
Air Conditioning, Parking Heater and Heated Rear Window
71
Automatic modefPress button  .
Indicator light in button lights up.
Air quantity and air distribution are automati-
cally controlled and variations are compensa-
ted.
Note on operation
If necessary, the automatic system can be manu-
ally influenced.
This manual setting is retained until the appropri-
ate function button is pressed again or the button 
 is pressed.SensorsTo avoid affecting the performance of the air-con-
ditioning system:
fDo not cover the sun sensor on the dashboard 
and the temperature sensor F in the front con-
trol panel of the air-conditioning system.
Setting temperatureTo suit personal comfort, the interior temperature 
can be adjusted between 61 °F and 85 °F (16 °C 
and 29.5 °C).
Recommendation: 72 °F (22 °C)
The selected temperature is shown on the display 
above the button.
Increase temperature
fPush temperature button up.
Left side of vehicle: button H
Right side of vehicle: button N
Decrease temperature
fPush temperature button down.
Left side of vehicle: button H
Right side of vehicle: button N
If “LO” or “HI” appears on the display,  the system 
is operating at maximum cooling or heating 
power. Automatic mode is switched off.
If the preselected temperature is changed, the air 
quantity blowing out can adjust automatically in 
automatic mode.
The desired temperature is reached more quickly 
this way.The selected air quantity is shown in a bar display 
on the display above the button.
The more bars that are displayed, the more air 
flows into the interior.
Increase air quantity
fPush air quantity button G up.
Decrease air quantity
fPush air quantity button G down.
Press button   to return to automatic mode.
If the air quantity was reduced so much that “OFF” 
appears on the display, the outside-air supply is 
interrupted.
 Warning!
Risk of accident due to impaired vision, 
resulting in serious personal injury or death. 
If the air quantity is “OFF”, the windows may 
mist up.
fOnly select air quantity setting “OFF” for short 
periods.
fIf windows mist up, push air quantity button G 
up to increase air quantity and select the func-tion “Defrost windshield”.
Setting air quantity
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76
Air Conditioning, Parking Heater and Heated Rear Window You can switch to automatic mode for the front 
and rear air-conditioned areas, independently of 
one another.
fPress AUTO button C on the front or rear 
control panel. 
The indicator light in button C of the front con-
trol panel and the AUTO indication in the rear 
display panel are lit.
Air quantity and distribution are automatically 
controlled and variations are compensated.Note on operation
If necessary, the automatic system can be 
manually influenced.
This manual setting is retained until the appropri-
ate function button is pressed again or the AUTO 
button C is pressed.Automatic mode
Control panel, rear
C- AUTO button (automatic mode)
F- Air-conditioning/seat heating display
G- Air-quantity button, left
H- Temperature button, left; seat heating, left
I- Air to vent, left door post
J- Air to footwell, left
K- Air to left central vent (center console)
O-Seat heating off/on
P- Air to vent, right door post
Q- Air to footwell, right
R- Air to right central vent (center console)
S- Temperature button, right; seat heating, right
T- Air-quantity button, rightSensorsTo avoid affecting the performance of the air-con-
ditioning system:
fDo not cover the sun sensor on the dashboard 
and the temperature sensor F in the front con-
trol panel of the air-conditioning system.
10_Cayenne_21_KW17.book  Seite 76  Donnerstag, 9. April 2009  3:33 15 

238
Parking
Front ultrasound sensorsSensors
Six ultrasound sensors in the front and rear 
bumpers measure the distance to the closest 
obstacle.
– Range of outer sensors
(front and rear): 
approx. 24 in. (60 cm)
– Range of front middle sensors (arrow): 
approx. 48 in. (120 cm)
Rear ultrasound sensors– Range of rear middle sensors (arrow)
(only in vehicles without spare wheel bracket): 
approx. 59 in. (150 cm)
– Range of rear middle sensors
(only in vehicles with spare wheel bracket): 
approx. 48 in. (120 cm)
Obstacles cannot be detected in the “blind” sen-
sor area (above and below the sensors).Maintenance Notes
fThe sensors must always be kept free of dust, 
ice and snow in order to ensure that they are 
fully functional.
fDo not damage sensors by abrasion or 
scratching.
fMaintain sufficient distance when cleaning with 
steam-jet units.
The sensors will be damaged if the pressure is 
too high.
Note on operation
The rear ultrasound sensors may not function 
correctly if tires that have not been recommended 
by Porsche are fitted on the spare wheel bracket.
If the spare wheel bracket is open, this may impair 
the function of the rear ultrasound sensors.
In vehicles that have air suspension with level 
control and height adjustment, the system may 
not recognize obstacles near the ground at terrain 
level or special terrain level.
10_Cayenne_21_KW17.book  Seite 238  Donnerstag, 9. April 2009  3:33 15 

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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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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Minor Repairs
287
Parking at the curb
 Danger!
Hard impacts against curbs (or traffic 
islands) are dangerous and may cause hid-
den tire damage which is not noticeable until 
later. Such damage can result in accidents at 
high speeds causing serious personal injury 
or death. Depending on the force of impact, 
the edge of the rim can also be damaged.
fIf you are in doubt, have the wheel checked by 
an expert, particularly if you suspect damage 
on the inside.
fIf you must drive over a curb or other obstacle, 
drive slowly and at an obtuse angle. Exercise care when parking along curbs.
Maintenance Note
Tire repairs are not permissible under any circum-
stances.
Wheel alignment, wheel balancingAs a precaution, have wheels with summer tires 
balanced in the spring, and those with mud and 
snow tires before winter. Unbalanced wheels may 
affect car handling and tire life.
Only the specified weights may be used for wheel 
balancing. Self-adhesive weights must not come into contact 
with cleaning agents, since they could drop off.
Uneven tread wear indicates wheel imbalance. In 
this event, the vehicle should be checked at an 
authorized Porsche dealer.
 Danger!
If, during a trip, uneven running or vibrations 
occur that could be caused by damage to 
tires or the car, the speed must be reduced 
immediately, but without braking sharply. If 
you continue your trip without having the 
cause of the fault remedied, you might lose 
control of your vehicle which could cause 
serious personal injury or death.
fStop the vehicle and check the tires.
fIf no cause for the fault can be found, drive ca-
refully to the nearest authorized Porsche dea-ler.
Wheels with Tire Pressure Monitoring 
(TPM) sensorsBefore changing wheels, make sure that the 
wheels are compatible with your vehicle’s TPM.
fCheck this with your authorized Porsche dea-
ler.
Removing and storing tiresfAfter changing, adjust tire pressure and torque 
wheel bolts diagonally. 
Please see the chapter “CHANGING WHEELS” 
on Page 294.
fStore tires in a cool and dry place. Rotate peri-
odically to avoid flat spots.
fAvoid contact with petrol, oil and grease.
Tires must always remain on the same side of 
the vehicle.
When wheels are removed, the direction of 
rotation and position of each wheel should be 
marked.
Example
FR (front right), FL, RR and RL. 
Wheels must always be fitted in accordance with 
their marking.
The perception that tire durability and perfor-
mance are not affected by storage and age is 
unfounded. 
Chemical additives, which make the rubber elas-
tic, lose their effectiveness over the course of 
time and the rubber becomes brittle and cracks.
Therefore, the tires, especially the spare tire, 
should be inspected from time to time.
10_Cayenne_21_KW17.book  Seite 287  Donnerstag, 9. April 2009  3:33 15 

Index
367
Emergency unlocking
Of the filler flap
.............................................. 267
Spare wheel bracket
....................................... 311
Emission control (check engine)
Functional description
..................................... 123
Warning light on the tachometer
....................... 123
Emission Control System
.......................................... 263
Engaging the rear differential lock
.............................. 178
Engine
Break in hints
.................................................... 6
Cooling system
.............................................. 122
Data
............................................................ 349
Idling
........................................................... 171
Starting
........................................................ 160
Stopping
...................................................... 161
Engine Braking Support 
(assistance when driving downhill)
.............................. 189
Engine drag torque control (MSR)
Functional description
..................................... 184
Engine oil
.............................................................. 251Change
........................................................ 253
Change quantity
............................................. 359
Checking oil level with oil dipstick
...................... 252
Choosing the right oil
...................................... 253
Consumption
................................................. 349
Dipstick
........................................................ 253
Engine oil pressure
......................................... 153
Filler opening
................................................. 254
General information
........................................ 253
Level
........................................................... 252
Oil-level warning on the multi-purpose display
...... 252
Recommendation
........................................... 253
Temperature gage
......................................... 120
Topping up
................................................... 254
Engine oil level
....................................................... 252
Checking
...................................................... 252
Entry & Drive
Locking vehicle door with Porsche Entry & Drive
.... 21
Opening/closing Panorama roof system 
with car key
.................................................... 99
Unlocking vehicle door with Porsche Entry & Drive
.20
Entry aid
Functional description
....................................... 39
Switching on/off
.............................................. 39
Error messages
Displaying
..................................................... 130
Overview of warning messages 
on the multi-purpose display
............................. 149
Exhaust gas
Monitoring warning light
........................ 117
, 119
Exhaust pipes
............................................................. 3
Stainless steel tailpipes, care instructions
........... 276
Exit aid
Functional description
....................................... 39
Switching on/off
.............................................. 39
External audio source, interface
................................. 221
FFabric linings, care instructions
................................. 277
Factory settings
Resetting multi-purpose display
......................... 148
Faults
After charging the battery
................................ 325
Emergency operation of automatic rear lid
........... 26
Emergency operation of ignition key 
in ignition lock
............................................... 159
Emergency operation of rear lid
.......................... 31
Emergency operation of sliding/lifting roof
............ 94
Emergency operation 
of the Panorama roof system
........................... 101
Emergency operation of the spare wheel bracket
.311
Emergency operation of Tiptronic selector lever
.. 175
Emergency unlocking of the filler flap
................. 267
Overview of warning messages 
on the multi-purpose display
............................. 149
Panorama roof system
...................................... 99
ParkAssist
.................................................... 240
Parking heater
................................................. 85
Power windows
................................................ 90
Sliding/lifting roof
............................................. 94
When opening and closing
................................. 31
Filler flap
............................................................... 267Emergency unlocking
...................................... 267
Filling pressure
Plate location
................................................ 348
Reducing
............................................ 307
, 308
Tires (bar/psi)
............................................... 354
Warning light on speedometer
.......................... 141
Warning message on multi-purpose display
......... 151
Filter
Air cleaner maintenance instructions
.................. 260
Particle filter maintenance instructions
............... 260
Fire extinguisher
....................................................... 40
Floor mats, care instructions
..................................... 277
Fluids and fuels
Brake fluid
....................................................359
Coolant
........................................................359
Engine oil
......................................................359
Fuel
.............................................................359
Hydraulic fluid for power steering
......................259
Overview
......................................................359
Washer fluid
..................................................359
Folding key bit in/out
.................................................16
Folding wedges to prevent rolling
...............................296
Footbrake
..............................................................163
Warning light
.................................................164
Footwell lightning
Dimming
.......................................................109
Four-wheel drive
Functional description
.....................................182
Warning message on multi-purpose display
.........154
Four-zone air conditioning
Air-conditioning sensors
.....................................76
Controlling rear air-conditioned areas 
with the front control panel
................................79
Defrosting windshield
........................................75
Disabling control panel (rear)
..............................79
Disabling control panel for air-conditioned areas 
at the rear
.......................................................79
Operating overview, front
...................................75
Operating overview, rear
...................................76
REST mode
.....................................................65
Setting air distribution
.......................................77
Setting air quantity
...........................................77
Setting temperature
..........................................77
Switching ECON mode on/off
.............................65
Switching Mono function on/off
...........................78
Switching on automatic recirculating-air mode
.......78
Switching on recirculating-air mode
.....................78
Using engine residual heat
.................................65
Fresh-air intake
.........................................................80
Front seat
Adjusting
........................................................36
Drawer under the right front seat
......................225
Passenger mirror as parking aid
.........................38
Recalling settings (memory)
...............................37
Storing driver’s seat settings (memory)
................38
Storing passenger’s seat settings (memory)
..........38
Front seat with memory
..............................................37
Storing door mirror settings
...............................56
Front seats
..............................................................34
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372
Index
Sand
........................................................... 201
Switching off Low Range (reduction)
.................. 178
Switching on Low Range (reduction)
.................. 178
Track ruts
.................................................... 202
Uphill driving
................................................. 197
Water crossing
.............................................. 199
Off-road PSM functional description
........................... 184
Off-road roof-mounted headlights
............................... 217
Off-road shifting
Limit speed
.................................................. 177
Oil....................................................................... 251Change quantity
............................................ 359
Checking oil level with oil dipstick
..................... 252
Choosing the right oil
..................................... 253
Consumption
........................................... 6
, 349
Dipstick
....................................................... 253
Engine oil pressure
........................................ 153
Filler opening
................................................ 254
General information
........................................ 253
Oil-level warning on the multi-purpose display
...... 252
Temperature gage
......................................... 120
Topping up
................................................... 254
Oil level
Checking
...................................................... 252
On-board computer
Activating synchronous mirror adjustment
.......... 143
Changing settings 
for opening and locking the vehicle
................... 143
Changing settings of central locking system
....... 143
Displaying status of level control
...................... 131
Displaying status of locks/reduction
................. 131
Displaying warning messages
.......................... 130
Displaying/resetting average consumption
......... 132
Gear display for Tiptronic S
............................. 171
Operating principle
........................................ 124
Overview of warning messages
........................ 149
Resetting to factory settings
............................ 148
Setting a speed limit
...................................... 129
Setting compass
........................................... 147
Setting language for displays
........................... 148
Setting lighting off delay
................................. 146
Setting the clock
........................................... 146
Setting the tire type and size
........................... 134
Setting Tire Pressure Monitoring
...................... 132
Setting tire sealant/sealing set
......................... 140
Setting units of displays
.................................. 148
Setting vehicle loading
.................................... 135
Switching daytime driving lights on/off
.............. 145
Switching off passenger compartment monitoring
142
Using the telephone
....................................... 128
Opening and closing
Automatically closing the rear lid
........................ 25
Closing the rear window
.................................... 27
Closing the spare wheel bracket
....................... 311
Engine compartment lid
.................................... 29
Loadspace floor
............................................ 207
Locking vehicle door with the car key 
(remote control)
.............................................. 21
Opening the rear lid automatically
....................... 24
Opening the spare wheel bracket
...................... 310
Panorama roof system
..................................... 97
Roller blind for Panorama roof system
............... 100
Sliding/lifting roof
............................................ 92
Unlocking and opening rear window
.................... 27
Unlocking vehicle door with Porsche Entry & Drive
.20
Unlocking vehicle door with the car key 
(remote control)
.............................................. 20
Opening and closing the engine compartment lid
............ 29
Opening and locking
Closing the rear lid automatically
........................ 25
Closing the rear window
.................................... 27
Engine compartment lid
.................................... 29
Locking vehicle door with Porsche Entry & Drive
... 21
Locking vehicle door with the car key 
(remote control)
.............................................. 21
Opening and locking vehicle door from inside
....... 28
Opening the rear lid automatically
....................... 24
Unlocking and opening the rear window
............... 27
Unlocking vehicle door with car key 
(remote control)
.............................................. 20
Unlocking vehicle door with Porsche Entry & Drive
.20
Opening the rear lid automatically
................................ 24
Operating in other countries
..................................... 266
Operating overview
2-zone air conditioning
...................................... 70
4-zone air conditioning, front
............................. 75
4-zone air conditioning, rear
.............................. 76
Manual air-conditioning
..................................... 67
Parking heater
................................................ 81
Operating the function keys on steering wheel
............... 60
Operating the horn
.................................................... 58
Overview of capacities
Engine oil
..................................................... 359
Oxygen sensor
....................................................... 264
PPaint
Care instructions
........................................... 273
Polishing
...................................................... 273
Preserving
.................................................... 273
Removing spots and stains
.............................. 273
Repairing damage
.......................................... 273
Panic button
............................................................ 17
Panorama roof system
Brief overview
................................................. 96
Comfort function
.............................................. 99
Emergency operation
..................................... 101
Functional description
....................................... 97
Malfunctions
................................................... 99
Opening closing with car key
............................. 99
Opening/closing
.............................................. 98
Opening/closing roller blind
............................. 100
Roller blind cleaning position
............................ 101
ParkAssist
............................................................. 235
Distance display, front
.................................... 239
Distance display, rear
..................................... 239
Functional description
..................................... 237
Sensors
....................................................... 238
Switching on/off
............................................ 237
When driving with a trailer
............................... 240
Parking
................................................................. 175Applying the parking brake
.............................. 162
Distance display, front
.................................... 239
Distance display, rear
..................................... 239
Locking the vehicle
.......................................... 21
ParkAssist, functional description
..................... 237
Sensors
....................................................... 238
Switching ParkAssist on and off
........................ 237
When towing a trailer
...................................... 240
Parking aid
.............................................................. 56
Distance display, front
.................................... 239
Distance display, rear
..................................... 239
Functional description
..................................... 237
Sensors
....................................................... 238
Storing door mirror setting as parking aid
............ 38
Switching on/off
............................................ 237
Swivelling down mirror glass
.............................. 56
When driving with a trailer
............................... 240
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