2003 PORSCHE 911 CARRERA front light

OperationoftheABSsystem
Awheelspeedsensorismountedtoeachofthe
fourwheels.Ifwheellock-upofeitherofthe
frontwheelsortherearwheelsissensedduring
braking,thebrakepressureisadjustedautomat-
icallyuntilthewheelnolongerslips.Thebrake
pressureisregulatedforeachfrontwheelindi-
viduallyandforbothoftherearwheels
together.
Onaroadsurfacewhichisslipperyononlyone
side,therearwheelwhichisbrakingontheslip-
perysurfacedeterminesthebrakepressure
whichwillbeappliedequallytobothrearwheels.
Thisensuresthatdirectionalstabilityismain-
tained.However,ifbrakingforcesapproachthe
wheellock-uppointforallwheels(panicbraking)
theABSsystemwillintervenetoprovidearapid
rythmicbraking.
TheproperoperationofABSisperceivedbythe
driverasapulsatingbrakepedalinconjunction
withaudiblenoiseandperhapssomevibration.
I>Ifyouexperiencethesesensationswhiledriv-
ingoraroadsurfacewithquestionabletrac-
tion,reducevehiclespeedappropriateforthe
prevailingroadconditions.
Thefunctionalreadinessofallthemainelectrical
componentsoftheABSischeckedbyanelec-
tronicmonitoringsystembothbeforeandwhile
youdrive.

8
WarninglightUSA
@
WarninglightCanada

WhentheignitionisswitchedontheABSwarn-
inglightwilllightupwhilethesystemiselec-
tronicallyinterrogatedandgoesoutwhenthe
engineisstartedifthecheckisnotyetcom-
plete.
IftheABSwarninglampfailstogoout,thisindi-
catesthatABShasbeendeactivatedduetoa
fault.Ifthewarninglightsintheinstrumentpanel
andon-boardcomputerlightupwhileyouare
driving,thisindicatesthatafaulthasoccurred.
Inbothcases,normalbraking,asinvehicles
withoutABS,isstillretained.
TheABSsystemshould,however,beexamined
atanauthorizedPorschedealerimmediatelyto
preventtheoccurrenceoffurtherfaults.
I>IftheABSsystembecomesinoperative,take
yourvehicletoyourauthorizedPorsche
dealerimmediately.
/!\Warning!
ThecontrolunitoftheABSbrakesystemis
setforstandardtiresize.Ifnon-standard
tiresareinstalled,thecontrolunitmaymis-
interpretthespeedofthevehicle,because
ofthevariantdataitreceivesfromthesen-
sorsontheaxles.
I>Useonlytiremakesandtypestestedby
Porsche.
Controls,Instruments
57

-F-Cooling
System

Temperature
gauge
(ignitionon)
USA:Displayinof
Canada:Displayin°C
Pointertotheleft-enginecold
[>
Avoidhighenginespeedsandheavyengine
loading.
76Controls,Instruments
Pointerinthemiddle-normaloperatingtem-
perature
Thepointermaymoveuptotheredareawhen
engineisheavilyloadedandoutsidetemperature
ishigh,butshouldreturnto"normal"whenen-
gineloadisreduced.
Warninglight"Au
Ifthecoolanttemperatureistoohigh,the
warninglightcomeson.
Additionally,awarningisdisplayedintheon-
boardcomputer.
[>
Pullofftheroad,turnofftheengineandallow
tocool.
[>Checkradiatorandairpassagesinfrontend
ofcarforobstructions.
[>
Checkcoolantlevel.
Ifnecessary,addcoolantandhavefaultreme-
diedatanauthorizedPorschedealer.
Followthewarningsandinstructionsin
the"Coolantlevel"chapter.
Note
Topreventexcessivetemperatures,thecooling-
airpassagesmustnotberestrictedbycover-
ings(e.g.films,"stoneguards").
Ifthe
coolant
levelistoolow,thewarninglight
flashes.
Additionally,awarningisdisplayedintheon-
boardcomputer.
[>
Switchengineoffandallowtocool.
[>
Addcoolant.
[>
Havethecauseofthefaultremediedatan
authorizedPorschedealer.
Followthewarningsandinstructionsin
the"Coolantlevel"chapter.
/?\.Caution!
Riskofenginedamage.
[>
Ifthewarninglightcomesoneventhough
coolantleveliscorrect,donotcontinuedriv-
ing.
[>Havethefaultremediedatthenearest
authorizedPorschedealer.

Opening
luggage
compartmentlid
A.Caution!
Risk
ofdamagetoluggagecompartment
lidorwindshieldwipers.

I>Makesurethatthewindshieldwipersarenot
foldedoutforwardswhenopeningthelug-
gagecompartmentlid.
I>Raiselidslightlyandunlatchthesafetycatch
withthelever(arrow).
Closingluggagecompartmentlidand
enginecompartmentlid
I>Lowerlidandletitfallintothelock.Ifnecess-
ary,pushthelidwiththepalmofyourhandin
theareaofthelock.
I>Checkthatthelidhascorrectlyengagedin
thelock.

A.Warning!
Riskoflossofcontroloranaccident,re-
sultinginseriouspersonalinjury.

I>Shouldyounoticeatanytimewhiledriving
thatoneofthelidsisnotsecuredproperly,
pleasestopimmediatelyinasuitableplace
andcloseit.
Thefrontlidmayflyupimpairingvision.
Controls,Instruments
119

TrunkEntrapment
Dependingontheproductiondate,yourvehicle
isequippedwithaninternaltrunkreleasemech-
anism.
Apersontrappedintheluggagecompartment
canreleasethelidfromtheinsideusingun-
lockinghandleA.
ThehandleAisfluorescentandglowsinthe
dark.
122Controls,Instruments

e
Warninglight

Thewarninglightsintheinstrumentpanelandin
theon-boardcomputerlightupwhenunlocking
handleAisoperated.
I>Stopthevehicleimmediatelywhenthewarn-
inglightslightup.
I>Checktheluggagecompartment.
I>Closethelid.
Functionwithvehiclestationary
Iftheluggagecompartmentlidisunlockedwith
unlockinghandleA,thelidcanbeopenedfrom
theinsideimmediately.

Functionwithvehicleinmotion

Iftheluggagecompartmentlidisunlockedwith
unlockinghandleAwhenaspeedof3km/h
(2mph)isexceeded,thewarninglightsinthe
instrumentpanelandintheon-boardcomputer
lightup.
Atthesametime,thelidisunlockedandthe
latchstrikerpopsintothecatch-hookposition.
Thelidlockisfullyreleasedassoonasthecar
slowstolessthan2mph(3km/h),andthe
trappedpersoncanopenthelidimmediately.

A.Danger!
Riskofaccident.
Ifthewarninglightsintheinstrumentpanel
andintheon-boardcomputerlightup
whenthevehicleisinmotion,thelidmay
impactinfrontofthewindshieldandcan
tearoff.
Youcanlosecontrolofthevehicle.

I>Stopthevehicleimmediatelywhenthewarn-
inglightslightup.
I>Checktheluggagecompartment.
I>Closethelid.

Gearshifting
Thepositionsofthegearsareshownonthe
gearshiftlever.
/!\.Warning!
Riskofanaccident.
I>Alwayscheckthemovementoftheclutch
pedalbeforedrivingandmakesurethatitis
notobstructedbyafloormatoranyother
object.
I>Securethefloormattopreventitfromsliding
intopositionsthatcouldinterferewiththe
safeoperationofyourvehicle.
YourPorschedealercanofferyoufloormats
ofthecorrectsizeincludingasecuringpossi-
bility.
Toavoiddamagetotheclutchandtrans-
mission:
I>Alwaysdepresstheclutchpedalfullywhen
changinggears.
Makesurethatthegearshiftleveriscom-
pletelyengaged.
I>Onlyshiftintoreversewhenthecarhascome
toacompletestop.
128ShiftingGear
Reverse
I>Depresstheclutchpedalforseveralseconds
beforeshiftingintoreverse.
Onlythenmovethegearshiftlevertotheleft,
overcomingthespringtension,andthento
thefront.
Bothback-uplightscomeonwhenthetrans-
missionisputintoreverse(withignitionon).

Permittedenginespeed

~
I>Changeintoahighergearbeforetheneedle
reachestheredmarkonthetachometer,or
easeofftheaccelerator.
Iftheredzoneisreachedduringacceleration,
fuelfeedisinterrupted.
/!\.Caution!
Toavoidsevereenginedamage.
I>Alwaysobservetheenginerpmbeforedown-
shiftingtoalowergear,soyoudonotex-
ceedthemaximumenginerpm.

Slipmonitoring

Whenthespeedsofrotationofthefrontand
rearaxlesdifferbymorethanthemaximumper-
missiblevalue,integratedslipmonitoringshifts
uptothenextgear.
Thisincreasesdrivingstabilityonaslipperysur-
face.
Note
Slipmonitoringisalsodeactivatedwhen
PorscheStabilityManagement(PSM)isswitched
off.

Stopping

[>
Forabriefstop,e.g.atatrafficlight,leave
theselectorleverindrivepositionandhold
thevehiclewiththebrakepedal.
[>Foralongerstopwiththeenginerunning,
selectpositionN(neutral).
[>
Donotholdthecaronaslopeusingthe
accelerator.Usethebrakepedalorthehand-
brakeinstead.
[>Beforeleavingthevehicle,alwaysapplythe
handbrakeandmovetheselectorleverto
positionP.
134ShiftingGear

Parking

[>
Goeasyontheaccelerator.
[>
Whenparkingormanoeuveringinasmall
space,controlthespeedbycarefuluseof
thefootbrake.

Drivinginwinter

Inwinteryroadconditionsitisadvisabletotake
steepinclinesinmanualmode.Thispreventsthe
occurrenceofgearchangesthatcouldcause
wheelspin.

Tow-starting,towing

Refertothechapter"Towing".

Emergencyprogram

Atransmissionfaultisindicatedbythefollowing
symptoms:
-4th
gear
flashesonthedisplayoftheinstru-
mentcluster.
-Thewarning"Tiptronicemergencyrun"
appearsintheon-boardcomputer.
-Thetransmissionnolongershifts.
A.Warning!
Reverse
gear
lockmonitoringisdisabledin
theemergencyrunningprogram.
Damagetothevehiclemayresultaswell
aslossofcontrol,ifthevehicleismoving
forwardfastenoughtocauserearwheel
lockup.
[>
DonotshiftintoRwhilethevehicleismoving
forward.
Proceedasfollowsintheeventofatrans-
missionfault:
1.Stopinasafeplace.
2.MoveselectorlevertopositionP,switchthe
ignitionoffandwaitfor10seconds.
3.Starttheengine.
2ndgearinselectorpositionDandreverse
gearRarenowavailableandwillallowyouto
reachthenearestauthorizedPorschedealer.
4.Toremedythefault,pleaseconsultanauth-
orizedPorschedealerimmediately.

Engine-compartment
blower,

radiatorfan
Theradiatorandradiatorfansareinthefrontof
thecar.
Theengine-compartmentblowerismountedon
theenginecompartmentlid.
/?\.Warning!
Riskofinjury.
Aftertheengineisswitchedoff,theengine-
compartmentandcoolanttemperaturesare
monitoredforapprox.20minutes.
Duringthisperiod,anddependingontem-
perature,theengine-compartmentblower
andradiatorfansmaycontinuetorunor
starttorun.
I>Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
170Maintenance,CarCare
EngineOil
Engineoilconsumption
Itisnormalforyourenginetoconsumeoil.
Therateofoilconsumptiondependsonthe
qualityandviscosityofoil,thespeedatwhich
theengineisoperated,theclimate,roadcondi-
tionsaswellastheamountofdilutionandoxida-
tionofthelubricant.
Ifthevehicleisusedforrepeatedshorttrips,
andconsumesanormalamountofoil,theen-
gineoilmeasurementmaynotshowanydropin
theoillevelatall,evenafter600miles(1000
km)ormore.Thisisbecausetheoilisgradually
becomingdilutedwithfuelormoisture,makingit
appearthattheoillevelhasnotchanged.
Thedilutingingredientsevaporateoutwhenthe
vehicleisdrivenathighspeeds,asonanex-
pressway,makingitthenappearthatoilisex-
cessivelyconsumedafterdrivingathighspeeds.
Iftheconditionsyoudriveyourvehicleinare
dusty,humid,orhot,thefrequencyoftheoil
changeintervalsshouldbegreater.
Ifthevehicleisdrivenatahighrateofspeed,
climaticconditionsarewarm,andtheloadis
high,theoilshouldbecheckedmorefrequently,
asdrivingconditionswilldeterminetherateof
oilconsumption.
-Theengineinyourvehicledependsonoilto
lubricateandcoolallofitsmovingparts.
Therefore,theengineoilshouldbechecked
regularlyandkeptattherequiredlevel.
-Makeitahabittohavetheengineoillevel
checkedwitheveryfuelfilling.
-Theoilpressurewarninglightisnotanoil
levelindicator.
Theoilpressurewarninglightindicates
seriousenginedamagemaybeoccuring
whenlit,ifenginerpmisaboveidlespeed.

Fuel
/!\Warning!
Fuelishighlyflammableandharmfulto
health.
I>Fire,openflameandsmokingareprohibited
whenhandlingfuel.
I>Avoidcontactwithskinorclothing.
I>Donotinhalefuelvapors.

Topreventdamagetotheemissioncontrol
systemandengine:
I>
Neverdrivethetankcompletelyoutoffuel.

I>
Avoidhighcorneringspeedsafterthewarning
lightshavecomeon.
Followtheinstructionsinthe"FuelEconomy",
"EmissionControlSystem"and"Fuellevel
gauge"chapters.
Check
enginewarninglight

Ifthewarninglightsintheinstrumentpaneland
on-boardcomputercomeonandremainson
whiledriving,itsuggests:
-animproperlyfastenedtankcapor
-refuellingwithenginerunning.
176Maintenance,CarCare

Openingthefillerflap

Thefilleropeningisunderthefillerflapinthe
frontrightfender.

I>
Withthevehicleunlocked,pressonthefront
partofthefillerflap(arrow)toopentheflap.
Thefillerflapiscentrallylockedalongwiththe
otherlocks.

Ifthereisadefectintheautomaticunlock-
ingsystem:
I>
Openthepassengerdoor.

I>
Pulltheringintheright-handdooraperture
(arrow).