2017-2024 Audi S5 4 Door Controls -> Auto-check control (check oil level) User Manual
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Controls -> Auto-check control (check oil level) for Your Audi S5 4 Door Fourth Generation (2017-2024)

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Driver information system  
29  
• Speed warning - to set the speed above which a warning signal  
Clearing speed limit  
will sound.  
– Drive the vehicle at a minimum of 5 km/h.  
Speed limit warning 2 can be adjusted in increments of 10 km/h  
between 30 and 240 km/h.  
SET  
– Press the  
button for at least 2 seconds.  
The speed warning symbol lights up briefly in the display to  
confirm that the selected speed has been stored. The speed limit  
that has been set remains stored until another speed is set with a  
brief push of the button, or until the memory is cleared with a long  
push of the button.  
Auto-check control  
Introduction  
When the speed limit has been cleared, the display will show a  
crossed-out warning symbol .  
The auto-check control checks important components and vehicle  
systems. These background checks are run constantly, as long as  
the ignition is switched on.  
Applies to vehicles: with speed warning function  
A message is displayed in the instrument cluster if a fault should  
occur or if any maintenance or repairs are urgently required. This is  
accompanied by an audible warning signal. Depending on the  
priority of the fault, a red or yellow warning symbol lights up in the  
display.  
Setting speed limit warning 2  
You can use the MMI* or sound system control console to  
set, alter or cancel speed limit warning 2.  
The red symbols indicate a serious malfunction, whereas the yellow  
ones represent other malfunctions or items requiring attention.  
Additional messages to assist the driver may be shown with the red  
or yellow symbols.  
Automatic gearbox* function test  
The auto-check control automatically checks the vehicle systems  
when the ignition is switched on. If the selector lever is in position  
P or N, the following instruction will appear:  
Fig. 23 MMI display:  
Setting speed limit  
warning 2  
When stationary apply footbrake while selecting gear  
When a gear (R, D etc.) is selected, this message disappears and the  
auto-check control function is displayed.  
CAR  
– Select: Function selector button  
cluster > Speed warning.  
> Instrument  
The driver message will disappear 30 seconds after switching on  
the ignition or earlier, if there are other driver messages or malfunc-  
tions.  
• Speed warning on/off - to activate or deactivate the speed  
warning function ⇒ fig. 23.  
Controls  
Safety  
Driving tips  
General maintenance  
Self-help  
Technical data  
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30  
Driver information system  
If one or more faults are detected, the driver information message  
(as above) will disappear about 15 seconds after the engine has  
been started and the appropriate fault symbol(s) will appear in the  
display. The warning display will be accompanied by the corre-  
sponding warning chime.  
For example, in the event of an oil pressure malfunction the oil pres-  
sure symbol will appear in the display. In addition, the following  
message will appear:  
Switch off engine and check oil level  
The message will disappear from the display after about 5 seconds.  
If required, the message can be called up again by briefly pressing  
Driver messages  
SET  
the  
button ⇒ fig. 24.  
Additional messages to assist the driver are displayed  
together with the warning symbols in the instrument  
cluster.  
Driver messages and yellow symbols  
If a yellow warning symbol appears in the display, it will automati-  
cally be accompanied by the corresponding driver message.  
For example, if the symbol appears (windscreen washer fluid  
low), the display will also show the message:  
Please top up washer fluid  
The message will disappear after a few seconds. If required, the  
SET  
message can be called up again by briefly pressing the  
button.  
Fig. 24 Instrument  
cluster: SET button  
Red symbols  
A red symbol warns of a serious malfunction.  
For example, the following driver message will appear if the selector  
lever for the automatic gearbox* is not in position P when you  
switch off the engine:  
Shift to P, otherwise vehicle can roll away. Doors do not lock if  
lever is not in P  
The ignition key can only be withdrawn when the selector lever is in  
this position. Similar messages will be displayed if other functions  
of this kind cannot be carried out.  
Fig. 25 Display:  
Symbol for serious  
malfunction  
Driver messages and red symbols  
If a red warning symbol appears in the display, it will automatically  
be accompanied by the corresponding driver message.  
– Stop the vehicle.  
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Driver information system  
31  
5 seconds, but you can call it up again at any time by pressing the  
– Switch off the engine.  
SET  
button.  
– Check the function displayed. Obtain professional assist-  
ance if necessary.  
You should normally be able to drive to the next available qualified  
workshop. However, you should avoid using electrical equipment  
that is not absolutely necessary because this will drain the battery.  
The red symbols indicate a Priority 1 fault (serious malfunction).  
Should a Priority 1 fault occur, a red warning symbol will appear at  
the top of the display ⇒ page 30, fig. 25. The symbol is accompa-  
nied by a driver message giving you more information about the  
fault. This symbol is accompanied by three warning chimes. The  
symbol will keep flashing until the fault is corrected.  
Caution  
If the coolant warning lamp in the instrument display lights up  
as well as the alternator warning lamp while driving ⇒ page 32, stop  
the vehicle immediately and switch off the engine. In this case the  
coolant pump is no longer being driven, and there is a risk of engine  
damage.  
If several Priority 1 faults are detected at the same time, the symbols  
are displayed one after the other for about 2 seconds at a time.  
This message will disappear after about 5 seconds, but you can call  
SET  
it up again at any time by pressing the  
button ⇒ page 30.  
Fault in the brake system  
A fault in the brake system should be corrected as soon as  
possible.  
Alternator fault  
⇒ page 31  
Fault in brake system/ parking  
brake  
⇒ page 31  
⇒ page 32  
If the symbol flashes in the display, there is a fault in the  
brake system. The symbol is accompanied by a driver  
message giving you more information about the fault. This  
message will disappear after about 5 seconds, but you can  
Coolant level too low / coolant  
temperature too high  
Engine oil pressure too low  
Fault in the steering system  
Ignition lock defective  
⇒ page 33  
⇒ page 33  
⇒ page 34  
SET  
call it up again at any time by pressing the button:  
Stop vehicle and check brake fluid level  
– Stop the vehicle.  
– Check the brake fluid level ⇒ page 227.  
– Obtain professional assistance if necessary.  
Alternator fault   
Warning! Fault in ABS brake system. Contact  
workshop  
If the symbol flashes in the instrument cluster display, there is an  
alternator fault or a fault in the vehicle's electrical system. In addi-  
tion, a message will appear. This message will disappear after about  
– Drive carefully to the nearest qualified workshop and  
have the fault rectified ⇒  
.
Controls  
Safety  
Driving tips  
General maintenance  
Self-help  
Technical data  
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32  
Driver information system  
Parking brake ! Please contact workshop  
Note  
– If the symbol appears after you switch on the ignition  
when the vehicle is stationary, please check whether you  
can release the parking brake. If this is possible, you  
should drive without delay to the nearest qualified work-  
shop and have the fault rectified. If the parking brake  
cannot be released you should obtain professional  
assistance.  
The warning lamp in the instrument cluster will start flashing as  
well if there is a fault in the brake system.  
Fault in the cooling system  
Faults in the cooling system must be rectified immedi-  
ately.  
– If this symbol should appear while driving, there may be  
a malfunction in the drive-away assist or the emergency  
brake functions. You may not be able to apply the parking  
brake. It is also possible that you cannot release the  
parking brake after it has been applied. Drive the vehicle  
to a qualified workshop and have the fault repaired.  
If the symbol flashes in the display, this means that  
either the coolant temperature is too high or the coolant  
level is too low. The symbol is accompanied by a driver  
message giving you more information about the fault. This  
message will disappear after about 5 seconds, but you can  
SET  
call it up again at any time by pressing the  
Switch off engine, check coolant level  
– Stop the vehicle.  
button:  
If the ABS fails, the ABS warning lamp will light up together with  
the brake warning symbol ⇒  
.
– Switch off the engine.  
WARNING  
• Before opening the bonnet and checking the brake fluid level,  
observe the warning information on ⇒ page 221, “Working on  
components in the engine compartment”.  
– Check the coolant level ⇒ page 225.  
– Add more coolant if necessary ⇒ page 226.  
• If the brake fluid level in the reservoir is too low, this could  
result in an accident. Do not drive on. You should obtain profes-  
sional assistance.  
– Wait for the symbol to go out before driving on.  
– Obtain professional assistance if necessary.  
• If the brake warning lamp lights up together with the ABS  
warning lamp, this can mean that the control function of the ABS  
is out of action. As a result the rear wheels can lock relatively  
easily when braking. This could cause the tail of the vehicle to skid  
sideways. Drive carefully to the nearest qualified workshop and  
have the fault rectified.  
If the coolant level is correct, the overheating may be caused by a  
malfunction of the radiator fan.  
If the alternator warning lamp lights up as well ⇒ page 31, it is  
possible that the drive belt has broken.  
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Driver information system  
33  
– Switch off the engine.  
WARNING  
– Check the engine oil level ⇒ page 223.  
• If your vehicle should break down for technical reasons, stop it  
at a safe distance away from moving traffic, switch off the engine  
and turn on the hazard warning lights ⇒ page 58, “Hazard  
warning lights ”.  
– Obtain professional assistance if necessary.  
If the engine oil level is too low  
If the engine oil level is too low, add more oil ⇒ page 224.  
• Never open the bonnet if you can see or hear steam or coolant  
escaping from the engine compartment; there is a risk of being  
scalded. Wait until you can no longer see or hear escaping steam  
or coolant.  
If the engine oil level is correct  
If the symbol flashes and the engine oil level is correct, obtain  
professional assistance. Do not drive on. Do not continue to run the  
engine, not even at idle speed.  
• The engine compartment of any motor vehicle is a dangerous  
place. Before carrying out any work in the engine compartment,  
switch off the engine and allow it to cool down. Please observe the  
important safety warnings ⇒ page 221, “Working on components  
in the engine compartment”.  
Note  
The oil pressure warning lamp is not an indicator for the oil  
level. The oil level should therefore be checked regularly.  
Caution  
Do not drive on if the symbol has come on to indicate a fault in  
the cooling system, otherwise there is a risk of damaging the  
engine.  
Fault in the steering system  
The steering wheel cannot be unlocked if there is a fault  
in the electronic steering lock.  
Engine oil pressure too low   
If the symbol flashes in the display, there is a malfunc-  
tion in the electronic steering lock. The symbol is accompa-  
nied by a driver message giving you more information  
about the fault. This message will disappear after about  
5 seconds, but you can call it up again at any time by  
If the engine oil pressure is too low the fault must be recti-  
fied immediately.  
If the symbol flashes in the display, the oil pressure is  
too low. The symbol is accompanied by a driver message  
giving you more information about the fault. This message  
will disappear after about 5 seconds, but you can call it up  
SET  
pressing the  
button:  
Do not drive vehicle. Steering defective  
– You should obtain professional assistance.  
– Do not have the vehicle towed away.  
SET  
again at any time by pressing the  
button:  
Switch off engine and check oil level  
– Stop the vehicle.  
Controls  
Safety  
Driving tips  
General maintenance  
Self-help  
Technical data  
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34  
Driver information system  
WARNING  
Note  
On some models the symbol may look slightly different.  
The vehicle must not be towed if there is a fault in the electronic  
steering lock: the steering will be locked and the vehicle cannot be  
steered. Towing a vehicle with locked steering can cause an acci-  
dent.  
Yellow symbols  
A yellow symbol indicates a malfunction or other item  
requiring attention.  
Note  
On some models the symbol may look slightly different.  
Ignition lock defective   
A fault in the ignition lock must be rectified immediately.  
If the symbol flashes in the display, there is a malfunc-  
tion in the electronic ignition lock. The symbol is accompa-  
nied by a driver message giving you more information  
about the fault. This message will disappear after about  
5 seconds, but you can call it up again at any time by  
Fig. 26 Display: Yellow  
warning symbol  
Yellow symbols indicate a Priority 2 fault.  
SET  
pressing the  
button:  
Yellow symbols are accompanied by one warning chime. The  
symbol is accompanied by a driver message giving you more infor-  
mation about the fault. This message will disappear after about  
5 seconds, but you can call it up again at any time by pressing the  
Ignition lock defective. Contact workshop!  
– Do not switch off the engine.  
– Drive the vehicle without delay to a qualified workshop  
and have the fault repaired.  
SET  
button.  
The function indicated should be checked as soon as possible. The  
yellow symbol will only go out when the fault has been rectified.  
The ignition cannot be switched off if there is a fault in the elec-  
tronic ignition lock. For this reason, you should drive the vehicle  
without delay to a qualified workshop and have the cause of the  
fault repaired.  
If several Priority 2 faults are detected at the same time, the symbols  
are displayed one after the other for about 2 seconds at a time.  
If the vehicle is equipped with the advanced key* feature, you  
should not switch off the engine with the Stop/Start button because  
it cannot be started again after the ignition has been switched off.  
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Driver information system  
35  
Brake pads worn  
Battery power*  
⇒ page 36  
Note  
On some models the speed limit warning 1 and speed limit  
warning 2 will also be displayed as yellow symbols. These always  
appear as a small symbol at the top of the display ⇒ page 28.  
⇒ page 36  
⇒ page 36  
Bulb monitor*  
Bulb failure*  
Applies to vehicles: with advanced key  
Check engine oil level  
Engine oil sensor defective  
Fuel level low  
⇒ page 37  
⇒ page 37  
⇒ page 36  
⇒ page 36  
⇒ page 35  
Key not in vehicle   
Key not in vehicle  
This message will appear together with the symbol if the remote  
control key is removed from the vehicle while the engine is running.  
This is to remind you not to continue driving without the key (for  
example if you change drivers).  
Washer fluid level low*  
If the remote control key is not in the vehicle you will not be able to  
switch on the ignition or restart the engine after it has been  
switched off. You will also not be able to lock the vehicle from the  
outside.  
advanced key*  
Key not in vehicle  
Light sensor/ rain sensor defec- ⇒ page 35  
tive  
Dynamic headlight range con- ⇒ page 37  
trol* defective  
Light sensor/ rain sensor defective   
Battery in remote control key  
⇒ page 39  
Automatic headlights/ automatic wipers defective  
If the symbol appears, this means that the light sensor/ rain  
sensor is not functioning. For safety reasons, the dipped beam  
headlights will then be switched on permanently when the light  
switch is set to the AUTO position. However, you can still switch the  
lights on and off in the normal way with the light switch. If the rain  
sensor is defective, the functions operated via the windscreen wiper  
lever will still be available. You should have the light sensor/ rain  
sensor checked by a qualified workshop as soon as possible.  
Electro-mechanical  
parking brake  
⇒ page 121  
adaptive light* defective  
⇒ page 37  
⇒ page 37  
⇒ page 37  
Ignition lock defective  
Windscreen wiper defective  
Controls  
Safety  
Driving tips  
General maintenance  
Self-help  
Technical data  
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36  
Driver information system  
Applies to vehicles: with washer fluid warning system  
Brake pads worn   
Brake pads!  
Washer fluid level low   
Please top up washer fluid  
If the symbol lights up, have the front brake pads (and, for  
safety's sake the rear pads as well) inspected by a qualified  
workshop.  
If the symbol lights up, top up the fluid for the windscreen  
washer and headlight washer system* ⇒ page 231.  
Applies to vehicles: with bulb monitor  
Fuel level low   
Bulb monitor   
Please refuel  
The bulb monitor checks whether the lights on the vehicle  
are working.  
When this symbol comes on for the first time, there are about  
8 litres of fuel left in the tank. You should fill up as soon as possible  
⇒ page 217.  
The bulb monitor checks whether the lights on the vehicle are  
working. If it detects a defective bulb on the vehicle it will show a  
yellow warning symbol together with a message indicating which  
light is not working.  
If this warning symbol lights up although the fuel tank is sufficiently  
filled, there is a malfunction in the fuel tank system. The display will  
also show the driver message Tank system malfunction ! Contact  
workshop. Please contact a qualified workshop.  
Bulb failure   
If the symbol lights up, this means that one of the turn signals  
(front or rear), headlights, brake lights, rear lights, fog lights or the  
rear fog light is not working.  
Applies to vehicles: with battery power warning system  
Battery power   
If battery power drops to a level at which you may encounter prob-  
lems when starting the engine, the display will show the symbol   
and the driver message Low battery charge: Battery will be charged  
while driving.  
WARNING  
• Bulbs are sensitive to pressure. The glass can break when you  
touch the bulb, causing injury.  
• Incorrect handling of the high-voltage element of xenon gas-  
Please bear in mind that the starting ability of the engine may be  
impaired while this message is shown.  
discharge bulbs* can have potentially fatal consequences.  
Message comes on and goes out again  
Note  
If the message appears in the display after the ignition is switched  
on or while driving, and goes out again after a period of time, the  
battery has been charged up again sufficiently while the vehicle was  
being driven.  
Have the components repaired or replaced by a qualified  
workshop.  
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Driver information system  
37  
Applies to vehicles: with adaptive light  
Message comes on and does not go out  
adaptive light defective   
If the message appears in the display after the ignition is switched  
on or while driving, and does not go out again, the battery is not  
being maintained at the proper power level. Starting reliability may  
be impaired. You should have the battery checked by a qualified  
workshop as soon as possible.  
adaptive light defective  
This symbol indicates that the adaptive light is defective. Take  
the vehicle to a qualified workshop to have the headlights and/or  
the control unit for the adaptive light repaired.  
Check engine oil level   
Ignition lock defective   
Please check oil level  
If the symbol lights up, check the engine oil level as soon as  
possible ⇒ page 223. Top up the oil at the next opportunity  
⇒ page 224.  
Ignition lock defective  
If the symbol lights up in the display, there is a malfunction in  
the electronic ignition lock. Take the vehicle to a qualified workshop  
to have the problem remedied.  
Engine oil sensor defective   
Windscreen wipers defective   
Oil level ! Sensor defective  
If the symbol lights up, take the vehicle to a qualified workshop  
and have the oil level sensor checked. Until then it is advisable to  
check the oil level every time you fill up with fuel ⇒ page 223.  
Windscreen wipers defective  
This symbol indicates a malfunction in the electronics for the  
windscreen wipers. Take the vehicle to a qualified workshop to have  
the windscreen wiper system repaired.  
Applies to vehicles: with dynamic headlight range control  
Headlight range control defective   
Headlight range control defective  
This symbol indicates a malfunction in the dynamic headlight  
range control. Take the vehicle to a qualified workshop to have the  
dynamic headlight range control function repaired.  
Controls  
Safety  
Driving tips  
General maintenance  
Self-help  
Technical data  

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