2009 PORSCHE BOXSTER sensor

Instruments, On-Board Computer, Warnings
155
Warning!
Your vehicle has also be en equipped with a TPM
malfunction indicator to indicate when the system
is not operating properly.
The TPM malfunction indicator is combined with
the low tire pressure telltale.
When the system detects a malfunction, the tellta-
le will flash for approximately one minute and then
remain continuously illuminated. This sequence
will continue upon subsequent vehicle start-ups as
long as the malfunction exists.
When the malfunction indi cator is illuminated, the
system may not be able to detect or signal low tire
pressure as intended.
TPM malfuntions may occur for a variety of
reasons, including the installation of replacement
or alternate tires or wheels on the vehicle that
prevent the TPM from functioning properly.
Always check the TPM malfunction telltale after
replacing one or more tires or wheels on your
vehicle to ensure that the replacement or alter-
nate tires and wheels allow the TPM to continue to
function properly.
The warning light in the speedometer lights up:
– When a loss in pressure has been detected.
– When learning newly mounted wheels/wheel sensors, as long as the vehicle’s own wheels
have not yet been recognized. In the event of a defect in Tire Pressure Monitoring
or a temporary fault, the warning light in the
speedometer flashes for approx. one minute and
then remains continuously illuminated.
The tire pressure warning light in the instrument
panel goes out only when
the cause of the fault
has been rectified.
Partial monitoringMonitoring of the other wheels is continued if there
is a fault in one or two wheel transmitters.
– The tire pressure warning light lights up.
– The message “TPM partial monitoring” is displayed on the on-board computer.
– No tire pressures are displayed on the on- board computer for wheels with faulty wheel
transmitters.
No monitoringIn the event of faults the Tire Pressure Monitoring
cannot monitor the tire pressure.
The warning light in the speedometer flashes for
approx. one minute and then remains continuously
illuminated and a corresponding message
appears on the on-board computer.
Monitoring is not active when:
– the Tire Pressure Monitoring is faulty,
– wheel transmitters for the Tire Pressure Monitoring are missing,
– during the learning phase after the tire settings have been updated,
– after a wheel change without updating the tire settings,
– more than four wheel transmitters are detected,
– there is external interference by other radio sources, e.g. wireless headphones,
– tire temperatures are too high.
f Please see the chapter “WARNINGS ON THE
INSTRUMENT PANEL AND THE ON-BOARD
COMPUTER” on Page 162.
Warning light

Warnings
163
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
209
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.

Maintenance, Car Care
213
Car Care Instructions fPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 196.
Regular and correct care helps to maintain
the value of your car and is also a
precondition for the New Vehicle Warranty
and the Anti Corrosion Warranty.
Your authorized Porsche dealer has specially
developed car-care products from the
Porsche program available either singly or
as complete car-care sets. They will be
pleased to help you select suitable products.
Whether you use Porsche products or other
commercially available cleaning agents first
make sure of their correct application.
A Porsche that is well-cared for can look like new
for years. It all depends on the amount of care the
owner is willing to give the car.
Warning!
Risk of serious personal injury or damage to
the vehicle or property.
Cleaning agents may be hazardous to your
health.
Most chemical cleaners are concentrates
which require dilution. High concentrations
might cause problems ranging from irritation
to serious injury as we ll as damage to your
vehicle. f
Keep cleaning agents out of reach from chil-
dren.
f Observe all caution labels.
f Always read directions on the container before
using any product. These directions may con-
tain information necessary to avoid personal
injury.
f Do not use fuel, kerosene, naphtha, nail polish
remover or other volatile cleaning fluids. They
may be toxic, flammable or hazardous in other
ways. Only use spot removing fluids in a well
vented area.
f Do not clean the underside of chassis, fend-
ers, wheel covers, etc., without protecting
your hands and arms as you may cut yourself
on sharp-edged metal parts.
Moisture and road salt on brakes may affect brak-
ing efficiency.
f Test the brakes after each vehicle washing.
Decorative film Caution!
Risk of damage due to separation of the
decorative film when cleaning your vehicle with
high-pressure cleaning equipment or steam
cleaners.
f Do not use high-pressure cleaning equipment or steam cleaners for cl eaning decorative film.
High-pressure cleaning units,
steam
cleaners
Warning!
High-pressure cleaning units or steam clea-
ners can damage the following components:
–tires,
– logos, emblems,
– painted surfaces,
– alternator,
– ParkAssist sensors,
– convertible top.
f Please observe the operating instructions from
the unit manufacturer.
f When cleaning with a flat-jet nozzle or the like,
maintain a minimum distance of 20 inches (50
cm).
f Never use high-pressure cleaning units or
steam cleaners with a ro und-jet nozzle. A high-
pressure cleaning unit or steam cleaners with
round nozzle will damage your vehicle.
f The tires are particularly susceptible to dam-
age.
f Do not point the cleaning jet directly at any of the aforementioned components.

214
Maintenance, Car Care
Washing The best method of protecting your car from the
damaging effects of the environment is frequent
washing and the application of a preservative. The
underside of your vehicle should also be thorough-
ly washed for cinders, salt or sanding at winter’s
end.
The longer salt, road du st and industrial dust,
dead insects, bird droppi ngs or substances from
trees (resin, pollen) are allowed to remain on the
bodywork, the more serious is their harmful ef-
fect.
New cars should be washed carefully with plenty
of clear water to protect the new paint work. Dark
paint finishes show up the smallest of surface
damage (e.g., scratches) more readily than lighter
colors.
Dark colors are also more susceptible to scratch-
ing because of the compos ition of their pigments
and require particularly careful paint care.
f Do not wash your car in bright sunlight or while
the bodywork is still hot.
f When washing by hand, use abundant water, a
soft sponge or wash brush, and Porsche car
shampoo.
f Begin by spraying the body thoroughly with wa-
ter to rinse away loose dirt. f
After washing, rinse the car with plenty of wa-
ter and then dry with a chamois leather.
Do not use the same chamois leather for dry-
ing as you use for cleaning the windshield and
windows.
Warning!
Moisture which gets on to the brakes during
a car wash can reduce braking efficiency or
make the brakes pull unevenly which could
increase the danger of an accident, causing
serious personal injuries or death.
f After washing the car, test the brakes and
steering and briefly brake the discs dry.
When doing this, take care not to hamper other
road users behind you (traffic conditions permitting).
Automatic car washes
f Please see the chapter “WIPER BLADES” on
Page 212.
Optional add-on parts or parts which project
beyond the contours of the vehicle may be
damaged by design features (e.g. brushes) of au-
tomatic car washes. The following parts are particularly
susceptible to damage:
– Convertible top (hot wax treatment cannot be
used, as the wax attacks the convertible top
material)
– Windshield wipers (alw ays switch them off to
prevent them wiping unintentionally in intermit-
tent or sensor operation)
– External antennas (always unscrew)
– Rear spoiler
– Wheels (the wider the rim and the lower the tire height, the greater the risk of damage)
– High-gloss wheels (to prevent these from get- ting scratched, do not clean with the wheel-
cleaning brushes of the car wash).
f Please consult the operator before using auto-
matic car washes.
f Wash and dry by hand all points not reached by
a car wash, such as door and lid seams or
door sills.
Note
Automatic car washes spray water at odd angles
and high pressures, which are not seen in normal
driving. Therefore, water can sometimes find its
way into the passengers compartment during or
shortly after the car wash.

Practical Tips, Emergency Service
229
Parking at the curb
Warning!
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.
f If you are in doubt, have the wheel checked by
an expert, particularly if you suspect damage
on the inside.
f If you must drive over a curb or other obstacle,
drive slowly and at an obtuse angle. Exercise care when parking along curbs.
Wheel alignment, wheel balancing As 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 weight s 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 au-
thorized Porsche dealer.
Warning!
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 reme died, you might lose
control of your vehicle which could cause se-
rious personal injury or death.
f Stop the vehicle and check the tires.
f If no cause for the fault can be found, drive
carefully to the nearest authorized Porsche dealer.
Wheels with Tire Pressure Monitoring
(TPM) sensorsBefore changing wheels, make sure that the
wheels are compatible with your vehicle's TPM.
f Check this with your authorized Porsche
dealer.Removing and storing tires fAfter changing, adjust tire pressure and torque
wheel bolts diagonally to 94 ftlb (130 Nm).
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 perform-
ance are immune to the effects of storage and
age is unfounded.
Chemical additives, whic h make the rubber elas-
tic, lose their effectivene ss in the course of time
and the rubber becomes brittle and cracks.
Therefore, the tires should be inspected from
time to time.

288
Index
Interior
....................... .................................. 69
Interior lights ......... ....................................... 69
Interior mirror ............. .................................. 30
JJumper cables ............................................ 255KKey codes ...................... .............................. 15
Keys ................. ......................... ............ 15, 16LLATCH System ............... .............................. 54
Launch Control ........................................... 177
Leather care .............. ................................ 218
License plate light................................... 78, 80
Lids ........................................... ............ 93, 95
Emergency unlocking .......................... 248
Lifting vehicle ............. ................................ 242
Light
Daytime driving ....... .............................. 78
Flasher....................... ...... 78, 80, 81, 123
Low beam .................. .............. 78, 80, 81
Sensor for instrument illumination 116, 118
Switch........................ .............. 78, 80, 81
Light alloy wheels
Inscription .............. ............................ 233
Light functions, indivi dual............................... 81
Lights ................................................. ......... 69
Care .................................................. 218
Headlight beam adju stment ................... 79
LIMIT Acoustic warning signal for speed limit 133
Load switch-off ........... ................................ 246 Loading information ..
.................................. 234
Locking ........................ .......................... 20, 23
Low beam .................... ................................ 81
Luggage Net .......................... ............................ 91
Luggage compartment . ................................. 94
Lid ........................... ............................ 92
Lid warning light.... ................................ 92
Unlocking lid ......... ................................ 16
Luggage compartment/
engine compartment lid, warning lights ........... 92
MMaintenance ................. .............................. 196
Make-up mirror ............. ................................ 41
Maximum permitted engi ne speeds ................ 10
Manual transmission ............................ 172
Mirror Folding in.............. ................................ 30
Heating .................... .................... 31, 113
Inside ................................................... 29
Mirrors ............................. ...................... 29, 71
Anti-glare ................................... ........... 30
Multi-functional steeri ng wheel ........................ 40NNavigation .................... ................................ 97
Selection field, on-board computer ....... 146
Notes on
Car care ................... .......................... 213
Maintenance ............. .......................... 196
Number plate light ........ .......................... 78, 80
Changing bulb ....... .............................. 266
OOctane rating ...................................... 206, 207
Odometer ........................ ...........................121
Off delay .................... ............................79, 80
Oil...................... ............................. ...199, 281
Change........................ .......................201
Checking level.......... ...........................157
Consumption............ .............................10
Level checks............ ...........................199
Level indicator ......... ...........................157
Recommendation ......... .......................200
Topping off engine oi l ..........................200
OIL Display and measurement
of the engine oil leve l...................................157
On-board computer ..... ................................130
Basic settings .......... ...................131, 159
Calling on-board computer functions .....131
Functions and display possibilities ........131
General information . ............................160
Language versions ... ...........................159
Operation, controls... ...........................130
Selecting a radio station ......................146
Setting the clock ...... ...........................160
Switching daytime driving lights on/off ..160
Switching on navigation .......................146
Tire pressure warnings ........................152
Warnings and messag es ......................162
On-board literature ..........................................2
Operating voice contro l ...............................130
Operating your Porsche in other Countries ....204
Orientation light ...... ......................................69
Outside temperatur indicator........................127
Oxygen sensor............ ................................209

Index
289
PPaintCare .......................... ................ 213, 215
Data............... ......................... ........... 275
ParkAssistant ...................................... ......... 70
Parking
PDK transmission.... ............................ 179
Parking aids ............... ............................ 70, 71
Parking brake ............. .................................. 55
Warning light .......... .............................. 56
Parking light ............... ...................... 78, 80, 81
Particle filter ........... .................................... 211
Passenger compartment monitoring............... 25
PDK transmission ....... ................................ 174
Drive-Off Assistant... ............................ 173
Driving in winter .. ................................ 179
Faults................................................. 175
Kickdown ................... ........................ 177
Launch Control ....... ............................ 177
Manual selection mode ........................ 178
Reduced driving program .................... 180
Selector lever emerge ncy release ........ 269
Selector lever positi ons ....................... 176
Shifting gears on the steering wheel ..... 177
Sport mode ................ ........................ 176
Transmission fluid ............................... 211
Warning messages.. ............................ 180
Pen holder.................. .................................. 90
Plastic parts ............................................... 218 Care .................................................. 218
Platform lift ................ ................................ 242
Porsche Active Suspension Management
(PASM) ................................................ ......... 66
Sport mode ................ .......................... 66 Porsche Ceramic Composite Brake (PCCB) .......4
Porsche Communication Management (PCM)...97
Porsche Doppelkupplung
(PDK) ....................174
Drive-Off Assistant . ..............................173
Driving in winter .... ..............................179
Faults ....................... ..........................175
Kickdown.................. ..........................178
Launch Control.......... ..........................174
Manual selection mo de ........................178
Reduced driving program.....................180
Selector lever emergency release ........269
Selector lever position .................174, 176
Shifting gears on the steering wheel .....177
Sport mode .............. ..........................176
Transmission fluid ...............................211
Porsche Stability Manage ment (PSM) ..............63
Information light .... ................................65
Power steering fluid le vel .....................211, 281
Power windows ............. ........................18, 182
Practical tips ............ ..................................222
Putting vehicle into op eration.

......................251RRadiator fan..........................................76, 198
Radio reception ........ ....................................97
Rain sensor .............. ....................................82
Range on remaining fuel ......................131, 160
Rear fender
Retractable ........... ................................67
Rear lid ........................ ....................92, 93, 95
Rear spoiler .................. ..........................67, 68
Rear view mirrors...... ..............................29, 30
Rear window defogger ...........................31, 113
Rear window heating . ..................................113 Recirculating-air butt
on ............................... 110
Refuelling ........................................ .......... 206
Relays ......................... .............................. 245
Remote control ............ ................................ 16
Readiness ................ ............................ 17
Replacing battery ..................... .......... 254
Standby funktion .. ................................ 17
Synchronization.... ................................ 17
Replacement key.......... ................................ 15
Replacing bulbs....... ................................... 257
Replacing wiper blades ............................... 212
Retractable spoiler .. ..................................... 67
Rims Diameter ................. .......................... 233
Rim width................. .......................... 233
TPM sensors............ .......................... 229
Running in.................... ................................ 10
SSafety belts ............ ..................................... 42
Cleaning ............................................ 219
Tensioner ............................................ 42
Warning light ............ ............................ 43
Safety compliance sticker ........................... 274
Sealing set .................. .............................. 240
Seals .......................... .............................. 218
Care ........................ .......................... 218
Seat
Adaptive sports se at............................. 33
Adjustment .......................................... 32
Comfort seat ........... ............................ 33
Heating.................... ............................ 37
Memory ................... ............................ 35
Position ................... ............................ 32