2002-2010 Porsche Cayenne SUV Maintenance and Car Care User Manual
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Maintenance and Car Care for Your Porsche Cayenne SUV First Generation (2002-2010)

266 Maintenance and Car Care
Maintenance and Car Care
Notes on maintenance ................................ 267
Checking the engine oil level .......................268
Topping up engine oil ................................. 269
Checking the coolant level
and adding coolant .....................................271
Checking brake fluid level
and changing brake fluid ............................. 273
Adding washer fluid.................................... 274
Changing air cleaner ...................................275
Changing particle filter ................................275
Power steering ..........................................275
Wiper blades ..............................................276
Emission control system .............................279
Fuel can .....................................................279
Filling with fuel ............................................280
Car care instructions...................................282
268 Maintenance, Car Care
Checking the engine oil level
f Check the oil level regularly. It is best to do this
when refuelling and before extended journeys.
f Please observe the chapter “NOTES ON
MAINTENANCE” on Page 267.
If the oil level is too low, this is indicated by the
oil-warning light lighting up on the multi-purpose
display.
f Check the oil level using the oil dipstick as
soon as possible and add engine oil if neces-
sary.
f For information on warning messages on the
multi-purpose display: Please observe the
chapter “OVERVIEW OF WARNING MESSAGES”
on Page 151.
Note on operation
If the engine compartment lid is opened and oil is
not added, the warning message appears again
after approximately 100 km (62 miles).
Warning!
Risk of injury. The radiator fans can start
running as a function of temperature, even
with the engine switched off.
Risk of burning from hot parts in engine
compartment.
f Exercise extreme caution when working on the
engine compartment.
Preconditions for measuring the oil level
correctly
– Vehicle must be level.
– Engine must be switched off and at operating
temperature.
– Before the oil-level measurement, allow the
engine oil to flow back into the oil pan for
around 3 minutes.
Checking oil level with the oil dipstick
1. Pull out the oil dipstick and wipe it with a clean,
lint-free cloth.
2. Push oil dipstick fully home, withdraw again
and read off the oil level.
The oil level must never fall below or
exceed the MIN and MAX marks on the
dipstick.
The difference between the marks is approx.
1.5 litres.
3. Push oil dipstick in as far as the stop.
Cayenne S oil dipstick
MAX marking
f Do not top up engine oil.
MIN marking
f Top up engine oil immediately.
Oil-level warning
Maintenance, Car Care 269
Cayenne oil dipstick
MAX marking
f Do not top up engine oil.
A – Normal marking
f Engine oil can be topped up.
MIN marking
f Top up engine oil immediately.
Topping up engine oil
Porsche recommends .
Always observe the following points:
– Use only non-seasonal light-running oils in
accordance with the Porsch approval list
which are suitable for the respective tempera-
ture range (see “Oils for the correct tempera-
ture range”).
This is a precondition for optimum and
problem-free operation of your vehicle.
– Use of these Porsche-approved oils is also a
precondition for the 2 year/30,000 km
service intervals of the Cayenne.
Note for Cayenne (V6)
Using fuels in accordance with Euro standard
EN 228 and using an engine oil from the Porsche
approval list for Cayenne (V6) are requirements for
the 2 year/30,000 km service intervals.
– You will find a sticker in the engine compart-
ment which provides information (manufac-
turer) about the first filling of your engine.
– Generally you can find the manufacturer
suggestions on the oil containers or as a
bulletin on the market.
f Do not mix oil additives with your engine oil.
f Always use the same oil type if possible.
Do not mix oils.
f Regular oil changes are part of servicing.
Change the oil more frequently in dusty
regions.
Your Porsche partner will be pleased to advise
you.
1. Use with Porsche approval
2. SAE viscosity class - Example: SAE 0W - 30
Specification 0W = Viscosity specification for
low temperatures (winter).
Specification 30 = Viscosity specification for
high temperatures.
The right oil for every temperature range
Oil type Use
1)
Cayenne (V6): SAE
2)
0W - 30
and
0W - 40
For all temperature
ranges.
Cayenne S: SAE
2)
0W - 40,
5W - 40
and
5W - 50
Above –25 °C
SAE
2)
0W - 40 Below –25 °C
270 Maintenance, Car Care
Engine oil filling point on Cayenne S
Caution!
Fire hazard if engine oil comes into contact
with hot engine parts.
Risk of damage if engine oil comes into
contact with the drive belt.
f Exercise great care when adding engine oil.
Engine oil filling point on Cayenne
1. Unscrew cap of the oil filler opening.
2. Pour in oil carefully, in half-litre steps at most,
and measure the oil level again after each step
after waiting for a few minutes.
Never exceed the MAX mark on the oil
dipstick.
3. Push in the oil dipstick as far as the stop when
the correct oil level is reached.
4. Carefully close cap of the oil filler opening.
Maintenance, Car Care 271
Checking the coolant level and
adding coolant
The coolant provides year-round protection from
corrosion and freezing down to –35 °C.
(Nordic countries –40 °C).
Observe the following points:
f Use only antifreeze authorised by Porsche.
f Check the coolant level regularly.
When the engine is cold and the car is level, the
coolant level must be between the minimum and
maximum marks.
f For further important information on “service
topics”: Please observe the chapter “NOTES
ON MAINTENANCE” on Page 267.
The expansion tank for the coolant is located in
the engine compartment under the engine
compartment cover.
Checking when engine is cold
1. Remove cover.
2. Open cap of the expansion tank carefully and
allow any overpressure to escape.
Then unscrew cap completely.
3. Read the coolant level.
4. Top up with coolant if necessary.
Do not exceed the max. mark.
Only add a mixture of antifreeze and water in
equal parts.
Antifreeze share in coolant:
50 % provides antifreeze protection down to
–35 °C.
5. Screw the cap closed firmly and put on the
cover.
272 Maintenance, Car Care
Checking the coolant level when a warning
message is shown on the multi-purpose
display of the instrument panel
Warning!
Risk of scalding from hot coolant.
f Take great care when opening the cap of the
expansion tank when the engine is hot.
1. Remove cover.
2. If the engine is hot, cover the expansion tank
cap with a cloth.
Open cap carefully and allow any overpressure
to escape.
Then unscrew cap completely.
3. Read the coolant level.
Top up with coolant if necessary.
Only add a mixture of antifreeze and water in
equal parts.
Antifreeze share in coolant:
50 % provides antifreeze protection down to
–35 °C.
Do not exceed the max. mark.
Note on operation
f If the coolant level exceeds the max. mark
when the engine is hot, check the coolant level
again when the engine is cold.
4. Screw the cap closed firmly and put on the
cover.
5. Have the cooling system checked.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Maintenance notes
If pure water is added in an emergency, the mixing
ratio will have to be corrected.
Marked loss of coolant indicates leakage in the
cooling system.
f The cause must be eliminated without delay.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Radiator fans
The radiators and radiator fans are in the front of
the vehicle.
Warning!
Risk of injury. The fans can start running as
a function of temperature, even with the
engine switched off.
f Exercise extreme caution when working in the
area of the radiator fans.
Maintenance, Car Care 273
Checking brake fluid level and
changing brake fluid
f Only use genuine Porsche brake fluid or a
brake fluid of similar quality which has been
manufactured according to Porsche specifica-
tions and product requirements.
f For further important information on “service
topics”: Please observe the chapter “NOTES
ON MAINTENANCE” on Page 267.
Warning!
Brake fluid is toxic and attacks paintwork
and other surfaces.
f Store brake fluid out of reach of children.
f Immediately rinse off spilled brake fluid with
clean water.
f If brake fluid gets into your eye, immediately
rinse with clean water for a few minutes. Then
see a doctor immediately.
f Please note all the information on the refill
container of the brake fluid.
Checking the brake fluid level
The reservoir for the hydraulic braking system is
located in the engine compartment.
1. Rotate the turn-locks 90° counter-clockwise
(arrow) with a screwdriver and remove the lid.
2. Check the brake fluid level at the transparent
reservoir.
The fluid level should always be between the
MIN and MAX marks.
A slight decrease in the fluid level due to wear and
automatic readjustment of the disc brakes is
normal.
However, if the fluid level falls markedly or below
the minimum mark, the braking system may have
developed a leak.
f Have the braking system checked immedi-
ately. Consult a qualified specialist workshop.
We recommend that you use a Porsche
partner for this work since these are staffed
with trained personnel and have the necessary
parts and tools.
274 Maintenance, Car Care
Changing the brake fluid
Brake fluid absorbs moisture from the air over
time. The absorbed water can impair braking
efficiency.
f Therefore, have the brake fluid changed in
accordance with the change intervals stated in
the booklet “Guarantee and Maintenance”.
The warning light on the instrument panel and the
warning message on the multi-purpose display of
the instrument panel
– indicate that the brake fluid level is too low.
– could indicate a braking circuit failure if the
brake pedal travel is greater than normal.
Note on operation
If the warning lights should light up while driving:
f Stop immediately in a suitable place.
f Do not continue driving.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Adding washer fluid
A warning message is shown on the multi-
purpose display of the instrument panel if the
washer fluid level is too low.
In this case, the remaining quantity is only around
0.8 litre.
f Add washer fluid at the next opportunity.
The maximum capacity is approx. 7.5 litres.
Observe the following points:
f Depending on the season, mix the water with
the appropriate additives (window cleaner
concentrate, antifreeze) in the correct mixture
ratio.
Summer filling with water + window cleaner
concentrate in the mixture ratio specified on
the container.
Winter filling with water + antifreeze +
window cleaner concentrate in the mixture
ratio specified on the container.
Always follow all the instructions on the
containers of the additives used.
f Only use window cleaner concentrate which
meets the following requirements:
– Dilutability 1:100,
– Phosphate-free,
– Suitable for plastic headlights.
We recommend window cleaner concentrates
approved by Porsche. Your Porsche partner will
be pleased to advise you.
The washer fluid reservoir for windscreen, rear
window and headlights is located in the engine
compartment.
1. Open cap of washer fluid reservoir.
2. Add washer fluid.
3. Close cap carefully.
Warning light and warning
message
Maintenance, Car Care 275
Changing air cleaner
Regular replacement of the filter element is part of
servicing.
f In dusty conditions, clean the filter element
more frequently and replace if necessary.
For further important information on “service
topics”: Please observe the chapter “NOTES ON
MAINTENANCE” on Page 267.
Changing particle filter
Regular replacement of the filter is part of
servicing.
A dirty filter can be the cause of reduced air
throughput.
f Have the filter replaced.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Note on operation
The particle filter ensures that the fresh air
entering the passenger compartment is virtually
free of dust and pollen.
f If the outside air is polluted by exhaust fumes,
press the circulating-air button.
Power steering
Warning!
Risk of accident. When the engine is
stationary (e.g. when the car is on tow) or the
hydraulic system fails, there is no power
assisted steering.
Therefore, substantially more force will have
to be exerted in order to steer.
f Exercise great care when on tow.
f Have the fault remedied. Consult a qualified
specialist workshop. We recommend that you
use a Porsche partner for this work since
these are staffed with trained personnel and
have the necessary parts and tools.
The flow noise heard at full steering lock is design-
related and does not indicate a defect in the
steering system.
Checking and adding hydraulic fluid
Observe the following points:
f Only use genuine Porsche hydraulic fluid or a
hydraulic fluid of similar quality which has been
approved according to Porsche specifications
and product requirements.
f Check the fluid level with the engine stopped
and cold (engine temperature approx. 20 °C).
1. Remove cover A.
276 Maintenance, Car Care
2. Open the reservoir cap.
3. The fluid level should be between the MIN and
MAX marks on the dipstick.
4. Add hydraulic fluid if necessary.
5. Close cap carefully.
6. Put on cover A.
7. Close engine compartment lid.
Note on operation
f If the fluid level drops significantly, please have
the cause remedied immediately.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Wiper blades
Maintenance notes
Wiper blades that are in perfect condition are vital
for a clear view.
f Replace the wiper blades twice per year
(before and after the cold season) or if wiper
performance deteriorates or the blades are
damaged.
f For important information on “service topics”:
Please observe the chapter “CAR CARE
INSTRUCTIONS” on Page 282.
Caution!
Risk of damage if wiper arm accidentally
falls back onto the windscreen.
f Always hold the wiper arm securely when
replacing the wiper blade.
Risk of damage if wiper blades that are
frozen in place are loosened improperly.
f Thaw the wiper blades before loosening them.
Risk of damage.
If the wiper blades are not changed properly,
they can come loose when the car is moving.
f Check whether the wiper blades are seated
securely.
The wiper blade must be pushed onto the
wiper arm up to the stop.
Maintenance, Car Care 277
f Periodically clean the wiper blades with
window cleaner, especially after the vehicle
has been washed in a car wash.
We recommend the Porsche window cleaner. If
they are very dirty (e.g. with insect remains),
they can be cleaned with a sponge or cloth.
If the wiper blades rub or squeak, this may be as
a result of the following:
– If the vehicle is washed in an automatic car
wash, wax residues may adhere to the
windscreen. These wax residues can be
removed only by using window cleaner concen-
trate.
f Please observe the chapter “ADDING WASHER
FLUID” on Page 274.
Please contact your Porsche partner for further
information.
– The wiper blades may be damaged or worn.
f Replace damaged wiper blades as soon as
possible.
Replacing windscreen wiper blades
f Apply the parking brake.
f Switch the wipers off (wiper switch in
position 0).
f Switch ignition off.
1. Fold windscreen wiper arm away from the
windscreen (arrow 1).
2. Turn wiper blade at right angles (arrow 2) so
that the fixing groove of the wiper blade is
released by the retaining clip A.
3. Pull off wiper blade towards the windscreen
(arrow 3).
4. Push on new wiper blade.
Make sure that the wiper blade is pushed onto
the wiper arm up to the stop.
278 Maintenance, Car Care
5. Fold wiper blade back to its original position.
Make sure that the retaining clip A engages
fully in the fixing groove of the wiper blade.
6. Carefully fold wiper arm back onto the wind-
screen (arrow).
Changing rear window wiper blade
1. Apply the parking brake.
2. Switch ignition off.
3. Carefully fold the wiper arm away from the rear
window until it reaches its locking position
(approx. 60°).
4. Carefully unclip the wiper blade from the wiper
arm (arrow).
Hold the wiper arm with your other hand when
doing this.
5. Push the new wiper blade onto the centre of
the wiper arm and snap it into place.
6. Carefully fold wiper arm back onto the rear
window.
Maintenance, Car Care 279
Emission control system
To ensure the efficiency of the emission control
system (three-way catalytic converter, oxygen
sensor and electronic control unit),
– observe the service intervals,
– use only unleaded fuel.
Tip on driving
Faulty preparation of the fuel/air mixture can
cause the catalytic converters to overheat and
can destroy them.
Warning!
Risk of damage to emission control system.
f Avoid frequent and prolonged use of the
starter if the engine does not start.
f If misfiring occurs while driving (identifiable by
rough running of the engine or loss of power),
have the fault remedied immediately.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
f Avoid high cornering speeds after the fuel-level
warning light lights up.
f Never drive the tank dry.
For information on tow-starting or push-starting
the vehicle:
Please observe the chapter “TOWING AND TOW-
STARTING” on Page 356.
Risk of fire in the area of the exhaust system.
f Do not apply additional undersealing or rust
protection agent on or near the exhaust
manifolds, exhaust pipes, catalytic converters
or heat shields.
The protective material could overheat and
ignite while you are driving.
f Do not drive or park your vehicle where
combustible materials, such as dry grass or
leaves, can come into contact with the hot
exhaust system.
Fuel can
Danger!
Risk of fire or explosion if the fuel can is
damaged in an accident and fuel escapes.
Escaping vapours can be harmful to health.
f Do not carry a fuel can on journeys.
f Observe the relevant laws.
280 Maintenance, Car Care
Filling with fuel
When the ignition is on, the fuel level is displayed
on the instrument panel.
f For further information on this:
Please observe the chapter “FUEL GAUGE” on
Page 122.
Warning!
Fuel is highly flammable and harmful to
health.
f Fire, naked flame and smoking are prohibited
when handling fuel.
f Avoid contact with skin or clothing.
f Do not inhale fuel vapours.
To avoid permanent damage to the functionality of
the catalytic converters and oxygen sensors, use
only unleaded fuel.
The engine is designed to provide optimum
performance and fuel consumption if unleaded
premium fuel with 98 RON/88 MON is used.
If unleaded premium fuels with octane numbers of
at least 95 RON/85 MON are used, the engine’s
knock control automatically adapts the ignition
timing.
f Never drive the tank dry.
Note on operation
Information on the fuel quality is normally provided
on the petrol pump.
If this should not be the case, ask a petrol station
attendant.
If the recommended fuel is not available,
you can also use unleaded regular fuel
(91 RON/82.5 MON) in an emergency.
However, this could reduce performance and
increase fuel consumption.
f Avoid driving at full throttle.
In some countries the available fuel quality may
not meet requirements, and this can lead to
coking in the area of the intake valve.
In this case, the fuel may be mixed with the
additive sold and recommended by Porsche after
consulting a Porsche partner.
Porsche part number 000 043 206 89.
f Observe the instructions and mixture ratios
provided on the container.
1. Stop the engine and switch off the ignition.
2. Open the filler flap by
pressing on the rear part of the filler flap
(arrow). The vehicle must be unlocked.
Maintenance, Car Care 281
3. Slowly unscrew the tank cap.
Hang the tank cap on the filler flap by its plastic
strap A.
4. Add the fuel additive recommended by
Porsche if necessary.
5. Fully insert the pump nozzle in the filler neck.
The handle of the pump nozzle must point
downwards.
The maximum filling capacity is approx.
100 litres, including approx. 12 litres reserve
6. Operate the pump nozzle and refuel the
vehicle.
Note on operation
Do not add further fuel once the correctly
operated automatic pump nozzle has switched
off. Fuel could spray or could run over when
heated.
7. Replace the tank cap immediately after refuel-
ling and turn it until you hear it and feel it
engage.
8. Close the filler flap and press on the rear of the
filler flap (arrow) until it can be felt to engage.
Maintenance note
If you lose the tank filler cap, you must replace it
with an original part only.
Emergency unlocking of filler flap
If the electrical unlocking mechanism is faulty, the
filler flap can be opened as follows:
1. Remove lid of right side storage compartment.
2. Pull emergency release A in the direction of
the arrow.
The filler flap pops open.
282 Maintenance, Car Care
Car care instructions
Regular, skilled care helps to maintain the value of
your Porsche and can be a precondition for the
upholding of claims under the vehicle guarantee
and warranty.
You can obtain suitable care products at your
Porsche partner, individually or as a complete set.
f Follow the instructions for use on the
packaging of care products.
f Keep care products out of reach of children.
f If necessary, dispose of these fluids properly.
To ensure that the vehicle’s condition is expertly
checked and that the warranty remains valid for
the full period, every Porsche partner will inspect
the level of care of the car and record the results
in writing. For this purpose, the Porsche partner
will issue a Condition Report and also certify this
in the “Guarantee and Maintenance” booklet under
“Long-life Guarantee Condition Report”.
High-pressure cleaning units
Warning!
High-pressure cleaning units can damage
the following components:
– Tyres,
– Logos, emblems,
– Painted surfaces,
– Widened wings,
– Lock and latch of the removable towing attach-
ment,
– Seals of the electrically retractable ball hitch,
– Generator, valve covers,
– ParkAssist sensors.
f Please observe the operating instructions from
the unit manufacturer.
f Always cover the lid of the brake fluid reservoir
prior to cleaning. Never point the cleaning jet
directly at the lid.
f When cleaning with a flat-jet nozzle or a so-
called “dirt blaster”, maintain a minimum
distance of 50 cm (20 inches).
f Never use high-pressure cleaning units with a
round-jet nozzle.
A high-pressure cleaning unit with round nozzle
will damage your vehicle. The tyres are partic-
ularly susceptible to damage.
f Do not point the cleaning jet directly at any of
the aforementioned components.
Care of door lock
f To prevent the door lock from freezing during
the cold season, cover the lock barrel with a
suitable adhesive tape during washing.
If the lock freezes nevertheless, use an ordinary
de-icer.
In many cases, a well warmed key can help.
Never use excessive force.
Maintenance, Car Care 283
Washing
The best protection for the vehicle from the
damaging effects of the environment is frequent
washing and preservation.
The longer road salt, road dust, industrial dust,
insect remains, bird excrement, and tree exuda-
tions (e.g. resin, pollen), etc. are allowed to
remain on the bodywork, the more serious is their
harmful effect.
Pay attention to the following points in order to
ensure that the vehicle is washed thoroughly
without damaging the paintwork:
f The underside of the vehicle should also be
thoroughly washed at the end of the gritting
season at the latest.
f Wash your vehicle only at sites provided for
this purpose to prevent soot, grease, oil and
heavy metals from entering the environment.
f Dark colours are slightly more susceptible to
scratching and require particularly careful
paint care.
Dark paints make even the smallest surface
blemishes (scratches) more conspicuous than
lighter colours.
f Do not wash your Porsche in direct sunlight or
when its body is hot.
f When washing by hand, use a car shampoo,
plenty of water, and a soft sponge or washing
brush.
We recommend Porsche car shampoo.
f Begin washing the vehicle by thoroughly
wetting the paintwork and rinsing the heavy
dirt off.
f After washing the vehicle, rinse it thoroughly
with water and leather it dry.
Do not use the same leather to rub down as
you use for cleaning the windscreen and
windows.
Warning!
Risk of accident! Reduced or uneven braking
action may be caused by wet brakes.
f After washing the vehicle, test the brakes and
briefly brake the discs dry.
When doing so, make sure that following traffic
is not affected.
Cleaning in car washes
Optional add-on parts or parts which project
beyond the contours of the vehicle may be
damaged by design features of car washes.
The following parts are particularly susceptible to
damage:
– Windscreen wipers and rear wiper (always
switch them off – wiper switch in position 0 –
to prevent them wiping unintentionally in inter-
mittent or sensor operation)
– Door mirrors (always fold in)
– Roof Transport System (always remove
completely)
– Spoiler
– Wheels (the wider the rim and the lower the
tyre height, the greater the risk of damage)
f Please consult the operator before using
automatic car washes.
f Wash and leather by hand all points not
reached by a car wash, such as door and lid
seams or door sills.
284 Maintenance, Car Care
Paint care
In order to protect the paint of your vehicle in the
best possible way against mechanical and
chemical damage, you should
– preserve it regularly,
– polish it if necessary,
– remove spots and stains, and
– repair paint damage as soon as possible.
General information
f Never rub a dusty vehicle with a dry cloth,
because the grains of dirt will damage the
paintwork.
f Do not treat matt-painted components with
preservatives or polishes, otherwise the matt
effect will be lost.
Preservation
The paint surface becomes dull over time due to
weathering.
f Preserve paint regularly.
f Apply paint preservative after washing the
vehicle and polish it smooth to preserve the
paintwork.
This keeps the paint shiny and elastic. Dirt is
prevented from adhering to the paint surface and
industrial dust is prevented from penetrating the
paint.
Polishing
Only when the original polish can no longer be
obtained using preservatives should paint polish
be used to clean the paint.
We recommend Porsche paint polish.
Removing spots and stains
f Remove tar spatters, traces of oil, insects etc.
as soon as possible with an insect remover, as
they discolour the paint if left to work on it over
time.
f Carefully wash the treated areas again.
Repairing minor paint damage
f Have minor paint damage (cracks, scratches
or stone damage) repaired immediately
before corrosion begins.
Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
If traces of corrosion have already formed, these
must be thoroughly removed. An anti-corrosion
primer is then applied at these locations, followed
by top coat paint.
Paint data can be found on the vehicle data bank.
f For information on the location of vehicle data
bank:
Please observe the chapter “DATA BANK” on
Page 361.
Cleaning the engine compartment
Caution!
Risk of damage, e.g. to the generator,
painted surfaces, and the valve covers.
f Never use high-pressure cleaners with a round-
jet nozzle.
f Always observe a minimum distance of 50 cm
(20 inches).
f Always cover the lid of the brake fluid reservoir
prior to cleaning with a high-pressure cleaner.
Never point the cleaning jet directly at the lid.
f Do not point the cleaning jet directly at any of
the aforementioned components.
Note on operation
If the vehicle is driven off-road frequently and after
driving on salted or gritted roads:
f Clean the engine compartment regularly.
Maintenance, Car Care 285
Cleaning windows
f Clean all windows regularly, inside and out,
with window cleaner.
We recommend the Porsche window cleaner.
f Make sure not to damage the TV antennas in
the side windows when cleaning.
f Do not use the same leather for painted
surfaces and for drying the windows.
Preservative residues could reduce transpar-
ency.
f Remove insect residues with insect remover.
Note
The front side windows feature a water-repellent
(hydrophobic) coating which prevents soiling of
the windows.
This coating is subject to natural wear and can be
renewed.
f Consult a qualified specialist workshop. We
recommend that you use a Porsche partner for
this work since these are staffed with trained
personnel and have the necessary parts and
tools.
Care of windscreen wiper blades
Wiper blades that are in perfect condition are vital
for a clear view.
f Replace the wiper blades twice per year
(before and after the cold season) or if wiper
performance deteriorates or the blades are
damaged.
f For information on changing wiper blades:
Please observe the chapter “WIPER BLADES”
on Page 276.
f Periodically clean the wiper blades with
window cleaner, especially after the vehicle
has been washed in a car wash.
We recommend the Porsche window cleaner.
In the event of heavy soiling (e.g. insect
residue), the blades can be cleaned with a
sponge or a cloth.
If the wiper blades rub or squeak, this may have
the following causes:
– If the vehicle is washed in an automatic car
wash, wax residues may adhere to the
windscreen. These wax residues can be
removed only by using window cleaner concen-
trate.
f Please observe the chapter “ADDING WASHER
FLUID” on Page 274.
Please contact your Porsche partner for further
information.
– The wiper blades may be damaged or worn.
f Replace damaged wiper blades as soon as
possible.
Repairing the underbody protection
The underside of the vehicle is lastingly protected
against chemical and mechanical effects.
Damage to the protective coating while driving
cannot be ruled out.
f For this reason, have the vehicle underside
checked and repaired at regular intervals by a
qualified specialist workshop.
Warning!
Risk of fire in the area of the exhaust system.
f Do not apply additional undersealing or rust
protection agent on or near the exhaust
manifolds, exhaust pipes, catalytic converters
or heat shields.
The protective material could overheat and
ignite while you are driving.
286 Maintenance, Car Care
Cleaning headlights, lights, interior and
exterior plastic parts, adhesive films
Observe the following points:
f Use only clean water and a little dishwashing
detergent or interior window cleaner to clean
headlights, lights, plastic parts and surfaces.
Use a soft sponge or a soft, lint-free cloth.
Note
An interior window cleaner can also be used to
clean plastic surfaces (observe cleaning instruc-
tions on the container!).
We recommend the Porsche interior window
cleaner.
f Gently wipe the surface without applying too
much pressure.
f Do not clean when dry.
f Never use other chemical cleaners or
solvents.
f Rinse cleaned surfaces with clear water.
Light alloy wheels
Metal particles (such as brass or copper in brake
dust) must not remain too long on a light alloy
wheel.
Contact corrosion can cause pitting.
Note
Cleaners with an oxide-removing effect or wrong
pH value, as are commonly used for other metals,
as well as mechanical tools and products, will
damage the oxide layer and are therefore unsuit-
able.
f Use only cleaners for light alloy wheels
(pH value 9.5). Products with the wrong
pH value can destroy the protective layer
on the wheels.
We recommend Porsche cleaner for light alloy
rims.
f If possible, wash the wheels every two weeks
with a sponge or washing brush. Where there
is road salt, grit or industrial dust, weekly
cleaning is necessary.
f Every three months, after cleaning, grease the
wheels with car wax or an acid-free grease
(e.g. Vaseline).
Rub the grease in well with a soft cloth.
f For information on cleaning the light alloy
wheels in car washes:
Please observe the chapter “CLEANING IN CAR
WASHES” on Page 283.
Warning!
Danger of accident if cleaning agents
(e.g. wheel cleaning agents) come into
contact with the brake discs. The resulting
film on the brake discs can impair braking
performance.
f Make sure that no cleaning agent comes into
contact with the brake discs.
f If cleaning agent has come into contact with
the brake discs, thoroughly clean the brake
discs with a strong jet of water.
f Paying attention to any road users behind you,
dry the brake discs by applying the brakes.
Stainless steel exhaust tailpipes
Stainless steel exhaust tailpipes can discolour due
to soiling, strong heat, and combustion residues.
The original polish can be achieved again using
commercially available metal polishing paste or
metal polish.
Maintenance, Car Care 287
Cleaning door, roof, lid and window seals
Caution!
The lubricant coating on the inner door seals
may be damaged by unsuitable cleaning and
care agents.
f Do not use any chemical cleaning agents or
solvents.
f Do not use any care agents.
f Wash dirt (e.g. abrasion, dust, road salts) from
all seals regularly using warm soapy water.
f When there is a frost hazard, protect the outer
door seals and the lid seals against freezing
into place with a suitable care product.
Leather care
The natural surface markings of leather,
e.g. creases, healed scars, insect sting marks,
structural differences and slight variations in
shade and grain add to the attractiveness of the
high-quality natural leather product.
Observe the following care instructions:
Caution!
The leather will be damaged by the use of
unsuitable cleaning and care agents and by
inappropriate treatment.
f Do not use caustic cleaners or hard cleaning
objects!
f Perforated leather must under no circum-
stances get wet on its reverse side.
f All types of leather should be cleaned regularly
to remove fine dust using a soft, damp, white
woollen cloth or a commercially available
microfibre cloth.
f Remove heavy contamination with a leather
cleaner.
Please always follow the instructions for use
given on the containers.
We recommend the Porsche leather care
product.
f Treat cleaned leather only with a leather care
liquid.
We recommend the Porsche leather care
product.
Cleaning carpet, floor mats
f Use a vacuum cleaner or a brush (not too soft)
for cleaning.
f Remove heavy dirt and stains with a stain
remover.
We recommend Porsche stain remover.
To protect carpets, the Porsche range of accesso-
ries includes mats of the correct size with the
appropriate fastenings.
Warning!
Risk of accident.
f Do not obstruct the pedal travel with floor
mats.
Secure floor mats properly – do not place
them loosely on the floor.
288 Maintenance, Car Care
Cleaning airbag covers
Danger!
There is a danger of severe or fatal injuries if
operation of the airbag system is impaired by
improper cleaning work.
f Do not make any modifications whatsoever on
individual components such as the padded
covers of the steering wheel, the front seats,
the roof pillars and the roofliners.
f Let your Porsche partner clean these compo-
nents.
Cleaning fabric linings
f Fabric linings on pillars, roofliner and sun
blinds etc. must be treated only using suitable
cleaning agents or a suitable dry foam and a
soft brush.
Alcantara care
Do not use a leather care product to clean
Alcantara.
For regular care it is sufficient to clean the cover
with a soft brush.
Heavy abrasion or rubbing when cleaning causes
a lasting change in the surface.
Cleaning when lightly soiled
f Wet a soft cloth with water or a neutral soap
solution and wipe off the dirt.
Cleaning when heavily soiled
f Wet a soft cloth with lukewarm water or
thinned white spirit and dab the dirt from the
outside in.
Cleaning the seat belts
f Use mild detergent to clean soiled belts.
f When drying, avoid direct sunlight.
f Only use suitable cleaning agents.
f Do not dye or bleach the belts.
The belt fabric could be weakened, thus
affecting safety.
Laying up your Porsche
If you wish to keep your Porsche off the road for a
lengthy period, we recommend that you contact
your Porsche partner.
They will be glad to advise you about the neces-
sary measures, e.g. corrosion prevention, care,
maintenance and storage.
Further important information on “Laying up your
Porsche” can be found in other chapters.
f Please observe the chapter “BATTERY” on
Page 332.
f To lock the vehicle when the battery is discon-
nected:
f Please observe the chapter “NOT ALL VEHICLE
DOORS ARE LOCKED” on Page 28.

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