
116
Automatic air conditioning system, Heated rear window/Door mirror heating
A- Continuous opening and closing
B - Setting vent direction Central and Side Vents f Rotate knurled wheel upward.
f Rotate knurled wheel downward.
Changing air flow direction fMove the vanes to make the air flow in the
desired direction.
Outside air or conditioned air can be delivered
from all vents, depending on the air-distribution
setting on the operating panel.
Opening vents
Closing vents
Fresh-air Intake To ensure proper air intake:
f Keep the fresh-air inle t between the luggage
compartment lid and the windshield free from
snow, ice and leaves.

Automatic air conditioning system, Heated rear window/Door mirror heating
117
The heated rear window/door mirror heating is
ready for operation when the ignition is on.
Switching onfPress button.
The light-emitting diode in the button lights up.
After approx. 15 minutes, the heating switches off
automatically.
The heater can be switched back on by pressing
the button again.Switching offf Press button.
The light-emitting diode in the button goes out.
Heated Rear Window/Door
Mirror Heating

118
Automatic air conditioning system, Heated rear window/Door mirror heating

Warnings
167
Check left/right dipped beam (low
beam)
also applies to:
direction indicator, high beam, side in-
dicator light, reversing lightThe reported light is faulty. Check bulb.
Have the fault remedied
at an authorized
Porsche dealer.
Daytime
driving lights off Daytime driving lights switch off when the en-
gine is shut off. Switch
on lights if necessary.
Headlight beam
adjustment faulty Have the fault remedied
at an authorized
Porsche dealer.
Front lid not closed Close front lu ggage compartment lid properly.
Rear lid not closed Close rear luggage compartment lid properly.
Rain sensor faulty Have the faul t remedied at an authorized
Porsche dealer.
Steering wheel heating
ON Steering wheel heating was switched on.
Steering wheel heating
OFF Steering wheel heating was switched off.
Launch
control
active
Drive Off Assistant
failure Have the fault remedied
at an authorized
Porsche dealer.
Refill washer fluid
LIMIT
Cannot be accepted
with vehicle stopped The current speed can only
be accepted for the
acoustic warning signal when the vehicle is in
motion.
Instrument
panel On-board
computerText display on on-board
computer Meaning/measure

Maintenance, Car Care
199
How Emission Control Works When an automobile engine is running, it uses en-
ergy generated through the combustion of a mix-
ture of air and fuel. Depending on whether a car is
driven fast or slowly or whether the engine is cold
or hot, some of the fuel (hydrocarbons) may not
be burned completely, but may be discharged into
the engine crankcase or exhaust system. Additon-
al hydrocarbons may enter the atmosphere
through evaporation of fuel from the fuel tank.
These hydrocarbons (HC), when released into the
air, contribute to undesirable pollution.
In addition, carbon monoxide (CO) and oxides of
nitrogen (NOx) contribute to engine emissions.
They, too, are formed during the combustion proc-
ess and discharged into the exhaust system.
To reduce these pollutants, your Porsche is
equipped with a precisely calibrated fuel injection
system to assure a finely balanced air/fuel mixture
under all operating conditions.
Oxygen sensor The oxygen sensor, installed in the exhaust pipe
continuously senses the oxygen content of the
exhaust and signals the information to an electron-
ic control unit. The control unit corrects the air/
fuel ratio, so the engine always receives an accu-
rately metered air/fuel mixture. Crankcase ventilation Through crankcase ventilation, undesirable emis-
sions from the engine crankcase are not permit-
ted to reach the outside atmosphere. These emis-
sions are recirculated from the crankcase to the
air intake system. From here the emissions mix
with the intake air and are later burned in the en-
gine. Catalytic converters The catalytic converters are efficient “clean-up”
devices built into the exhaust system of the vehi-
cle. The catalytic converte rs burn the undesirable
pollutants in the exhaust gas before it is released
into the atmosphere.
The exclusive use of unleaded fuel is critical-
ly important for the life of the catalytic con-
verters. Therefore, only unleaded fuel must
be used. The catalytic converters will be damaged by:
– push or tow starting the vehicle
– misfiring of the engine
– turning off the ignition while the vehicle is mov-
ing or
– driving until the fuel ta nk is completely empty
– by other unusual operating conditions.
f Do not continue to operate your vehicle under
these conditions, since raw fuel might reach
the catalytic converters. This could result in
overheating of the converters. Federal law pro-
hibits use of leaded fuel in this car.

246
Practical Tips, Emergency Service
Connect jumper cables in the following
sequence: Always observe the sequence below:
1. Connect the positive lead (red) to the
positive terminal of the discharged battery
first, then connect it to th e positive terminal of
the donor battery.
2. First connect the negative cable (black) to
the negative terminal of the donor battery, then
connect it to a suitable grounding point on the
vehicle with the discharged battery.
This grounding point must lie as far as possible
from the battery.
For example, a solid metal part or the engine
block are suitable grounding points.
If no suitable grounding points are to be found
on either vehicle, the negative cable must
carefully be connected directly to the negative
terminal of the battery.
If a suitable grounding point is to be found only
on the donor vehicle, the negative cable must
first be connected to the terminal of the
discharged battery, then to the grounding point
of the donor vehicle.
3. Run the engine of the donor car at a higher speed. 4. Start the engine.
An attempted start using jumper cables should
not last more than 15 seconds. Then allow a
waiting period of at least one minute.
f Note
Before disconnecting the jumper cables, elec-
trical loads such as the heated rear window
and the heating fan blower should be switched
on (the vehicle’s lights must not be switched
on). This reduces voltage peaks which may oc-
cur when disconnecting the jumper cables.
With the engine running, remove both jumper
cables in reverse order.

276
Index
CCapacities, overview ................................... 271
Car care ........................ ............................ 203
Car telephone ............. ................................ 103
Car washes .................... ............................ 204
Cargo partition ........... .................................. 97
Carpet ....................................................... 209
Catalytic converters .... ................................ 199
Cautions ........................ .................... 186, 212
Central locking ........... ................................ 236
Emergency operation ...................... 19, 22
In cars with alarm system ...................... 21
In cars without alar m system ................. 19
Overload protection ............................ 236
Central vents .............. ................................ 116
Central warning light ................................... 132
Changing light-emitting diodes (LEDs) ........... 256
Changing wheels ........ ................................ 227
Check engine Warning light .......... ............................ 132
Check engine warning li ght .......................... 133
Opening the oil filler cap ...................... 189
Checking pressure ...... ................................ 228
Child restraint anchor age .............................. 54
Child restraint system s.................................. 50
Chime ............... ......................... ............ 78, 80
CHRONO Stopwatch.... ................................ 144
Cigarette lighter.......... .................................. 90
Circulating-air button ... ........................ 110, 114
Clock ............................................. .... 131, 164
Clutch ............... ............................. ...... 60, 176
Clutch pedal ............... .................................. 60
Combination filter ....... ................................ 201
Comfort seat .............. .................................. 33 Coming home mode ......
.......................... 79, 80
Communication manage ment ....................... 101
Compact disc
Player ...................... .......................... 102
Storage .................... ............................ 92
Compartment monitoring ................ ............... 25
Coolant ........... ........................... 128, 187, 271
Checking ............................................ 187
Level .................................................. 187
Temperature gage .... ..........................1
28
Topping off ........... .............................. 187
Warning light......... .............................. 128
Cooling system ............. ...................... 128, 187
Warning light......... .............................. 128
Cornering light .......... .................................... 78
Indicator light ........ .............................. 127
Crankcase ventilation .................................. 199
Cruise control ................................. 86, 87, 132
Cupholder ......................................... ........... 88
DData bank................................................... 264
Daytime driving lights .................................... 78
Changing bulbs ..... .............................. 256
On-board computer ............................. 164
Defrosting windows ....... ................ 31, 110, 114
Diagnostic socket ..... .................................... 11
Dimensions ....................................... ......... 272
Direction indicator lig ht, front ....................... 256
Door ............................ ................................ 18
Handles ................................................ 18
Locks....................... .................... 18, 205
Mirror....................... ............................ 30
Mirror heating ....... ................................ 31 Mirrors ....................
.............................29
Windows ...................... ...........18, 27, 206
Drive-Off Assistant ....... ................................177
Driving Hints .............. ........................................8
Winter ......................... .......................183
Driving off Drive-Off Assistant .... ...........................177
Launch Control......... ...........................181
Driving performance .... ................................270
Drop-center rim........... ................................223
EElectrical system..... ....................................235
Emergency flasher swit ch ..............................77
Emergency operation . ...................................22
Central locking ......... .......................19, 22
Ignition key ......... ..................................74
Lids................ ......................... ...........238
Tank flap ................. ...........................195
Emergency service ..... ................................212
Emergency starting with jumper cables.245, 246
Emission control system ..............133, 198, 199
Engine Checking the oil leve l ...........................161
Diagram ...................... .......................273
Exhaust ................... ...............................5
Number ..............................................265
Oil consumption ....... .....................10, 188
Oil level ................... ...........................189
Oil level indicator ...................... ...........161
Oils ............................................188, 271
Speeds.................... .............................10
Starting ................................................75

Index
277
Stopping .............................................. 76
Engine compartment Blower ....................... .................. 76, 128
Blower fan .............. ............................ 128
Care .................................................. 205
Engine oil Change .............................................. 190
Consumption ............................... ......... 10
Performance class .. ............................ 191
Recommendation ........ ........................ 190
Topping off............. ............................ 189
Viscosity ................ ............................ 191
Exhaust Pipes ......................... ............................ 5
System ................................................ 55
Tailpipes, stainless st eel ...................... 207
External antenna ......... ................................ 104
FFiller flap .................................................... 195
Fire extinguisher ........................................... 85
Flat tire ...................... ................................ 229
Floor mats.................. ................................ 209
Fluids ......................................................... 201
FM reception .............................................. 101
Fog light ........................ .............................. 80
Fog light, rear................. ........................ 78, 80
Fog lights
Changing bulb......... ............................ 254
Footbrake ........................................... ......... 56
Footwell lights ............ .................................. 69
Fresh air intake ........... ................................ 116
Front lid ......................... ...................... 94, 100
Front luggage compartm ent .......................... 94 Fuel .....................
..............................130, 195
Containers ................ ......................4, 197
Economy .................. ..........................194
Evaporation control .............................197
Fuels containing etha nol.......................197
Level gage ............... ..........................130
Level warning light ..............................130
Recommendation ........................196, 197
Recommendations .... ..........................196
Tank ..................................................196
Function keys ........... ....................................40
Fuses, replacing ....... ..................................237
GGarage
Door ....................................................76
Door opener .......................................106
Lift ............... ......................... .............232
Gear display ................. ......................120, 122
Gear shift indicator ......................................127
Glove compartment... ....................................92
Gong.................... ..............14, 73, 78, 80, 137
Ground clearance...... ......................................4HHandbrake.................... ................................55
Hands-free microphone ...............................104
Head restraints ......... ....................................32
Headlights .................... ..............................248
Adjusting .................. ..................257, 258
Beam adjustment .. ................................79
Changing bulbs ......... ..................249, 251
Cleaning system ...................82, 200, 271 Flasher ................................................ 81
Removing ................
.......................... 248
Heated rear window ..................................... 31
Heated rear window/Door mirror heating ..... 117
Heater ......................... .............................. 113
Heating ........................................... .......... 110
High beam Indicator light ....... .............................. 127
Lever....................... ...................... 78, 80
High beam, additional Changing bulb ...... .............................. 251
High-pressure cleaning units........................ 203
Home mode..................... ...................... 79, 80
HomeLink .................... .............................. 106
Hoods ............................. .................... 94, 100
Horn ........................................... .......... 12, 21
Hot exhaust pipes ... ....................................... 5
IIgnition key ............. ..................................... 72
Emergency operation ........................... 74
Ignition lock ............ ..................................... 72
Withdrawing ignition key,
PDK transmission ..................... .......... 180
Immobilizer ...................................... ............ 15
Indicator lights ................. .................. 120, 122
INFO Warning message s ............................. 140
Instrument
Illumination........... .............................. 124
Lights ...................... ...................... 78, 80
Panel ........................... ...... 120, 122, 166
Interior ............................................ ............ 69
Interior lights .......... ..................................... 69
Interior mirror ......... ..................................... 30