2002-2010 Porsche Cayenne SUV Air Conditioning, Parking Heater and Heated Rear Window User Manual
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Air Conditioning, Parking Heater and Heated Rear Window for Your Porsche Cayenne SUV First Generation (2002-2010)

58 Air Conditioning, Parking Heater and Heated Rear Window
Air Conditioning, Parking Heater and Rear Window Heating
Overview of air-conditioning systems ..............59
Opening the cover flap ..................................60
Brief overview –
Manually controlled air-conditioning system.....61
Manually controlled air-conditioning system.....62
Brief overview – Automatically controlled
2-zone air-conditioning system .......................66
Automatically controlled 2-zone air-
conditioning..................................................67
Brief overview – Automatically controlled
4-zone air-conditioning system,
front control panel ........................................72
Brief overview – Automatically controlled
4-zone air-conditioning system,
rear control panel ......................................... 73
Automatically controlled 4-zone air
conditioning..................................................74
Vents ...........................................................80
Heated rear window ......................................81
Parking heater..............................................82
Air Conditioning, Parking Heater and Heated Rear Window 59
Overview of air-conditioning
systems
The following air-conditioning system types may
be installed, depending on your vehicle equip-
ment:
A – Automatically controlled 4-zone air-
conditioning system
The air-conditioning system controls the set
interior temperature completely automatically.
Temperature, air quantity and air distribution can
be set individually for the front left, front right, rear
left and rear right air-conditioned areas.
B – Automatically controlled 2-zone air-
conditioning system
The air-conditioning system controls the preselect-
ed interior temperature completely automatically.
The temperature can be set individually for the left
and right air-conditioned areas.
C – Manually controlled air-conditioning
system
Air quantity, air distribution and temperature can
be set on the control panel of the manually control-
led air-conditioning system.
How do I recognise which is “my” air-condi-
tioning system?
A - Button for rear control panel is present
B - AUTO button and REST button present
C - Wide rocker switch and no AUTO button
60 Air Conditioning, Parking Heater and Heated Rear Window
Opening the cover flap
f Swivel cover flap down by means of handle
(arrow).
Air Conditioning, Parking Heater and Heated Rear Window 61
Brief overview –
Manually controlled air-
conditioning system
This brief overview does not replace the informa-
tion provided in the chapter “Manually controlled
air-conditioning system”.
In particular, warnings are not replaced by this
brief overview.
What do I want to do? What do I have to do?
Setting temperature
Press button K up (warmer) or down (colder).
Setting air quantity
Press button E up (more) or down (less).
Setting air distribution
Air to windscreen: Press button F.
Air to central and side vents: Press button H.
Air to footwell: Press button G.
Defrosting windscreen
Press button A.
62 Air Conditioning, Parking Heater and Heated Rear Window
Manually controlled air-
conditioning system
Air quantity, air distribution and temperature can
be set on the control panel of the manually control-
led air-conditioning system.
The individual adjustment is shown on the air-
conditioning display.
Note on operation
The air conditioner settings are stored on the
respective remote control when switching off the
ignition and locking the vehicle. The “Air flow OFF”
setting is stored for approx. 60 minutes and the
“Recirculated air” setting is stored for approx.
20 minutes.
A - Windscreen defrost
B - Heated r ear window
C - Recirculated air
D - Air-conditioning display
E - Air quantity button
F - Air to windscreen
G - Air to footwell
H - Air to central and side vents
I - ECON button (air-conditioning compressor off/on)
J - REST button (engine residual heat)
K - Temperature button
Air Conditioning, Parking Heater and Heated Rear Window 63
The selected temperature is shown in a bar
display on the display above the button. The more
bars that are displayed, the higher the tempera-
ture of the air flowing into the interior.
Increase temperature
f Press button for temperature K up.
Reduce temperature
f Press button for temperature K down.
Note
f For maximum cooling, activate recirculated air
button .
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
f Press button for air quantity E up.
Reduce air quantity
f Press button for air quantity E down.
If the air quantity was reduced so much that “OFF”
appears on the display, the supply of air from the
outside is interrupted.
Warning!
Risk of accident due to impaired vision.
The windows may mist up in the air quantity
setting “OFF”.
f Press button E up (increase air quantity).
Setting air distribution
f Press button .
The air flows to the windscreen.
f Press button .
The air flows from the central and side vents.
Vents must be open.
f Press button .
The air flows to the footwell.
Setting temperature Setting air quantity
Air to windscreen
Air to central and side vents
Air to footwell
64 Air Conditioning, Parking Heater and Heated Rear Window
Warning!
Risk of accident due to impaired vision. In
circulating-air mode, the windows may mist
up.
f Only select circulating-air mode for short
periods.
f If the windows mist up, switch circulating-air
mode off immediately by pressing the circu-
lating-air button again and select the “Defrost
windscreen” function.
f Press button .
The indicator light in the button lights up.
The outside-air supply is interrupted and only
the inside air is circulated.
f Press button .
The indicator light in the button lights up.
The air flows to the windscreen and the front
side windows.
The windscreen is demisted or defrosted as
quickly as possible.
Ending the function
f Press button again.
ECON mode
Warning!
Risk of accident due to impaired vision.
The outside air that is flowing in is not dried
in Econ mode. The windows may mist up.
f Do not switch on ECON mode in damp
weather.
In ECON mode, the air-conditioning compressor is
switched off and this deactivates the cooling
function (e.g. to save fuel).
The air-conditioning compressor is always
switched off at temperatures below 3 °C.
Switching on ECON mode
f Press button .
The text ECON appears on the air-conditioning
display.
The air-conditioning compressor is switched
off.
Switching off ECON mode
f If the interior temperature is too high,
Press button .
The text ECON disappears from the air-condi-
tioning display.
The air-conditioning compressor is switched
on.
Switching on circulating-air mode
Defrosting windscreen
Air Conditioning, Parking Heater and Heated Rear Window 65
REST mode
Using engine residual heat
The residual heat of the engine can be used to
heat the interior for up to 20 minutes after the
ignition has been switched off.
f Press button .
The air-conditioning settings cannot be
changed in REST mode.
Ending the function
f Press button .
Note on operation
If the battery voltage is too low, REST mode is
automatically ended.
Information on air-conditioning
compressor
The air-conditioning compressor:
– May switch off briefly to ensure sufficient
engine cooling if the engine is operating under
extreme load.
– Switches off automatically at temperatures
below approx. 3 °C and cannot be switched
on, even manually.
– Operates most effectively with the windows
closed.
If the vehicle has been in the sun for a long
time, it is a good idea to ventilate the interior
briefly with the windows open.
– Depending on the outside temperature and
humidity, condensation can drip from the
evaporator and form a pool under the car.
This is normal and not a sign of leakage.
f If uncooled air flows out when the lowest
temperature has been set (“LO”), switch off the
air-conditioning compressor and 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.
66 Air Conditioning, Parking Heater and Heated Rear Window
Brief overview – Automatically
controlled 2-zone air-conditioning
system
This brief overview does not replace the informa-
tion provided in the chapter “Automatically
controlled 2-zone air conditioning”. In particular,
warnings are not replaced by this brief overview.
What do I want to do? What do I have to do?
Switching on automatic air-conditioning
system
Press button C.
Setting temperature
Left vehicle side: Press button H up (warmer) or down (colder).
Right vehicle side: Press button N up (warmer) or down (colder).
Setting air quantity
Press button G up (more) or down (less).
Setting air distribution
Air to windscreen: Press button I.
Air to central and side vents: Press button K.
Air to footwell: Press button J.
Defrosting windscreen
Press button A.
Air Conditioning, Parking Heater and Heated Rear Window 67
Automatically controlled 2-zone
air-conditioning
Depending on various factors (e.g. sunlight, air
quality), the air-conditioning system controls the
preset interior temperature fully automatically.
The temperature can be set individually/separate-
ly for the two left and right air-conditioned areas.
You can manually influence the automatic system.
The individual adjustment is shown on the air-
conditioning display.
Note on operation
The air conditioner settings are stored on the
respective remote control when switching off the
ignition and locking the vehicle. The “Air flow OFF”
setting is stored for approx. 60 minutes and the
“Recirculated air” setting is stored for approx.
20 minutes.
A - Windscreen defrost
B - Heated rear window
C - AUTO button (automatic mode)
D - Recirculated air, automatic recirculated air
E - Air-conditioning display
F - Temperature sensor
G - Air quantity button
H - Temperature button, left side
I - Air to windscreen
J - Air to footwell
K - Air to central and side vents
L - ECON button (air-conditioning compressor off/on)
M- REST button (engine residual heat)
N - Temperature button, right side
68 Air Conditioning, Parking Heater and Heated Rear Window
Automatic mode
f Press button .
The indicator light in the button lights up.
Air quantity and air distribution are automati-
cally controlled and variations are compen-
sated.
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.
Setting temperature
To suit personal comfort, the interior temperature
can be adjusted between 16 °C and 29.5 °C.
Recommendation: 22 °C
The selected temperature is shown on the display
above the button.
Increase temperature
f Press button for temperature up.
Left side of vehicle: button H
Right side of vehicle: button N
Reduce temperature
f Press button for temperature 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
f Press button for air quantity G up.
Reduce air quantity
f Press button for air quantity G down.
Press to return to automatic mode.
If the air quantity was reduced so much that “OFF”
appears on the display, the supply of air from the
outside is interrupted.
Warning!
Risk of accident due to impaired vision.
The windows may mist up in the air quantity
setting “OFF”.
f Press button G up (increase air quantity).
Setting air quantity
Air Conditioning, Parking Heater and Heated Rear Window 69
Setting air distribution
f Press button .
The air flows to the windscreen.
f Press button .
The air flows from the central and side vents.
Vents must be open.
f Press button .
The air flows to the footwell.
Ending air distribution functions
f Press the relevant button again or
f Press button .
Accepting settings for driver’s side for the
entire vehicle
The Mono function allows the temperature setting
for the driver’s side to be accepted for the entire
vehicle.
Switching on MONO function
The temperature setting for the driver’s side can
be accepted for the entire vehicle.
f Press button for 2 seconds.
The text MONO appears on the air-conditioning
display.
Ending MONO function
f Press button for 2 seconds or
f Change the settings in the air-conditioned
areas.
f Press button once.
The indicator light in the button lights up.
Control of the outside-air supply depends on
the air quality.
Note
The recommended operating mode is automatic
circulating-air mode.
Air to windscreen
Air to central and side vents
Air to footwell
Switching on automatic
circulating-air mode
70 Air Conditioning, Parking Heater and Heated Rear Window
Warning!
Risk of accident due to impaired vision.
In circulating-air mode, the windows may
mist up.
f Only select circulating-air mode for short
periods.
f If the windows mist up, switch circulating-air
mode off immediately by pressing the circu-
lating-air button again and select the “Defrost
windscreen” function.
f Press button twice.
The indicator light in the button lights up.
The outside-air supply is interrupted and only
the inside air is circulated.
Note on operation
If the air-conditioning compressor is switched off
manually or automatically, circulating-air mode
ends after approx. 3 minutes.
f Press button .
The indicator light in the button lights up.
The air flows to the windscreen and the front
side windows.
The windscreen is demisted or defrosted as
quickly as possible.
Ending the function
f Press button again or
f Press button .
ECON mode
Warning!
Risk of accident due to impaired vision.
The outside air that is flowing in is not dried
in Econ mode. The windows may mist up.
f Do not switch on ECON mode in damp
weather.
In ECON mode, the air-conditioning compressor is
switched off and this deactivates the cooling
function (e.g. to save fuel).
The air-conditioning compressor is always
switched off at temperatures below 3 °C.
Switching on ECON mode
f Press button .
The text ECON appears on the air-conditioning
display.
The air-conditioning compressor is switched
off.
Switching off ECON mode
f If the interior temperature is too high,
press button or
press button .
The text ECON disappears from the air-condi-
tioning display.
The air-conditioning compressor is switched
on.
Switching on circulating-air mode
Defrosting windscreen
Air Conditioning, Parking Heater and Heated Rear Window 71
REST mode
Using engine residual heat
The residual heat of the engine can be used to
heat the interior for up to 20 minutes after the
ignition has been switched off.
f Press button .
The air-conditioning settings cannot be
changed in REST mode.
Ending the function
f Press button .
Note on operation
If the battery voltage is too low, REST mode is
automatically ended.
Information on air-conditioning
compressor
The air-conditioning compressor:
– May switch off briefly to ensure sufficient
engine cooling if the engine is operating under
extreme load.
– Switches off automatically at temperatures
below approx. 3 °C and cannot be switched
on, even manually.
– Operates most effectively with the windows
closed.
If the vehicle has been in the sun for a long
time, it is a good idea to ventilate the interior
briefly with the windows open.
– Depending on the outside temperature and
humidity, condensation can drip from the
evaporator and form a pool under the car.
This is normal and not a sign of leakage.
f If uncooled air flows out when the lowest
temperature has been set (“LO”), switch off the
air-conditioning compressor and 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.
Sensors
To avoid affecting the performance of the air-
conditioning system:
f Do not cover the sun sensor on the dashboard
and the temperature sensor F in the front
control panel of the air-conditioning system.
72 Air Conditioning, Parking Heater and Heated Rear Window
Brief overview – Automatically
controlled 4-zone air-conditioning
system, front control panel
This brief overview does not replace the informa-
tion provided in the chapter “Automatically
controlled four-zone air conditioning”. In particular,
warnings are not replaced by this brief overview.
What do I want to do? What do I have to do?
Switching on automatic air-conditioning
system at front
Press button C.
Setting temperature at front
for left side: Press button H up (warmer) or down (colder).
for right side: Press button Q up (warmer) or down (colder).
Setting air quantity at front
for left side: Press button G up (more) or down (less).
for right side: Press button R up (more) or down (less).
Setting air distribution at front
Air to windscreen for left or right side: Press button I or P.
Air to central and side vents for left or right side: Press button K or N.
Air to footwell for left or right side: Press button J or O.
Defrosting windscreen
Press button A.
Air Conditioning, Parking Heater and Heated Rear Window 73
Brief overview – Automatically
controlled 4-zone air-conditioning
system, rear control panel
This brief overview does not replace the informa-
tion provided in the chapter “Automatically
controlled four-zone air conditioning”. In particular,
warnings are not replaced by this brief overview.
What do I want to do? What do I have to do?
Switching on automatic air-conditioning
system at rear
Press button C.
Setting temperature at rear
for left side: Press button H up (warmer) or down (colder).
for right side: Press button S up (warmer) or down (colder).
Setting air quantity at rear
for left side: Press button G up (more) or down (less).
for right side: Press button T up (more) or down (less).
Setting air distribution at rear
Air to side window for left or right side: Press button I or P.
Air to central vent for left or right side: Press button K or R.
Air to footwell for left or right side: Press button J or Q.
74 Air Conditioning, Parking Heater and Heated Rear Window
Automatically controlled 4-zone
air conditioning
Depending on various factors (e.g. ambient
temperature, sunlight, air quality), the air-condi-
tioning system controls the preset interior temper-
ature fully automatically.
Temperature, air quantity and air distribution can
be set individually/separately for the four air-
conditioned areas front left, front right, rear left
and rear right.
You can manually influence the automatic system.
The individual adjustment is shown on the air-con-
ditioning display.
Note on operation
The air conditioner settings are stored on the
respective remote control when switching off the
ignition and locking the vehicle. The “Air flow OFF”
setting is stored for approx. 60 minutes and the
“Recirculated air” setting is stored for approx.
20 minutes.
Control panel, front
A - Windscreen defrost
B - Heated rear window
C - AUTO button (automatic mode),
REST button (engine residual heat)
D - Recirculated air, automatic recirculated air
E - Air-conditioning display
F - Temperature sensor
G - Air quantity button, left
H - Temperature button, left
I - Air to windscreen, left
J - Air to footwell, left
K - Air to left central and side vents
L - Setting for rear air-conditioned areas
M- ECON button (air-conditioning compressor off/on)
N - Air to right central and side vents
O - Air to footwell, right
P - Air to windscreen, right
Q - Temperature button, right
R - Air quantity button, right
Air Conditioning, Parking Heater and Heated Rear Window 75
You can switch the front and rear air-conditioned
areas to automatic mode independently of each
other.
f Press AUTO button C on the front or rear
control panel.
The indicator light in button C of the front
control panel and the AUTO indicator in the
rear display panel light up.
Air quantity and distribution are automatically
controlled and variations are compensated.
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 AUTO
button C is pressed.
Switching automatic mode on/off
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 pillar
D - Air to footwell, left
K - Air to left central vent (centre console)
O - Seat heating off/on
P - Air to vent, right door pillar
Q - Air to footwell, right
R - Air to right central vent
(centre console right)
S - Temperature button, right; seat heating, right
T - Air quantity button, right
76 Air Conditioning, Parking Heater and Heated Rear Window
Setting temperature
To suit personal comfort, the interior temperature
can be adjusted individually between 16 °C and
29.5 °C for each of the four air-conditioned areas.
Recommendation: 22 °C.
The selected temperature is shown on the display
above the button.
Increase temperature
f Press button for temperature up.
Left air-conditioned area at front: button H
Right air-conditioned area at front: button Q
Left air-conditioned area at rear: button H
Right air-conditioned area at rear: button S
Reduce temperature
f Press button for temperature down.
Left air-conditioned area at front: button H
Right air-conditioned area at front: button Q
Left air-conditioned area at rear: button H
Right air-conditioned area at rear: button S
If “LO” or “HI” appears on the display, the system
is operating at maximum cooling or heating
power.
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 air quantity can be selected individually for
each of the four air-conditioned areas.
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 inte-
rior.
Increase air quantity
f Press button for air quantity up.
Left air-conditioned area at front: button G
Right air-conditioned area at front: button R
Left air-conditioned area at rear: button G
Right air-conditioned area at rear: button T
Reduce air quantity
f Press button for air quantity down.
Left air-conditioned area at front: button G
Right air-conditioned area at front: button R
Left air-conditioned area at rear: button G
Right air-conditioned area at rear: button T
Press AUTO button C to return to automatic
mode.
If the air quantity was reduced at the front control
panel so much that “OFF” appears on the display,
the supply of air from the outside is interrupted.
Warning!
Risk of accident due to impaired vision
caused by misted windows. The windows may
mist up in the air quantity setting “OFF”.
f Press button G up (increase air quantity).
Setting air quantity
Air Conditioning, Parking Heater and Heated Rear Window 77
Setting air distribution
The air quantity can be selected individually for
each of the four air-conditioned areas.
– Front control panel:
The air flows to the windscreen.
– Rear control panel:
The air flows to the corresponding side
window.
f Press button .
f Press button .
– Front control panel:
The air flows from the front central and side
vents.
– Rear control panel:
The air flows to the central vents.
f Vents must be open.
f Push button forward or back.
The air flows to the footwell.
Ending air distribution functions
f Press corresponding button again or press
AUTO C button.
Accepting settings for driver’s side for the
entire vehicle
The Mono function allows the temperature and air
quantity settings for the driver’s side to be
accepted for the entire vehicle.
Switching on MONO function
f Press button on the front control panel
for 2 seconds.
The text MONO appears on the air-conditioning
display.
Ending MONO function
f Press button on the front control panel
for 2 seconds or
f Change the settings in the air-conditioned
areas.
f Press button on the front control panel.
The indicator light in the button lights up.
The air flows to the windscreen and the front
side windows.
The windscreen is demisted or defrosted as
quickly as possible.
Ending the function
f Press button again or
f Press button .
f Press button on the front control
panel once.
The indicator light in the button lights up.
Control of the outside-air supply depends on
the air quality.
Note
The recommended operating mode is automatic
circulating-air mode.
Air to the windscreen and side
windows
Air to central and side vents
Air to footwell
Defrosting windscreen
Switching on automatic
circulating-air mode
78 Air Conditioning, Parking Heater and Heated Rear Window
Warning!
Risk of accident due to impaired vision.
In circulating-air mode, the windows may
mist up.
f Only select circulating-air mode for short
periods.
f If the windows mist up, switch circulating-air
mode off immediately by pressing the circu-
lating-air button again and select the “Defrost
windscreen” function.
f Press button on the front control panel
twice.
The indicator light in the button lights up.
The outside-air supply is interrupted and only
the inside air is circulated.
Note on operation
If the air-conditioning compressor is switched off
manually or automatically, circulating-air mode
ends after approx. 3 minutes.
ECON mode
Warning!
Risk of accident due to impaired vision.
The outside air that is flowing in is not dried
in Econ mode. The windows may mist up.
f Do not switch on ECON mode in damp
weather.
In ECON mode, the air-conditioning compressor is
switched off and this deactivates the cooling
function (e.g. to save fuel).
The air-conditioning compressor is always
switched off at temperatures below 3 °C.
Switching on ECON mode
f Press button .
The text ECON appears on the air-conditioning
display.The air-conditioning compressor is
switched off.
Switching off ECON mode
– If the interior temperature is too high,
press button or
Press button .
The text ECON disappears from the air-condi-
tioning display.
The air-conditioning compressor is switched
on.
Using engine residual heat
The residual heat of the engine can be used to
heat the interior for up to 20 minutes after the
ignition has been switched off.
f Press button on the front control
panel.
The air-conditioning settings cannot be
changed in REST mode.
Ending the function
f Press button .
Note on operation
If the battery voltage is too low, REST mode is
automatically ended.
Sensors
To avoid affecting the performance of the air-
conditioning system:
f Do not cover the sun sensor on the dashboard
and the temperature sensor F in the front
control panel of the air-conditioning system.
Switching on circulating-air mode
REST mode
Air Conditioning, Parking Heater and Heated Rear Window 79
Information on air-conditioning
compressor
The air-conditioning compressor:
– May switch off briefly to ensure sufficient
engine cooling if the engine is operating under
extreme load.
– Switches off automatically at temperatures
below approx. 3 °C and cannot be switched
on, even manually.
– Operates most effectively with the windows
closed.
If the vehicle has been in the sun for a long
time, it is a good idea to ventilate the interior
briefly with the windows open.
– Depending on the outside temperature and
humidity, condensation can drip from the
evaporator and form a pool under the car.
This is normal and not a sign of leakage.
f If uncooled air flows out when the lowest
temperature has been set (“LO”), switch off the
air-conditioning compressor and 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.
Disabling control panel for rear
air-conditioned areas
The power windows and central locking buttons on
the rear doors and the rear control panel for the
air conditioning can be disabled by means of the
safety button in the armrest of the driver’s door.
f Press the safety button to switch child
protection on and off.
The symbol in the safety button lights up if
child protection is active.
f Press button .
The symbol appears on the display.
The rear air-conditioned areas can be
controlled from the front control panel.
Ending the function
f Press button again.
Note on operation
f The function is ended automatically
10 seconds after the last settings are made.
Seat heating, rear
The rear seats can also be heated in vehicles with
four-zone air conditioning.
f For further information on operating the seat
heating:
Please observe the chapter “REAR SEAT HEAT-
ING FOR VEHICLES WITH 4-ZONE AIR CONDI-
TIONING” on Page 38.
Switching child protection on/off
Controlling rear air-conditioned
areas with the front control panel
80 Air Conditioning, Parking Heater and Heated Rear Window
A - Continuous opening and closing
B - Setting vent direction
Vents
f Rotate thumb wheel A upward.
f Rotate thumb wheel A downward.
Changing air flow direction
f Swivel the vent fins B in the desired direction.
Note on operation
Fresh air or conditioned fresh air can be delivered
from all vents depending on the air-distribution
setting.
Fresh-air intake
In order to ensure unhindered air intake:
f Keep the fresh-air intake between the
windscreen and the engine compartment lid
free from snow, ice and leaves.
Opening vents
Closing vents
Air Conditioning, Parking Heater and Heated Rear Window 81
The heated rear window is ready for operation
when the ignition is on.
Switching on
f Press button B.
The indicator light in the button lights up.
Depending on the outside temperature, the
heating switches off automatically after approx.
5 to 20 minutes.
The heating can be switched back on again by
pressing the switch again.
Switching off
f Press button B.
The indicator light in the button goes out.
Heated rear window
82 Air Conditioning, Parking Heater and Heated Rear Window
A - “–” button
B - TIMER button
C - ON/OFF button
D - “–” button
Parking heater
The parking heater features two functions: parking
heating and parking ventilation.
The parking heater is ready for use regardless of
the ignition key position.
The parking heater is also used as an auxiliary
heater. Operation of the parking heater is there-
fore clearly audible when outside temperatures
are low, even if the parking heater has been
manually switched off.
Danger!
Risk of poisoning! The parking heater
consumes fuel.
f Switch off the parking heater before refuelling.
f Do not operate the parking heater in enclosed
spaces (e.g. a garage).
The parking heater is operated using the following
buttons on the front air-conditioning control panel:
Notes on operation
The parking heater runs on fuel, and it therefore
cannot be switched on after the fuel reserve
warning lights up.
f For further information on the fuel reserve
warning:
Please observe the chapter “FUEL RESERVE
WARNING” on Page 122.
The parking heater must be operated at least
once per month with the engine cold.
Ignition off: When the parking heater is running,
the remaining running time is shown on the display
panel.
Operation of the parking heater is clearly audible
when outside temperatures are low and the engine
is cold.
Switch parking heater on/off,
activate programme
Start programming,
call up memory locations
Set ON times,
activate heating function
Set ON times,
activate ventilation function
Air Conditioning, Parking Heater and Heated Rear Window 83
Switching on
f Press ON/OFF button .
The most recently activated function (parking
heating or parking ventilation) is switched on.
Switching off
f Press ON/OFF button again.
Note on operation
f After switching off the parking heater with the
ON/OFF button , wait for at least
2 minutes before you press the button again.
The combustion chamber is being cleaned
during this time.
Switching parking heater on and off by
radio remote control
The parking heater radio remote control has a
range of up to 500 m. The range may be reduced
depending on structural and spatial conditions.
Illumination of the light-emitting diode on the
remote control indicates only that a transmitted
signal is being received. You can make sure that
the command has been executed successfully
only at the vehicle.
Switching on
f Keep button A of the remote control pressed
for approx. 2 seconds. The light-emitting diode
on the remote control lights up green.
Switching off
f Keep button B of the remote control pressed
for approx. 2 seconds. The light-emitting diode
on the remote control lights up red.
Note on operation
If the light-emitting diode of the remote control is
flashing, the parking heater could not be switched
on or off.
Check the range of the remote control and the
operational readiness of the parking heater in the
vehicle.
f Have the parking heater faults 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.
Switching parking heater on and
off on the control panel of the air
conditioning
84 Air Conditioning, Parking Heater and Heated Rear Window
E - Parking ventilation symbol
F - ON time symbol
G - Memory location symbol
H - ON time
I - Parking heating symbol
Programming the parking heater
The parking heater has three independent
memory locations for programming the ON times.
The ON time together with the associated parking
heating or parking ventilation function can be
programmed in each memory location.
Complete programming of the parking heater
requires definition of the
– Function and
– ON time.
Programming function
1. Switch ignition off.
2. Press TIMER button on the front air-condi-
tioning control panel.
The symbols for the parking heating I or
parking ventilation E functions flash on the
display.
3. Select function.
Press button for parking heating or
button for parking ventilation.
If no other entry is made within 10 seconds, the
display returns to its initial status.
However, the selected function is retained and is
activated when the system is next turned on.
Air Conditioning, Parking Heater and Heated Rear Window 85
Programming ON times
1. Switch ignition off.
2. Press button .
3. Select function (parking heating or parking ven-
tilation).
4. Select memory location with button .
The desired memory location can be selected
by pressing the button several times.
5. Set the ON time with buttons and .
The time is adjusted in minute steps each time
the buttons are pressed briefly. If the button is
kept depressed, the time is adjusted faster.
ON times are valid only for 24 hours.
6. Press ON/OFF button .
Displays F and G flash for approx. 10 seconds.
Flashing of the displays can be ended before
this time has elapsed by pressing the ON/OFF
button again.
After operation of the ON/OFF button , the
ON time H, clock symbol F and memory loca-
tion G are displayed for 2 minutes.
The display then goes out.
The parking heater has now been programmed
and the selected memory location is active
(the symbol G is lit).
Note on operation
Only one memory location can be active at any
one time.
Activating a memory location
The parking heater runs for 30 minutes. It then
switches itself off automatically.
The programme must be reactivated for each
subsequent operating cycle.
To do this:
1. Switch ignition off.
2. Press button .
3. Select function (parking heating or parking ven-
tilation).
4. Select memory location with button .
The ON time which was last saved is displayed.
5. Press ON/OFF button .
The programme is reactivated.
Displays F and G flash for approx. 10 seconds.
Flashing of the displays can be ended before
this time has elapsed by pressing the ON/OFF
button again.
After operation of the ON/OFF button , the
ON time H, clock symbol F and memory loca-
tion G are displayed for 2 minutes.
The display then goes out.
The parking heater has now been programmed
and the selected memory location is active
(the symbol G is lit).
Note on operation
Only one memory location can be active at any
one time.
Example
The parking heater is to activate the parking
heating function at 9:48 a.m.
To do this:
1. Switch ignition off.
2. Press button on the front air-condition-
ing control panel.
The symbols for the parking heating or parking
ventilation functions flash on the display.
3. Press button .
This selects the parking heating function.
4. Select memory location with button .
5. Set ON time to 9:48 a.m. using the and
buttons.
6. Press ON/OFF button .
The parking heater has now been programmed
and the selected memory location is active.
Note on operation
If the parking heater is switched on “manually”
prior to the programme start of an active memory,
this will delete the programming.
The memory location must be reactivated in this
case if this setting is desired.
The parking heater will not switch itself on if the
memory location is not reactivated.
86 Air Conditioning, Parking Heater and Heated Rear Window
Parking heater faults
Initial start-up following period of
non-utilisation
If you have not used the parking heater for several
weeks, the system may require the heater to be
switched on several times before it actually
“starts up”.
f Please wait between the individual
switch-on attempts for
approx. 5 minutes in each case.
Requirement for initial start-up of the
parking heater:
– Cold engine.
In the following instances, have the parking heater
inspected by a qualified specialist workshop:
– If the parking heater fails to “start up” after the
3rd switch-on attempt.
– If the parking heater has a fault, no function
symbol appears on the display, only the
remaining running time is displayed. The
display flashes on and off briefly and then goes
completely dark.
– In the event of a severe accident, the parking
heater is automatically switched off as a safety
precaution.
The parking heater is not ready for operation.
– If the temperature is too high, the overheating
protection automatically switches the parking
heater off. The parking heater is not ready for
operation.
– If the voltage level is too low, the parking
heater is automatically switched off. The
parking heater is temporarily unavailable.
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.

Related Topics

Overview of air-conditioning systems Opening the cover flap Manually controlled air-conditioning system Automatically controlled 2-zone air-conditioning Automatically controlled 4-zone air conditioning Vents Heated rear window Parking heater

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