2010 PORSCHE CAYENNE check engine

Driving and Driving Safety
199
ObstaclesfPay attention to the ground clearance of the
car.
Please see the chapter “GROUND
CLEARANCE” on Page 357.
Note on operation
fActivatethe Low Range program and engage
differential locks if necessary.
Tips on driving
fJust before reaching the obstacle, ease off the
accelerator slightly and use the car's momen-
tum to cross the obstacle. This will prevent the
car from jumping over the obstacle and landing
on the following downward slope at an exces-
sive speed.
fAvoid high engine speeds (max. 2,500 rpm).
Water crossingfPay attention to the ground clearance of the
car.
Please see the chapter “GROUND
CLEARANCE” on Page 357.
Danger!
Danger of drowning if water enters the
vehicle. Risk of damage to the engine and
accessories if water penetrates.
fBefore driving through water, check the water
depth A, water speed and the condition of the
surface beneath it.
Cayenne, Cayenne S, Cayenne S
Tr a n s s y b e r i a :
The water must not be deeper than 19.7 in.
(50 cm).
The water must not be deeper than 21.9 in.
(55.5 cm) for vehicles with level control and
height adjustment.
Cayenne GTS:
The water must not be deeper than 18.7 in.
(47.6 cm).
The water must not be deeper than 21.1 in.
(53.5 cm) for vehicles with level control and
height adjustment.
fCheck the door sills and rubber seals before
starting to drive.
fDo not drive through deep or rapidly flowing
water.
Deep or rapidly flowing water, e.g. mountain
streams, can cause the car to deviate from the
desired path.
fAvoid a "bow wave" by driving at an appropriate
speed.
fNever open the doors when driving through
water.
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200
Driving and Driving Safety Soiling can impair the braking action.
fCheck and clean the brakes if they have been
soiled.
Danger of steering assistance failing during
a long journey in the water if the drive belt
slips.
fIf the steering assistance fails, more effort will
be required to steer.
Danger of damaging electrical systems
fAvoid driving through salt water.
Notes on operation
fActivate the Low Range program.
fSwitch the air conditioner off.
fSwitch the headlights off.Tips on driving
fAvoid high engine speeds (max. 2,500 rpm).
fDo not perform manual gear changes when
driving, and try to avoid stopping.
Moving off in the water can be difficult due to
the high resistance and the loose surface
involved.
fStart the water crossing at a shallow place at
walking speed.
fAfter checking the body of water, take the
shortest path through it.
fNever drive into the water at high speed. The
resulting “bow wave” could damage the engine
and its accessories.
fAdjust your driving style to the unfamiliar sur-
roundings.
fCross the body of water slowly and at a con-
stant speed.
fNever turn around when crossing a body of
water.
fIf it is not possible to cross the body of water,
the car must be backed out of it in reverse
gear.
The servo pump and alternator can fail if the car is
driven through water for an extended period.
fIf the servo pump fails, substantially more
force will have to be exerted in order to steer. Maintenance Note
The car requires a special check after the water
crossing.
fRemove mud from the tire tread.
fBriefly apply the brakes in order to dry them
after driving through the water.10_Cayenne_21_KW17.book Seite 200 Donnerstag, 9. April 2009 3:33 15

Luggage Compartment, Loadspace and Storage
217
Off-road roof-mounted Headlights
Cayenne S TranssyberiafPlease read the separate instructions for fitting
and operating the off-road roof-mounted
headlights.DisclaimerThe off-road roof-mounted headlights provided
with your Cayenne S Transsyberia have been
designed and manufactured solely for off-road
use. The use of these lights while on a public road
in your country may not be legal or may be legal
only under specified conditions. Check your
national, state/provincial and local laws or
regulations regarding any restrictions and/or
limitations for public highway use prior to
installation. It is common in many countries, for
example, that such roof-mounted headlights must
be hooded or covered while you are on a public
road.
Under no circumstances should the electrical
circuits for these lights be connected to the
circuits for the other lights provided with your
vehicle.
Safety Notes!
fCompletely remove the off-road roof-mounted
headlights before using an automatic car wash
– risk of damage to the vehicle!
fBefore every trip, and at regular intervals
during long trips, check that the off-road
roof-mounted headlights are secured to the
vehicle properly.
fWith the off-road roof-mounted headlights
fitted, do not exceed a maximum speed of
110 mph (180 km/h).
Nevertheless, Porsche recommends that you
do not exceed the posted speed limit.
fDriving, braking and steering behaviour
change due to the higher center of gravity and
the greater wind-resistant area. You should
adapt your driving style appropriately.
fSince fuel consumption and noise are
increased when the off-road roof-mounted
headlights are fitted, they should not remain on the vehicle when not in use.
Note on operation
If the engine is not running and the off-road
roof-mounted headlights are switched on, the
vehicle battery will be discharged.
Switching the off-road roof-mounted
headlights on/offThe off-road roof-mounted headlights are ready for
operation when the side lights are switched on.
fSwitch the off-road roof-mounted headlights on
and off using the button in the roof console.
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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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Maintenance and Car Care
249 Maintenance and Car Care
Exercise Extreme Caution
when Working on your Vehicle ..................... 250
Engine Oil .................................................. 251
Checking Engine Oil Level ........................... 252
Topping up Engine Oil ................................. 253
Coolant Level ............................................. 255
Brake-Fluid Level ........................................ 257
Washer Fluid .............................................. 258
Power Steering .......................................... 259
Changing Air Cleaner.................................. 260
Changing Particle Filter ............................... 260
Automatic Transmission Fluid ...................... 260
Manual Transmission Oil ............................. 260
Wiper Blades ............................................. 261
Emission Control System ............................ 263
How Emission Control Works ...................... 264
Fuel Economy ............................................ 265
Operating Your Porsche in other Countries ... 266
Fuel........................................................... 266
Portable Fuel Containers ............................. 268
Fuel Recommendations............................... 269
Fuel Evaporation Control ............................. 270
Car Care Instructions.................................. 270
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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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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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Maintenance and Car Care
255
Coolant LevelThe coolant provides year-round protection from
corrosion and freezing down to -31 °F (-35 °C)
(Nordic countries -40 °F (-40 °C).
fUse only anti-freeze authorized by Porsche.
fCheck the coolant level regularly.
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.Checking coolant level/adding coolantThe expansion tank for the coolant is located
under the engine-compartment cover in the engine
compartment.
When the engine is cold and the car is level, the
coolant level must lie between the min- and max-
marks.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 anti-freeze and water in
equal parts.
Antifreeze in coolant:
50% provides anti-freeze protection down to
-31 °F (-35 °C).
5. Screw the cap closed firmly and put on the
cover.
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