warning light PORSCHE CAYNNE 2010 1.G Repair Manual
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Page 234 of 379

234
Tr a i l e r H i t c h
Towing a trailer
Warning!
Driving with a trailer
fAlways see the permissible towing capacity,
vertical coupling load and rear-axle load.
Please see the chapter “WEIGHTS” on
Page 356.
fWhen connected, the trailer must always be
horizontal behind the towing vehicle. If neces-
sary, use a trailer with an adjustable drawbar.
fWhen the vehicle is driven in the mountains, the
engine output decreases as altitude increases.
The maximum weights stated are the values at
sea level. The total permissable weight of the
car-trailer combination must therefore be re-
duced by 10% for each increment of 3,280 ft.
(1,000 meters) altitude. A fractional increment
counts as the full 3,280 ft. (1,000 meters).
Please take this into consideration when plan-
ning your route.Distributing the load
fDistribute the load in the trailer so that heavy
objects are as close to the axle as possible.
Always safeguard all objects against slipping
and tie them down securely.
fYou should make the best possible use of the
trailer coupling's rated vertical coupling load
when loading the trailer, but never exceed it.
Tire pressure
fSelect the vehicle tire pressure for full load
when towing a trailer.
fPlease see the chapter “TIRE PRESSURES,
COLD (68 °F/20 °C)” on Page 354.
fCheck the tire pressure of the trailer's wheels
according to the manufacturer's instructions.Door mirrors
fIf the width of the trailer obstructs your view of
the traffic behind the trailer, you must have
additional door mirrors fitted.
Headlights, lights
fAlways check the headlight adjustment before
driving with a trailer.
If necessary, correct with the headlight beam
adjustment function.
fCheck whether the plug of the trailer is
plugged into the towing vehicle and whether all
lights function.
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Page 237 of 379

Parking
237
Parking AidsParkAssist provides a visual and acoustic indica-
tion to the driver of the distance between the
vehicle and a large obstacle.
ParkAssist is switched on automatically when the
ignition is switched on and remains active up to a
speed of approx. 9 mph (14 km/h).
ParkAssist is switched off automatically at high
speed. ParkAssist is switched on again auto-
matically when the speed drops below approx.
9 mph (14 km/h).
The selector lever position determines activation
levels for ParkAssist and the corresponding area
that is monitored.
Tiptronic selector lever position:–P – ParkAssist is not activated.
–R, N – ParkAssist is activated for the front and
rear areas.
–D, M – ParkAssist is activated for the front
area.Gearshift lever position:–R – ParkAssist is activated for the front and
rear areas.
–In all other gearshift positions – ParkAssist
is activated for the front area.
Note
On vehicles with manual transmission, the parking
assistant is not switched on in the rear area if the
vehicle rolls backward without reverse gear
engaged.
Warning!
Risk of serious personal injury or death.
ParkAssist cannot detect small objects such
as children and pets.
Even when using ParkAssist, the driver is still
responsible for taking due care when
parking and when assessing obstacles.
fMake sure that no persons especially small
children, animals or obstacles are within the maneuvering area.
Switching ParkAssist on and offfSwitch ParkAssist on and off using button A in
the roof console.
When ParkAssist is switched off, the indicator
light in the button lights up.
Note on operation
It is a good idea to switch off ParkAssist when
driving off-road and on unpaved surfaces.
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Page 239 of 379

Parking
239
A- Front display – left monitoring area
B- Front display – right monitoring areaWarning indicators, signal tones, distances
The warning indicator for the front area is located
on the dashboard.
The warning indicator for the rear area is located
in the rooflining at the rear of the loadspace.
The warning indicators for the various monitoring
areas (left and right) are subdivided respectively
into one green, 4 yellow and 2 red light segments
C- Rear display – right monitoring area
D- Rear display – left monitoring areaIf ParkAssist is activated, the green light seg-
ments of the active warning indicators are lit up
continuously.
If the vehicle approaches an obstacle that has
been detected by the sensors, one or more of the
yellow or red light segments lights up, depending
on the distance to the obstacle.If the first yellow light segment lights up, the
obstacle is still 48 in. (120 cm) (to the front) or
48 in. to 59 in. (120 to 150 cm) (to the rear)
away.
A brief signal tone sounds when reversing.
An intermittent tone sounds when the distance
becomes less than approx. 24 in. (60 cm). The
fourth yellow light segment lights up.
A continuous tone sounds when the distance be-
comes less than approx. 10 in. (25 cm) (on vehic-
les with trailer coupling: approx. 14 in. (35 cm)).
The second red light segment lights up.
If the obstacle is approached even closer, the
system may not be able to recognize the obstacle
any longer.
fSet the radio volume so that the signal tones
are not drowned out.
You can have the volume of the signal tones
adjusted to your own requirements at your
authorized Porsche dealer.
Note on operation
If the obstacle is approached even closer after the
continuous tone sounds and the second red light
segment lights up, the system may not be able to
recognize the obstacle any longer.
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Page 240 of 379

240
Parking Limits of ultrasonic measurement
– ParkAssist cannot detect sound-absorbing
obstacles (e.g. winter operation, powder
snow),
– Sound-reflecting obstacles (e.g. glass sur-
faces, flat painted surfaces),
– And very thin obstacles.
Other ultrasound sources (e.g. pneumatic brakes
of other vehicles, jackhammers) can interfere with
detection of obstacles.
Fault indication without warning tone
All red light segments of the active warning indica-
tors light up when there is a temporary fault in
ParkAssist.
Note
Correct operation is no longer ensured if there is
a temporary fault (e.g. caused by ice formation or
heavy soiling on the sensors).
The system detects the temporary fault.
All light segments light up until a speed of
9mph (14km/h) is reached.
ParkAssist is ready for operation again when the
interference has been eliminated.Fault indication with warning tone
In the event of a long-lasting fault in ParkAssist,
the red light segments of the active warning indi-
cators light up and a continuous tone sounds for
three seconds after a transmission range has
been selected.
Possible causes
– Defect or system fault.
fSwitch ParkAssist off.
When ParkAssist is switched off, the indicator
light in the button lights up.
Please see the chapter “SWITCHING
PARKASSIST ON AND OFF” on Page 237.
fPlease have the fault remedied at an
authorized Porsche dealer.Driving with a trailer
The ParkAssist rear monitoring area is switched
off when the trailer’s power supply is plugged in.
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Page 251 of 379

Maintenance and Car Care
251
Radiator fansThe radiator and radiator fans are in the front of
the car.
Warning!
Danger of injury. The fans can start running
as a function of temperature, even with the
engine switched off.
fExercise extreme caution when working in the area of the radiator fans.
Engine OilIt is important to perform oil changes regularly in
accordance with the intervals specified in your
Maintenance Schedule.Engine oil consumptionIt is normal for your engine to consume oil.
The rate of oil consumption depends on the quality
and viscosity of oil, the speed at which the engine
is operated, the climate, road conditions as well
as the amount of dilution and oxidation of the
lubricant.
If the vehicle is used for repeated short trips, and
consumes a normal amount of oil, the engine oil
measurement may not show any drop in the oil le-
vel at all, even after 600 miles (1000 km) or more.
This is because the oil is gradually becoming
diluted with fuel or moisture, making it appear that
the oil level has not changed.
The diluting ingredients evaporate out when the
vehicle is driven at high speeds, as on an express-
way, making it then appear that oil is excessively
consumed after driving at high speeds.
If the conditions you drive your vehicle in are
dusty, humid, or hot, the frequency of the oil
change intervals should be greater.If the vehicle is driven at a high rate of speed,
climatic conditions are warm, and the load is high,
the oil should be checked more frequently, as
driving conditions will determine the rate of oil
consumption.
– The engine in your vehicle depends on oil to lu-
bricate and cool all of its moving parts. There-
fore, the engine oil should be checked regular-
ly and kept at the required level.
– Make it a habit to have the engine oil level
checked with every refueling.
– The oil pressure warning light is not an oil level
indicator.
The oil pressure warning light indicates serious
engine damage may be occuring when lit, if
engine rpm is above idle speed.
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Page 252 of 379

252
Maintenance and Car Care
Checking Engine Oil LevelfCheck the oil level regularly. I t i s b e s t t o d o t h i s
when refueling and before extended journeys.
Further important information concerning “mainte-
nance” can be found in a separate chapter.
fPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 250.
fPlease see the chapter “OVERVIEW OF
WARNING MESSAGES” on Page 149.
Warning!
Engine oil is hazardous to your health and
may be fatal if swallowed.
fKeep engine oil out of children's reach.
Used engine oil contains chemicals that have
caused cancer in laboratory animals.
fAlways protect your skin by washing thoroughly with soap and water.
fIf you suspect an oil leak in the engine have
your authorized Porsche dealer check it out
immediately.If the oil level is too low, this is indicated by the oil-
level warning light lighting up on the multi-purpose
display.
fCheck the oil level using the oil dipstick as
soon as possible and add engine oil if neces-
sary.
Note on operation
fIf the engine compartment lid is opened and oil
is not added, the warning message appears
again after approximately 100 km.
Checking the oil level
Warning!
Danger 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 com-
partment.
fExercise extreme caution when working on the engine compartment.Conditions 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. Withdraw 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.
1.6 qt. (1.5 liters).
3. Push oil dipstick in as far as the stop.
Oil-level warning
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Page 257 of 379

Maintenance and Car Care
257
Brake-Fluid LevelfUse only new (unused) Original Porsche brake
fluid.
Further important information concerning “mainte-
nance” can be found in a separate chapter.
fPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 250.
Warning!
Brake fluid is hazardous to your health, and
may be fatal if swallowed.
Brake fluid also attacks paintwork.
fKeep brake fluid out of children's reach.
fImmediately rinse off spilled brake fluid with
clean water.
fIf brake fluid gets into your eye, immediately
rinse with clean water for a few minutes. Then
see a doctor immediately.
fPlease note all the information on the refill container of the brake fluid.
Checking the brake-fluid levelThe reservoir for the hydraulic braking system is
located in the engine compartment.
1. Rotate the turn-locks 90° anti-clockwise
(arrow) with a screwdriver and remove the
cover.
2. Check brake-fluid level at the transparent
reservoir.
The fluid level should always lie 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.
If, however, the fluid level falls markedly or below
the MIN mark, the braking system may have
developed a leak.
fPlease have the braking system checked
immediately at an authorized Porsche dealer.
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Page 258 of 379

258
Maintenance and Car Care
Changing the brake fluidBrake fluid absorbs moisture from the air over
time. This accumulation of water lowers the boi-
ling point and, under certain operating conditions,
can affect the braking performance.
fTherefore, have the brake fluid changed in
accordance with the change intervals stated in
the “Maintenance” booklet.
The warning light in the instrument panel and the
warning message on the multi-purpose display of
the instrument panel indicate
– indicate the brake level fluid is too low or,
– in conjunction with large pedal travel could
indicate a braking-circuit failure.
Note on operation
If the warning lights should light up while driving:
fStop immediately in a suitable place.
fDo not continue driving.
Please have the fault remedied at your nearest
authorized Porsche dealer.
Washer FluidWarning message on the multi-purpose
displayA message is shown on the multi-purpose display
of the instrument panel if the washer-fluid level is
too low.
In this case, the residual quantity is only around
0.85 quarts (0.8 liter).
fAdd washer fluid at the next opportunity.
The capacity is approx. 7.9 quarts (7.5 liters).
The washer-fluid reservoir for windshield, rear
window and headlights is located in the engine
compartment.fSummer 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.
fOnly 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 authorized Porsche
dealer will be pleased to advise you.
fDo not use engine coolant anti-freeze or any
other solution that can damage the car’s paint,
in the washer reservoir.
The washer fluid reservoir for windshield, 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.
Brake fluid warning light
USA
Brake fluid warning light
Canada
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Page 266 of 379

266
Maintenance and Car Care
Operating Your Porsche in other
CountriesGovernment regulations in the United States and
Canada require that automobiles meet specific
emission regulations and safety standards. There-
fore, cars built for the U.S. and Canada differ from
vehicles sold in other countries.
If you plan to take your Porsche outside the conti-
nental limits of the United States or Canada, there
is the possibility that
– unleaded fuel may not be available;
– unleaded fuel may have a considerably lower
octane rating. Excessive engine knock and
serious damage to both engine and catalytic
converters could result;
– service may be inadequate due to lack of
proper service facilities, tools or diagnostic
equipment;
– replacement parts may not be available or very
difficult to get.
Porsche cannot be responsible for the me-
chanical damage that could result because
of inadequate fuel, service or parts availabi-
lity.
If you purchased your Porsche abroad and want to
bring it back home, be sure to find out about ship-
ping and forwarding requirements, as well as
current import and customs regulations.
Fuel
Warning!
Fuel is highly flammable and harmful to
health.
fFire, open flame and smoking are prohibited
when handling fuel.
fAvoid contact with skin or clothing.
fDo not inhale fuel vapours.
To prevent damage to the emission control
system and engine:
fNever drive the tank completely out of fuel.
fAvoid high cornering speeds after the warning lights have come on.
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.The emission control system can be damaged in
various ways (e.g. fueling incorrectly, shortage of
fuel, tow-starting).
fPlease see the chapter “HOW EMISSION
CONTROL WORKS” on Page 264.
fPlease see the chapter “DISPLAYING STATUS
OF LEVEL CONTROL” on Page 131.
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Maintenance and Car Care
271
High-pressure cleaning equipment, steam
cleaners
Warning!
High-pressure cleaning equipment, steam
cleaners or similar can damage the following
components:
–Tires
– Logos, emblems
– Painted surfaces
– Widened fenders
– Lock and latch of the removable towing attach-
ment
– Seals of the electrically retractable ball hitch
– Alternator, valve covers
– ParkAssist sensors
fPlease see the operating instructions from the
unit manufacturer.
fAlways cover the lid over the brake fluid reser-
voir prior to cleaning. Never point the cleaning
jet directly at the lid.
fWhen cleaning with a flat-jet nozzle or the like,
maintain a minimum distance of 21 in.
(50 cm).fNever use high-pressure cleaning equipment,
steam cleaners, etc. with a round-jet nozzle.
High-pressure cleaning equipment with a round
nozzle will damage your vehicle. The tires are
particularly susceptible to damage.
fDo not point the cleaning jet directly at any of
the aforementioned components.
Decorative foils Caution!
Risk of damage due to separation of the de-
corative foils when using high-pressure clea-
ning equipment, steam cleaners or similar
cleaning equipment.
fDo not use high-pressure cleaning equipment, steam cleaners, etc. to clean decorative foils.
Door lockfTo prevent the door lock from freezing during
the cold season, cover the lock barrel with a
suitable adhesive tape during washing.
Should the locks freeze, use an ordinary de-icer.
In many cases, a well warmed key can help.
Never use excessive force.
WashingThe best protection for the car from the damaging
effects of the environment is frequent washing and
preservation. The underside of the car should also
be thoroughly washed for cinders, salt or sanding
at winter‘s end.
The longer salt, road dust, industrial dust, insect
remains, bird excrement, and tree exudations
(resin, pollen), etc. are allowed to remain on the
bodywork, the more serious is their harmful
effect.
New cars should be washed carefully with plenty
of clear water to protect the new paint work.
Dark paint finishes show up the smallest of sur-
face damage (e.g. scratches) more readily than
lighter colors.
Dark colors are also more susceptible to scrat-
ching because of the composition of their pig-
ments and require particularly careful paint care.
fDo not wash your car in bright sunlight or while
the bodywork is still hot.
fWhen washing by hand, use abundant water, a
soft sponge or wash brush and Porsche car
shampoo.
fBegin by spraying the body thoroughly with
water to rinse away loose dirt.
fAfter washing, rinse the car with plenty of
water and then dry with a chamois leather.
Do not use the same chamois leather for
drying as you use for cleaning the windshield
and windows.
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