool-  
ing system is under pressure.  
– Protect your face, hands and arms by cover-  
ing the cap with a large, thick cloth to pro-  
tect against escaping coolant and steam.  
– Any work on the batteries and electrical sys-  
tem in your vehicle entails a risk of injury  
and chemical burns in addition to danger of  
accident or fire. For this reason, you must  
have the work carried out by a qualified  
workshop.  
Fig. 119 Unlocked bonnet: Lever  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
– Do not expose yourself to chemical substan-  
ces for any longer than necessary. For exam-  
ple, electrolytic fluids can irritate the skin.  
The wiper arms should be resting on the wind-  
screen: make sure they are not in a raised posi-  
tion. Otherwise the paint may get damaged.  
CAUTION  
When topping up fluids make sure the correct  
fluid is put into the correct filler opening.  
Failure to do so will cause serious malfunc-  
tions or damage.  
Opening the bonnet  
The bonnet is released from inside the vehicle.  
1)  
►
With the door open, pull the lever under  
the dashboard in the direction indicated by the  
arrow ðFig. 118.  
For the sake of the environment  
►
Inspect the ground underneath your vehicle  
regularly so that any leaks are detected at an  
early stage. If you find spots of oil or other  
fluids, have your vehicle inspected by a quali-  
fied workshop.  
Lift the bonnet slightly ð  
.
►
Press the release lever ðFig. 119 in the direc-  
tion indicated by the arrow. This will release the  
arrester hooks.  
►
Open the bonnet.  
Closing the bonnet  
Opening/closing the bonnet  
►
To close the bonnet, pull it down to overcome  
the spring pressure.  
►
Then let it drop into the catches; do not press  
down. ð  
WARNING  
– To avoid the risk of being scalded, never  
open the bonnet if you see steam or coolant  
escaping from the engine compartment.  
Wait until no steam or coolant can be seen  
before opening the bonnet.  
Fig. 118 Footwell: Release lever  
– For safety reasons the bonnet must always  
be completely closed when the vehicle is  
moving. After closing it always check that it  
1)  
Symbol not available in all countries.  
236  
Checking and topping up fluids  
is properly secured. It should not be possible  
to lift the front edges of the bonnet.  
stop the vehicle immediately and close the  
bonnet properly, otherwise it could cause an  
accident.  
– Should you notice that the bonnet is not  
safely secured when the vehicle is moving,  
Engine compartment layout  
Main components for checking and refilling  
Fig. 120 Engine compartment layout: Example  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
6
7
Brake fluid reservoir () under a cover  
ðpage 244  
Applies to vehicles with mild hybrid technolo-  
gy: Coolant expansion tank for electrical  
components () ðpage 242  
1
Windscreen washer container ()  
ðpage 248  
8
Coolant expansion tank for combustion en-  
gine () ðpage 242  
2
Jump-start terminal: (+) under a cover  
ðpage 247, Charging the 12-volt vehicle  
battery, ðpage 271, Jump-starting  
The positions of the brake fluid reservoir and the  
engine oil filler cap may be different on some en-  
gine and country versions.  
3
Jump-start terminal: (–) with hexagon head  
ðpage 247, Charging the 12-volt vehicle  
battery, ðpage 271, Jump-starting  
4
5
Sticker for engine oil specification  
ðpage 238  
Engine oil filler cap () ðpage 239, Check-  
ing the engine oil level  
237  
Checking and topping up fluids  
ty requirements may cause damage to the en-  
gine. In an emergency, 0.5 ltr. of engine oil  
corresponding to the standards specified  
above may be used as an exception.  
Engine oil  
If the engine oil level is too low  
Driver messages  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Switch off engine. Oil pressure too low  
Switch off the engine and do not drive on. Check  
the engine oil level ðpage 239.  
Fig. 121 Engine oil sticker  
– If the engine oil level is too low, add more oil  
ðpage 240. Do not drive on until the warning  
lamp has gone out.  
–
–
1 Engine oil standard  
2 Engine oil viscosity  
If you have to top up the engine oil, use one of  
the oils that meet the engine oil standard speci-  
fied on the sticker ðFig. 121. The sticker with  
the specified standard is located at the front of  
the engine compartment ðpage 237, Fig. 120. If  
you use this oil, you can top up the engine oil lev-  
el as often as necessary.  
– If the engine oil level is OK but the warning  
lamp still lights up, switch off the engine and  
do not drive on. Seek professional assistance.  
Please add oil immediately  
Switch off the engine and do not drive on. Check  
the oil level ðpage 239 and top it up immediate-  
ly ðpage 240.  
If the specified engine oil is not available, you can  
add a maximum of 0.5 litres of oil corresponding  
to the following standards once between oil  
changes. You should do this in emergencies only.  
Please add max. x ltr. oil. You can continue  
driving  
Add the amount of oil shown soon ðpage 240.  
– Applies to petrol engines: Standards:  
VW 504 00, ACEA C3, ACEA C4, API SP or ILSAC  
GF-6A. All viscosity classes of these standards  
are allowed.  
Please reduce oil level  
The engine contains too much oil – risk of dam-  
age to the catalytic converter and engine. Drive  
to a qualified workshop without delay to have the  
engine oil level adjusted if necessary. Avoid high  
engine speeds, full acceleration and heavy engine  
loads.  
– Applies to diesel engines: Standards:  
VW 507 00, ACEA C3, ACEA C4 or API CK-4. All  
viscosity classes of these standards are al-  
lowed.  
Audi recommends having the oil changed by a  
qualified workshop.  
Oil level sensor system: fault. Please contact  
workshop  
Audi recommends engine oil from Audi Genuine  
Parts.  
The sensor for checking the engine oil level has  
failed. Drive to a qualified workshop soon and  
have the fault rectified.  
CAUTION  
Oil system: fault. Please contact workshop  
Audi recommends that you use the types of  
engine oil that have been formulated to con-  
form to the corresponding VW standard. Us-  
ing engine oil that does not meet these quali-  
The sensor for checking the engine oil pressure  
has failed. Drive to a qualified workshop soon  
and have the fault rectified.  
238  
Checking and topping up fluids  
Please warm up engine  
ticularly high loads, such as during long motor-  
way trips in the summer or when driving over  
mountain passes.  
It is possible for fuel to enter the engine oil, es-  
pecially at low outside temperatures. The tem-  
perature of the engine oil needs to be high  
enough so that the fuel in it can evaporate.  
Checking the engine oil level in the MMI  
You can check the engine oil level on the MMI.  
Drive in transmission position S.  
– You can call up the engine oil level via the Car  
menu ðpage 25.  
Run the engine at high rpm speeds but avoid us-  
ing full throttle.  
If the oil level is not shown, carry out the follow-  
ing steps:  
You should drive for at least 30 minutes; however  
it is possible that the indicator lamp may not go  
out during this period. Repeat the procedure at  
your convenience.  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
If the indicator lamp does not disappear after  
several runs, drive to a qualified workshop and  
have the fault rectified.  
– Park the vehicle on a level surface.  
– Switch off the warm engine.  
– Switch on the ignition again without starting  
the engine.  
WARNING  
– Wait for about 5 minutes for the engine oil to  
drain back out of the engine into the sump.  
– You can call up the engine oil level via the Car  
menu ðpage 25.  
When responding to the message Please  
warm up engine, it is essential that you ad-  
just your speed to suit the weather, road, ter-  
rain and traffic conditions. The recommenda-  
tion must never lead to the driver disregard-  
ing local traffic regulations.  
– Read off the oil level on the display.  
Information on the oil level display  
The oil level shown on the centre display (MMI) is  
intended solely for information purposes. An oil  
level warning will appear in the instrument clus-  
ter if the oil level is too low. Add more oil  
ðpage 240, Topping up the engine oil.  
Checking the engine oil level  
Information on engine oil consumption  
Depending on how you drive and the conditions  
in which the car is used, oil consumption can be  
up to 0.5 ltr./1000 km. Oil consumption is likely  
to be higher for the first 5,000 km. The engine  
oil level must be checked at regular intervals,  
preferably when refuelling and before a journey.  
Fig. 122 Centre display: Checking engine oil level  
Areas of the oil level display ðFig. 122.  
Please refer to ð  
.
1
2
3
If the display is in this area, the engine oil  
level is correct.  
CAUTION  
There is a risk of engine damage if the engine  
oil level is too low or too high.  
If the display is in this area, you could top up  
the engine oil.  
If the display is in this area, you must top up  
the engine oil.  
The engine oil level should be inside the top per-  
missible area when the vehicle is subject to par-  
239  
Checking and topping up fluids  
Topping up the engine oil  
CAUTION  
No additives should be used with engine oil.  
These could cause engine damage.  
For the sake of the environment  
– Never pour oil down drains or into the  
ground.  
– Always observe local regulations when dis-  
posing of empty oil canisters.  
Fig. 123 Engine compartment: Engine oil filler cap (exam-  
ple)  
Cooling system  
Coolant  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
►
Switch off the engine.  
The cooling system is filled at the factory with a  
mixture of conditioned water and coolant addi-  
tive. This coolant must not be changed.  
►
Open the bonnet ðpage 236.  
Unscrew the cap from the oil filler opening  
ðFig. 123.  
►
►
Carefully add 0.5 litres of suitable engine oil  
ðpage 238.  
Screw the filler cap back on.  
Close the bonnet ðpage 236.  
The coolant level is monitored by a warning lamp  
. However, it is advisable to check it occasion-  
►
ally.  
►
►
Coolant additive  
Switch the ignition on again after two minutes  
and read off the current oil level on the MMI  
ðpage 239, Checking the engine oil level.  
Applies when using engine oil that corresponds  
to the specified standard: Add a little more en-  
gine oil if necessary.  
The coolant additive contains anti-freeze and cor-  
rosion protection agent. When topping up, use  
only the type of coolant additive specified below,  
in combination with distilled water.  
►
Coolant additive  
G12evo  
Specification  
TL 774 L  
WARNING  
– Ensure that no oil comes into contact with  
hot engine components when topping up:  
this could cause a fire.  
The amount of coolant additive which needs to  
be mixed with the water depends on the temper-  
atures to be expected in the winter season. If the  
anti-freeze concentration is too low, the coolant  
can freeze and cause engine damage.  
– The oil filler cap must be properly closed to  
prevent oil from squirting onto the hot en-  
gine or exhaust system while the engine is  
running – risk of fire!  
Coolant  
additive  
Frost protec-  
tion  
– Wash your skin thoroughly if it comes into  
contact with engine oil.  
Hot regions  
Cold regions  
min. 40 %  
max. 45 %  
min. -25 °C  
(-13 °F)  
– Engine oil is poisonous and must be kept out  
of the reach of children.  
min. 50 %  
max. 55 %  
max. -40 °C  
(-40 °F)  
– Store the engine oil safely in the original  
container.  
240  
Checking and topping up fluids  
Driver messages about the cooling system  
CAUTION  
– Have your qualified workshop check the  
cooling system before the winter season to  
make sure that the anti-freeze concentra-  
tion is adequate for the conditions to be ex-  
pected. This applies particularly if you drive  
into a colder climate zone.  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Coolant temperature: too high! Please  
switch off engine  
Switch off the engine and do not drive on. Wait  
approx. 15 minutes and then restart the engine.  
Do not drive on if the indicator lamp does not dis-  
appear. Seek professional assistance.  
– Adjustments to the amount of coolant addi-  
tive to suit colder temperatures must al-  
ways be carried out by a qualified workshop;  
otherwise there is a risk of engine damage.  
The vehicle has several coolant circuits that  
can only be filled by a qualified workshop  
that has the necessary special tools.  
– To prevent damage to the engine, do not  
use a different type of coolant additive if  
G12evo is not available. In this case use only  
clean, ideally distilled water and have the  
coolant concentration brought back up to  
the correct level as soon as possible with  
the specified additive.  
Coolant temperature: high. Please adapt  
driving style  
You can continue driving. The air conditioner out-  
put will be restricted. The performance may be  
restricted. Continue driving in a moderate style  
or allow the engine to idle until the indicator  
lamp disappears. If the indicator lamp still does  
not disappear, do not drive on. Seek professional  
assistance.  
– Always top up with fresh, unused coolant.  
– Radiator sealants must not be added to the  
coolant.  
Cooling system: fault. Please contact work-  
shop  
There is a fault in the cooling system. Do not  
drive on. Check the coolant level ðpage 242,  
Checking the coolant level. If the indicator lamp  
disappears after the coolant level has been  
checked and coolant has been added if necessary,  
you can continue driving. Do not drive on if the  
indicator lamp does not disappear. Seek profes-  
sional assistance.  
– The cooling system must be refilled by a  
qualified workshop only – risk of engine  
damage! You can obtain important informa-  
tion about recommended anti-freeze addi-  
tives from your qualified workshop.  
CAUTION  
– Additional lights and other accessories in  
front of the air inlet reduce the cooling ef-  
fect of the radiator. At high outside temper-  
atures and high engine loads, there is a risk  
of the engine overheating.  
– The front spoiler also ensures proper distri-  
bution of the cooling air when the vehicle is  
moving. If the spoiler is damaged this can  
reduce the cooling effect, which could cause  
the engine to overheat. Seek professional  
assistance.  
241  
Checking and topping up fluids  
Preparations before checking the coolant  
level  
Checking the coolant level  
►
Park the vehicle on a level surface.  
►
Switch the vehicle off. (The ignition must re-  
main switched off throughout the process of  
checking and topping up the coolant.)  
►
Open the bonnet ðpage 236.  
►
Applies to 4-cylinder petrol engine: Wait for at  
least 15 minutes after switching off the engine;  
otherwise the coolant level reading may be in-  
correct.  
►
When the coolant is cold, the coolant level  
should be between marks 1 and 2 ðFig. 124  
or ðFig. 125. The coolant level may initially be  
slightly above the top mark 1 on new vehicles.  
This may also be the case if the engine is warm.  
►
You can read the coolant level on the outside  
ðpage 242, Checking the coolant level based  
on marks on the outside or inside ðpage 242,  
Checking the coolant level based on marks on  
the inside of the coolant expansion tank.  
Fig. 124 Engine compartment: Coolant expansion tank for  
combustion engine.  
inside coolant tank (visible when cap is opened – risk of  
scalding!)  
A
marks on expansion tank,  
B
marks  
Checking the coolant level based on marks  
on the outside  
►
Read the coolant level on the outside of the ex-  
pansion tank A ðFig. 124 or ðFig. 125.  
►
Please read the information on ðpage 240,  
Cooling system before topping up the coolant  
in the coolant expansion tank.  
Checking the coolant level based on marks  
on the inside  
Applies to: coolant expansion tank for combustion engine  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
Applies to vehicles with mild hybrid technology:  
Fig. 125 Engine compartment: Coolant expansion tank for  
electrical components  
►
Wait for the engine to cool down.  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
►
Cover the cap on the expansion tank with a  
large, thick cloth.  
Carefully unscrew the black cap for the affected  
►
coolant circuit A ðFig. 124 by turning it anti-  
Your vehicle may have two separate coolant ex-  
pansion tanks depending on its equipment  
ðpage 237, Fig. 120. One expansion tank is for  
the combustion engine (black cap) ðFig. 124  
and the other one is for the electrical compo-  
nents (blue cap) ðFig. 125. Please refer to the  
clockwise ð  
.
►
►
Read the coolant level on the inside of the ex-  
pansion tank B ðFig. 124.  
If you did not need to top up the coolant, screw  
the black cap on clockwise until you feel the  
second point of resistance.  
safety information ð  
.
242  
Checking and topping up fluids  
►
Please read the information on ðpage 240,  
Cooling system before topping up the coolant  
in the coolant expansion tank.  
Wait until you can no longer see or hear es-  
caping steam or coolant.  
– When working in the engine compartment  
be aware that the radiator fan may start  
running suddenly, even if the ignition is  
switched off – risk of injury!  
Topping up the coolant  
Important: A visible amount of coolant must re-  
main in the coolant expansion tank ð  
.
– The coolant and coolant additives can be a  
health hazard. Store the coolant additive in  
the original container in a safe place out of  
reach of children – risk of poisoning.  
If you do need to top up the coolant, use a mix-  
ture of distilled water and the specified coolant  
additive. Only use non-distilled water in an emer-  
gency. Always use clean water.  
CAUTION  
Applies to vehicles with mild hybrid technology:  
The caps for the two coolant expansion tanks  
Coolant loss which leads to the coolant ex-  
pansion tank being empty normally indicates  
significant leaks in the cooling system which  
could result in further damage. In this case,  
do NOT drive on. Seek professional assistance.  
– Do not add coolant if the expansion tank is  
empty. Air could have got into the cooling  
system – risk of damage! In this case, do  
NOT drive on. Seek professional assistance.  
– If there is a visible amount of coolant re-  
maining in the tank, add more coolant.  
must not be swapped over ð  
.
Coolant circuit for combustion engine: black cap  
ðFig. 124  
Applies to vehicles with mild hybrid technology:  
Coolant circuit for electrical components: blue  
cap ðFig. 125  
►
Wait for the engine to cool down.  
►
Cover the cap on the expansion tank you intend  
to open with a large, thick cloth.  
Drive to a qualified workshop without delay  
and have the fault rectified. If the warning/  
►
Carefully unscrew the cap for the affected cool-  
ant circuit ðFig. 124 A or ðFig. 125 by turn-  
indicator lamp /  
comes on again,  
ing it anti-clockwise ð  
.
stop the vehicle and switch off the ignition.  
Seek professional assistance.  
►
►
►
Add coolant in the correct concentration  
ðpage 240 up to mark 1 .  
You should make sure that the fluid level re-  
mains stable. If necessary, add more coolant.  
Screw the cap on clockwise until you feel the  
second point of resistance.  
– If too much coolant has been added to the  
coolant expansion tank, drive to a qualified  
workshop soon and have the coolant level  
corrected.  
– If you use non-distilled water, the chemicals  
that it contains can cause serious corrosion  
damage to the engine – risk of engine dam-  
age!  
WARNING  
– The engine compartment of any motor vehi-  
cle is a potentially hazardous area. Before  
carrying out any work in the engine com-  
partment, switch off the vehicle and allow  
the cooling system to cool down. Please ob-  
serve the important safety warnings  
– If you have used a large quantity of non-dis-  
tilled water (more than 0.5 ltr.) in an emer-  
gency, drive directly to a qualified workshop  
and have the coolant changed.  
– Applies to vehicles with mild hybrid technol-  
ogy: The caps for the two coolant expansion  
tanks must not be swapped over – risk of  
engine damage! Black cap for combustion  
engine ðFig. 124, blue cap for electrical  
components ðFig. 125.  
ðpage 235, Safety information on the en-  
gine compartment.  
– Never open the bonnet if you can see or hear  
steam or coolant escaping from the engine  
compartment; there is a risk of being scal-  
ded. The cooling system is under pressure.  
243  
Checking and topping up fluids  
The brake fluid level is also automatically moni-  
tored.  
Brake fluid  
Checking the brake fluid  
Having the brake fluid changed  
The brake fluid is changed at regular intervals.  
Have the brake fluid changed by a qualified work-  
shop. The qualified workshop will inform you of  
these intervals.  
WARNING  
– Please refer to the safety information ð  
in Driver messages about brake fluid on  
page 245.  
Fig. 126 Engine compartment: Cap of brake fluid reservoir  
– Heavy use of the brakes may cause a vapour  
lock if old brake fluid is left in the system.  
This would seriously impair the effective-  
ness of the brakes and the safety of the car –  
risk of accident!  
– The brake fluid in your vehicle must comply  
with the VW 501 14 standard. If this brake  
fluid is not available, it is permissible to use  
an alternative high-quality brake fluid com-  
plying with the U.S. Federal Motor Vehicle  
Standard (FMVSS) 116 DOT 4, Class 6  
(ISO 4925).  
Fig. 127 Engine compartment: Removing cover for brake  
fluid reservoir  
– If used brake fluid or brake fluid not ap-  
proved for your vehicle is used, the effective-  
ness of the brakes will be seriously impaired  
and the brake system could even fail com-  
pletely. The vehicle manufacturer will accept  
no liability for faults or damage which occur  
as a result. In addition, no warranty claims  
will be accepted.  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
Checking the brake fluid level  
The brake fluid reservoir is located underneath a  
cover in the engine compartment on the driver's  
side.  
►
Park the vehicle on a level surface.  
Open the bonnet ðpage 236.  
Remove the cover below the windscreen on the  
driver’s side. To do so, press on the cover  
CAUTION  
►
– Please refer to the safety information ð  
in Driver messages about brake fluid on  
page 245.  
►
1
and lift it out ðFig. 127.  
– Brake fluid must not be allowed to come in-  
to contact with the vehicle's body, other-  
wise it will attack the paintwork.  
►
►
Read off the brake fluid level on the brake fluid  
reservoir ðpage 237. The brake fluid level  
must be between the MIN and MAX marks  
ð
.
Driver messages about brake fluid  
Fit the cover securely again below the wind-  
screen. First guide the cover in centrally until it  
can be swung back and forth slightly. Then  
press the cover down towards the rear until it  
engages.  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
244  
Checking and topping up fluids  
Brakes: stop vehicle and check brake fluid  
level  
Switch off any electrical equipment which is not  
required (some equipment may be switched off  
automatically). The performance of certain vehi-  
cle functions may be limited and the vehicle’s  
handling may be impaired. Drive to a qualified  
workshop without delay.  
Stop the vehicle and check the brake fluid level.  
Seek professional assistance.  
WARNING  
Electrical system: low battery charge. Bat-  
If the brake fluid level is under the MIN mark,  
the effectiveness of the brakes and therefore  
the safety of the vehicle may be impaired –  
risk of accident! Do not drive on. Seek profes-  
sional assistance.  
tery will be charged while driving  
– If this message disappears after a while, the ve-  
hicle battery will have been sufficiently charged  
while driving.  
– If the message does not disappear again, drive  
to a qualified workshop and have the fault rec-  
tified.  
CAUTION  
If the brake fluid level is above the MAX mark,  
brake fluid may escape via the cap on the res-  
ervoir in certain circumstances and cause  
damage to the vehicle.  
WARNING  
An electrical system fault can cause vehicle  
functions to fail, thus impairing the vehicle’s  
stability – risk of accident! Switch the vehicle  
off and do not drive on. Seek professional as-  
sistance.  
Electrical system  
Driver messages about the electrical  
system  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
Battery  
General information on batteries  
Because of the complexity of the power supply,  
any battery work, such as disconnection, replace-  
ment, etc. must be carried out by a qualified  
If the warning lamp  
/
lights up, there is a  
power supply or battery fault or a fault in the ve-  
hicle's electrical system.  
workshop ð  
.
Electrical system: fault. Safely stop vehicle  
Several batteries using different technologies are  
fitted in your vehicle:  
The steering wheel may also vibrate when the  
driver message appears. Stop the vehicle safely  
and do not continue driving. You should also  
switch off the vehicle ð . Seek professional as-  
sistance.  
– 12-volt vehicle battery (e.g. for basic supply)  
ðpage 247, Safety information on batteries  
If the vehicle is not used for long periods  
Electrical system: fault. No restart possible.  
The 12-volt battery gradually becomes dis-  
charged if the vehicle is left standing for long pe-  
riods. To ensure that the vehicle can be started,  
the electrical equipment is powered back or  
switched off. Certain convenience features, such  
as interior lighting or electric seat adjustment,  
may not be available. These functions will be re-  
stored when you activate the drive system.  
Please contact workshop  
It will not be possible to restart the vehicle once  
you have switched it off. The performance of cer-  
tain vehicle functions may be limited and the ve-  
hicle’s handling may be impaired. Drive to a  
qualified workshop without delay.  
Electrical system: fault. Please contact  
workshop  
Even though some systems are deactivated auto-  
matically, certain electrical equipment continues   
245  
Checking and topping up fluids  
to draw current even when the ignition is off. If  
the vehicle is left standing for long periods, this  
can result in total 12-volt battery discharge. If  
the vehicle battery is allowed to discharge com-  
pletely, an internal chemical reaction damages  
the battery irreparably. To avoid this, the battery  
should be recharged at least once a month  
ðpage 247. Please seek advice from a qualified  
workshop.  
part of the replacement procedure. Only  
qualified workshops have the equipment re-  
quired in order to perform the calibration  
correctly. If the correct equipment is not  
used, safety-related functions may fail – risk  
of accident!  
– Using a 12-volt vehicle battery that does not  
have the same specifications or dimensions  
as the factory-fitted 12-volt vehicle battery  
can cause short-circuits or fires. Serious or  
fatal injuries may occur as a result.  
– Only maintenance-free and leak-proof 12-  
volt vehicle batteries that have the same  
specifications and dimensions as the facto-  
ry-fitted 12-volt vehicle battery may be  
used.  
Winter conditions  
Cold weather is very hard on the 12-volt vehicle  
battery. For this reason, you should have the bat-  
tery checked by a qualified workshop before the  
start of winter.  
Replacing the battery  
The following description applies to the 12-volt  
vehicle battery. Any work on the battery must al-  
ways be carried out by a qualified workshop.  
CAUTION  
– If the car is left standing for long periods,  
protect the 12-volt vehicle battery from  
frost. The battery will be damaged irrepara-  
bly if it is allowed to freeze ðpage 247,  
Charging the 12-volt vehicle battery.  
– Always have the 12-volt vehicle battery re-  
placed by a qualified workshop because the  
vehicle electronics must be calibrated as  
part of the replacement procedure. Only  
qualified workshops have the equipment re-  
quired in order to perform the calibration  
correctly.  
The 12-volt vehicle battery has been developed  
for use in its installation location and is equipped  
with safety features. If a 12-volt vehicle battery  
has to be replaced, please enquire about the  
electromagnetic compatibility, capacity and the  
required maintenance, performance and safety  
features of the new 12-volt vehicle battery be-  
fore purchasing it from your qualified workshop.  
The gas vent on the 12-volt vehicle battery must  
always be located on the side of the negative ter-  
minal. The gas vent on the side of the positive  
terminal must always be sealed.  
– If a battery is used that does not meet the  
quality specifications set by Audi, or that  
has a battery capacity that is too low, the  
vehicle’s certification for use on public roads  
is void and thus also the vehicle’s registra-  
When replacing the 12-volt lead battery, use only  
maintenance-free 12-volt lead batteries to  
standards TL 825 06 and VW 7 50 73. These  
standards must be from October 2014 or later.  
tion ð  
.
For the sake of the environment  
WARNING  
Batteries and electric/electronic equip-  
ment must be disposed of appropriately  
ðpage 290, Information on waste disposal.  
– Any work on the batteries and electrical sys-  
tem in your vehicle entails a risk of injury  
and chemical burns in addition to danger of  
accident or fire. For this reason, you must  
have the work carried out by a qualified  
workshop.  
– Always have the 12-volt vehicle battery re-  
placed by a qualified workshop because the  
vehicle electronics must be calibrated as  
246  
Checking and topping up fluids  
Safety information on batteries  
Explanation of warning symbols:  
WARNING  
Any work on the batteries must always be car-  
ried out by a qualified workshop.  
Observe all warnings – risk of injury!  
– Any gases escaping from batteries may be  
toxic or flammable.  
/ Always read the instructions in the Own-  
– The substances contained in batteries can  
be corrosive. If the contents of the battery  
come into contact with your skin, rinse the  
affected area with clean water for at least  
15 minutes and then wash with soap. Have  
the affected area examined by a doctor.  
er’s Manual.  
12-volt vehicle battery. High-voltage com-  
ponent. Improper handling can cause  
short circuits ð in General information  
on batteries on page 246.  
With the exception of jump-starting and  
charging the 12-volt vehicle battery, all  
work on the 12-volt vehicle battery must  
Charging the 12-volt vehicle battery  
be performed by a qualified workshop  
ð
in General information on batteries  
on page 246 ð in General information  
on batteries on page 246.  
Electrolyte is extremely corrosive. Always  
wear protective gloves and safety glasses.  
First aid: If electrolyte comes into contact  
with the eye, rinse the eye immediately  
with fresh water for several minutes. Seek  
medical assistance without delay. Neutral-  
ise any electrolyte spilt on skin or clothing  
immediately with soapy water and rinse  
with plenty of fresh water. If electrolyte is  
drunk by accident, seek the assistance of a  
doctor immediately.  
Fig. 128 Engine compartment: Terminals for jump leads  
or battery charger  
Please read the safety information ðpage 235,  
Safety information on the engine compartment,  
ð
in General information on batteries on  
page 246 and ð  
.
Always wear safety glasses.  
Important: Only use battery chargers with a max-  
imum charging voltage of 14.8 V. The battery  
cables remain connected.  
If electrolyte comes into contact with the  
eye, rinse the eye immediately with fresh  
water for several minutes. Seek medical  
assistance without delay.  
The terminals for the charging cables are located  
in the engine compartment. The earth point  
always on the vehicle's body.  
–
is  
Keep open flames, sparks, uncovered  
lights and lit cigarettes away from the  
►
Switch off all electrical equipment and the vehi-  
cle.  
Open the bonnet ðpage 236.  
Open the cap on the positive terminal  
ðFig. 128.  
battery! Avoid sparks and short-circuits  
when handling cables and electrical equip-  
ment.  
►
►
Always keep children away from batteries  
►
Carefully and correctly connect the charger ca-  
bles (according to the manufacturer’s instruc-  
tions for the battery charger) to the positive  
and electrolyte.  
A highly explosive mixture of gases may  
be given off when the battery is under  
charge!  
terminal  
+
and then to the earth point - .  
►
Connect the battery charger to the mains and  
switch it on.  
247  
Checking and topping up fluids  
►
Keep the bonnet fully open while charging  
damaged, do not charge the vehicle or use  
the positive terminal to jump start the vehi-  
cle, as there is a risk of a short circuit or fire!  
Please contact a qualified workshop.  
ð
.
►
►
After charging the battery: switch off the bat-  
tery charger and disconnect the mains cable.  
Now disconnect the charger cables. First from  
the earth point  
nal + .  
Close the cap on the positive terminal.  
-
and then the positive termi-  
Windscreen washer  
system  
►
►
Close the bonnet ðpage 236.  
Filling the windscreen washer system  
Information on charging  
– Use only the terminals in the engine compart-  
ment to charge the battery.  
– Important: Before you charge the battery make  
sure you read the manufacturer's instructions  
for using the battery charger.  
WARNING  
– Never use unsuitable charging equipment or  
charging equipment which is visibly dam-  
aged and/or dirty. Always check the charg-  
ing equipment for damage before use.  
– Charging cables or jump leads for the nega-  
tive terminal must never be connected di-  
rectly to the 12-volt battery on your vehicle.  
Only use the earth point on the vehicle body  
in the engine compartment ðpage 247.  
– A highly explosive mixture of gases may be  
given off when the battery is under charge.  
Only charge the battery in a well ventilated  
area.  
Fig. 129 Engine compartment: Cap of windscreen washer  
container  
Please refer to the safety information  
ðpage 235, Safety information on the engine  
compartment.  
The container for the windscreen washer con-  
tains the cleaning fluid for the windscreen/rear  
window and the headlight washer system  
ðpage 237. For the container capacity, please  
refer to ðpage 288.  
Clean water should be used when topping up. If  
possible, use soft water to prevent scaling on the  
washer jets, or ideally, distilled water. Always  
add washer fluid to the water. In cold weather  
you should add anti-freeze to the water to pre-  
vent it from freezing.  
– When it is discharged the battery can freeze  
at temperatures around 0°C. You must not  
use a battery which has frozen, even after it  
has thawed, because the ice may have  
cracked the battery casing and allowed the  
electrolyte to escape – risk of explosion and  
chemical burns! Please seek advice from a  
qualified workshop.  
CAUTION  
– The anti-freeze concentration must be  
matched to the climate of the country in  
which you are driving. If the concentration is  
too high, damage to the car may result.  
– Never put in radiator anti-freeze or other  
additives.  
– Do not connect or disconnect the charging  
cables during the charging process – risk of  
explosion!  
– Leave the bonnet open while the 12-volt ve-  
hicle battery is charging. Closing the bonnet  
could cause an electrical short circuit – risk  
of fire!  
– Never use washer fluid which contains paint  
thinners or solvents as it can damage the  
paintwork.  
– If you notice that the insulation on the posi-  
tive terminal around the metal housing is  
248  
Checking and topping up fluids  
Resetting the display  
Driver messages about the windscreen  
washer system  
Your qualified workshop resets the service inter-  
val display after each service.  
The following driver messages may appear, de-  
pending on the equipment installed in your vehi-  
cle:  
WARNING  
If you neglect to have the vehicle serviced  
promptly at the specified intervals, or if the  
scope of the servicing work is insufficient, this  
can lead to a breakdown in road traffic result-  
ing in a potential accident with serious injury.  
Please add washer fluid  
With the vehicle switched off, top up the fluid for  
the windscreen washer and headlight washer sys-  
tem ðpage 248 and ð in Filling the wind-  
screen washer system on page 248.  
CAUTION  
Service interval display  
– Regular servicing of the vehicle not only  
sustains its service life and preserves its val-  
ue, but also helps to maintain operational  
and road safety. Service work should there-  
fore always be carried out according to the  
Audi guidelines.  
Using service interval display  
The service interval display detects when the next  
service is due for your vehicle.  
There are two service interval display levels:  
– Services must always be carried out prompt-  
ly, even if the mileage is low.  
– Inspection or oil change reminder: After a cer-  
tain mileage, a service reminder will appear in  
the instrument cluster display each time the ig-  
nition is switched on/off. The distance or time  
remaining will be shown briefly.  
– Audi is not responsible for damage to the  
vehicle resulting from insufficient servicing  
or a lack of availability of parts.  
– Inspection or oil change due: When your vehi-  
cle is due for an inspection, oil change or both,  
the corresponding reminder Inspection due!,  
Oil change due! or Oil change and inspection  
due! will appear briefly after you switch the ig-  
nition on/off.  
Checking the service intervals  
You can check the distance and time remaining  
until the next oil change and next service inspec-  
tion in the Car menu ðpage 25.  
Applies to: vehicles with flexible oil change service  
You cannot check the service interval on a new ve-  
hicle until it has been driven for about 500 km.  
Qualified workshops reset the service interval af-  
ter the oil is changed. Your own personal driving  
profile is used to calculate the remaining dis-  
tance. Frequent cold starts or short trips place  
extra demands on the engine oil with the result  
that the oil has to be changed more often.  
249  

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