
Table of Contents
9
Alarm System and Theft Protection .. 244Alarm System and 
Passenger Compartment Monitoring ............ 245Maintenance and Car Care ............... 249Exercise 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
Minor Repairs.................................. 279Exercise Extreme Caution 
when Working on your Vehicle ......................280
Tires/Wheels ..............................................281
Jack...........................................................291
Tool Kit ......................................................292
Compressor ...............................................292
Spacers .....................................................293
Wheel Bolts ................................................293
Changing Wheels ........................................294
Flat Tire......................................................295
Lifting the Vehicle 
with a Lifting Platform or Garage lift..............298
Electrical System ........................................312
Battery .......................................................320
Replacing the remote control battery ............322
Emergency Starting with Jumper Cables .......323
Replacing Bulbs ..........................................326
Headlights ..................................................327
Tail light .....................................................336
License Plate Lights ....................................338
Headlight Adjustment ..................................339
Changing headlights 
from left to right-hand traffic ........................340
Bulb Chart ..................................................342
Towing .......................................................342
Tire Pressure and Technical Data ..... 346Vehicle Identification................................... 347
Engine Data ............................................... 349
Tires, Rims, Tracks .................................... 350
Tire Pressures, Cold (68 °F/20 °C) .............. 354
Weights ..................................................... 356
Ground Clearance ...................................... 357
Capacities ................................................. 359
Dimensions ................................................ 360
Driving Performance................................... 361Index .............................................. 362
10_Cayenne_21_KW17.book  Seite 9  Donnerstag, 9. April 2009  3:33 15 

Overview Illustrations
11
Driver’s cockpit1. Power Lift Gate
See Page 23.
2. Power Windows
See Page 87.
3. Inner door Handle
See Page 28.
4. Door mirror adjustment
See Page 55.
5. Engine compartment lid release
See Page 29.
6. Parking brake
See Page 162.
7. Diagnostic socket
8. Parking brake release
See Page 162.
9. Ignition lock/steering lock
See Page 158.
10.Seat adjustment
See Page 34.
11.Instrument lighting knob
See Page 105.
12.Light switch
See Page 104.
10_Cayenne_21_KW17.book  Seite 11  Donnerstag, 9. April 2009  3:33 15 

14
Opening and Locking
Opening and LockingNever invite car theft! .................................... 15
Keys ............................................................ 16
Central Locking System................................ 17
Brief overview – Opening and locking from 
outside ........................................................ 18
Unlocking and locking from outside ................ 19
Opening and locking from inside .................... 28
Opening and closing the engine 
compartment lid ........................................... 29
Malfunctions when opening and closing .......... 31
10_Cayenne_21_KW17.book  Seite 14  Donnerstag, 9. April 2009  3:33 15 

Opening and Locking
15
Never invite car theft!An unlocked car with the key in the ignition lock 
invites car theft.
A steering wheel lock and a gong alarm are 
standard equipment in your Porsche. The gong 
alarm will sound if you open the driver's door while 
the key is still in the ignition lock. It is your remin-
der to pull the key out of the ignition lock and to 
lock the doors.
 Warning!
Any uncontrolled movement of the vehicle 
may result in property damage, serious 
personal injury or death.
Never leave your vehicle unattended with the 
key in the ignition lock, especially if children 
and/or pets are left unattended in the 
vehicle. They can operate power windows 
and other controls. If the engine is left 
running, they may accidentally engage the 
shift lever. Serious personal injury or death 
could result from loss of control of the 
vehicle.
fAlways remove the ignition key.
fAlways set the parking brake.
fLock the doors with the key or with the remote control.
 Warning!
Risk of a serious accident. 
The steering column will lock when you re-
move the key while you are driving or as the 
car is rolling to a stop. You will not be able to 
steer the car.
Serious personal injury or death could result 
from loss of control of the vehicle.
fNever remove the key from the steering lock while you are driving.To protect your vehicle and your possessions 
from theft, you should always proceed as 
follows when leaving your vehicle:
fClose windows.
fClose sliding/lifting roof or Panorama Roof 
System.
fRemove ignition key (switch ignition off in 
vehicles that have Porsche Entry & Drive).
fEngage steering lock.
fLock storage tray between the front seats and 
glove compartment.
fRemove valuables (e.g. car documents, radio 
control module, cell phones, house keys) from 
the car.
fLock doors.
fLock the glove compartment.
fClose oddment trays.
fCover luggage compartment with the luggage 
compartment cover.
fClose rear lid and rear window.
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Opening and Locking
17
Panic buttonIn dangerous situations or when one's own safety 
is threatened, it is possible to draw attention to 
the situation by triggering an alarm. 
To trigger an alarm
fPress button.
The horn sounds and the emergency flashers 
flash. 
To stop the alarm
fPress button again.
The horn becomes silent and the emergency 
flashers go out.
Central Locking System This device complies with:
Part 15 of the FCC Rules
RSS-210 of Industry Canada.
Operation of this device is subject to the following 
two conditions:
– It may not cause harmful interference, and
– it must accept any interference received 
including interference that may cause 
undesired operation.
Note
The manufacturer is not responsible for any radio 
or TV interference caused by unauthorized modifi-
cations to this equipment. 
Such modification could void the user's authority 
to operate the equipment.
 Warning!
Any changes or modifications not expressly 
approved by Porsche could void the user’s 
authority to operate this equipment.Your vehicle is equipped with a central locking 
system. The following are unlocked or locked 
together: 
– Doors
– Rear lid/rear window
– Filler flap
The central locking system is always activated 
when the vehicle is unlocked and locked.
On the multi-purpose display of the instrument 
panel, you can set different variants for locking 
and unlocking the doors and rear lid. You can open 
all doors irrespective of the setting made.
The vehicle cannot be locked if the driver’s door is 
not completely closed.
If one of the following components is not comple-
tely closed when you try to lock the vehicle the 
door/lid is not locked:
– vehicle doors
– rear lid
–rear window
– engine compartment lid
The indication by the emergency flasher and by 
the acoustic signal will be provided after all doors 
and lids are closed.USA: KR55WK45032
Canada: CAN 267 104 187
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22
Opening and Locking
Unlocking and opening rear lid
(vehicles with spare wheel bracket)On vehicles with spare wheel bracket, this must be 
swung to the side before opening the rear lid. 
fFor further information on opening the spare 
wheel bracket:
Please see the chapter “OPENING SPARE 
WHEEL BRACKET” on Page 310.
 Danger!
Risk of poisoning. Exhaust gases can enter 
the passenger compartment when the rear 
lid is open.
fAlways keep the rear lid closed when the 
engine is running.
fAlways keep the rear lid closed while driving.
The vehicle doors remain locked after unlocking 
the rear lid.
The rear lid is locked automatically after 
30 seconds if it is not opened. 
Unlocking with the key
fPress button   on the key.
fPress the release handle (arrow) on the rear lid 
and open the rear lid.Unlocking with Porsche Entry & Drive 
(keyless)
 Warning!
Risk of being locked out of vehicles with 
Porsche Entry & Drive.
fDo not leave the key in the vehicle if the vehicle 
is locked and access is gained through the 
rear lid. The vehicle is automatically locked 
when the rear lid is closed.
If the key has been left in the vehicle, the emer-
gency flasher flashes twice and a warning sig-
nal sounds. The rear lid can be opened again 
within approx. 30 seconds.
After 30 seconds have elapsed, the vehicle 
can be unlocked again only with the second key.
The rear lid is unlocked if you are in the rear area 
of the vehicle with the key.
fPress the release handle (arrow) on the rear lid 
and open the rear lid.
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Opening and Locking
23
Locking the rear lid
 Warning!
Danger of crushing. The rear lid is auto-
matically pulled into the lock and locked.
fMake sure that your fingers are not under the 
rear lid.
fKeep foreign objects or limbs away from 
moving parts (latch striker) of the power 
closing mechanism.
fDo not leave children in the car unattended.The rear lid has a power closing mechanism.
1. Pull down the rear lid by means of the closing 
handle (arrow), and press it gently into the 
lock.
The rear lid is automatically pulled closed and 
locked. (only if rear lid is unlocked)
2. Lock the vehicle.
Powerliftgate (Rear Lid)
 Danger!
Risk of poisoning. Exhaust gases can enter 
the passenger compartment when the rear 
lid is open.
fAlways keep the rear lid closed when the 
engine is running.
fAlways keep the rear lid closed while driving.
Danger of injury and damage if the rear lid is 
automatically opened or closed in an uncon-
trolled way!
fDo not leave children in the car unattended.
fOpen or close the rear lid only when the vehicle 
is stationary.
fNever drive with the rear window or rear lid 
open.
Exhaust gases can enter the passenger 
compartment.
fOpen or close the rear lid only when there are 
no persons, animals or objects within its 
movement range. 
fAlways observe the opening and closing opera-
tion so that movement can be stopped at any 
time in the event of danger.
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Opening and Locking
27
Unlocking and opening rear windowThe vehicle doors remain locked after unlocking 
the rear lid.
The rear window is locked automatically after 
30 seconds if it is not opened. 
Unlocking with the key
(only on vehicles without Powerliftgate)
fPress button   on the key for approx. 
2seconds.
The rear window pops open.Unlocking with the key
1. Press button   on the key.
2. Press the release button A and open the 
window.
Unlocking with Porsche Entry & Drive 
(keyless)
 Warning!
Risk of being locked out of vehicles with 
Porsche Entry & Drive.
fDo not leave the key in the vehicle if the vehicle 
is locked and access is gained through the 
rear window. The vehicle is automatically 
locked when the rear window is closed. 
If the key has been left in the vehicle, the emer-
gency flasher flashes twice and a warning 
signal sounds. The rear window can be opened 
again within approx. 30 seconds.
After 30 seconds have elapsed, the vehicle 
can be unlocked again only with the second key.
 Danger!
Risk of poisoning. Exhaust gases can enter 
the passenger compartment when the rear 
window is open.
fAlways keep the rear lid and rear window 
closed when the engine is running.
fAlways keep the rear lid and rear window closed while driving.
The rear window is unlocked if you are in the rear 
area of the vehicle with the key.
fPress the release button A and open the 
window.
Closing the rear windowClose the rear window and press it into the lock 
until it can be felt to engage.
Note on operation
On vehicles with Porsche Entry & Drive, the rear 
lid, rear window and spare wheel bracket can no 
longer be opened when the car key with remote 
control is out of range.
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