2003 PORSCHE 911 CARRERA brakes

SelectorLeverPositions
P-Parking
lock
InselectorleverpositionP,thedrivenwheels
aremechanicallylocked.
[>
Selectonlywhencarhasbeenstopped.
[>Engageparkinglockafterapplyingthehand-
brakeandreleaseitbeforereleasingthe
handbrake.
Theignitionkeycanbewithdrawnonlyin
selectorleverposition
P.
R-Reverse

[>Selectonlywhencarhasbeenstoppedand
thebrakeisapplied.

N-Neutral

SelectorleverpositionNmustbeselectedfor
towingorincarwashes,forexample.
[>
Selectthedesiredpositionformovingoff(D,
MorR)onlywhentheengineisidlingand
whiledepressingthebrakepedal.
[>SelectpositionNwhiledrivingonlyifthecar
isthreateningtoskidinslipperyconditions.
OtherwiseNshouldnotbeselectedwhiledriv-
ing.
D-
Automaticselection
mode
[>
SelectpositionDfor"normal"driving.The
gearsareshiftedautomaticallyaccordingto
theacceleratorpositionandspeed.
Dependingonthewaythevehicleisdrivenand
ontheresistance(e.g.uphill),thegear-changing
pointsareshiftedtowardshigherorloweren-
gine-speedranges.
Theacceleratorposition,drivingspeed,engine
speed,longitudinalandlateralaccelerationand
theroadprofileallhaveaninfluenceonthe
gear-changingcharacteristic.
Unwantedupwardshifts,e.g.beforebends,are
preventedbyswiftlyreleasingtheaccelerator
pedal.
Dependingonlateralacceleration,upwardshifts
onbendsarenotmadeuntiltheengine-speed
limitisreached.
Underbraking,anddependingontheamountof
deceleration,theTiptronicshiftsdownearlier.
Forsubsequentcornering,therightgearisen-
gagedwhenpressureisappliedtothebrakes
beforethebend.
Thebendistakenintherightgear,andwhen
youaccelerateoutofthebendyoudonothave
toshiftdown.
Drivingoff
In2ndgear,thevehicledrivesoffwiththe
throttleonlyslightlyopen.
Driveoffin1stgearwiththethrottleopen
widerorwhentheengineiscold.
[>[>[>
ShiftingGear
131

BrakeFluidlevel
Followtheinstructionsinthe"Cautions"chapter.
Useonlynew(unused)OriginalPorsche
brakefluid.
174Maintenance,CarCare
/!\Warning!
Brakefluidishazardoustoyourhealth,and
maybefatalifswallowed.
Brakefluidalsoattackspaintwork.
~Keepbrakefluidoutofchildren'sreach.
~Takecarewhiletoppingoffbrakefluidnotto
soiltheluggagecompartmentoritemsoflug-
gage.
Checkingthebrakefluidlevel
Thereservoirforthehydraulicbrakingand
clutchsystemsisintheluggagecompartment.
~Checkthebrake-fluidlevelregularlyatthe
transparentreservoir.
Thefluidlevelshouldalwaysliebetweenthe
"Min."and"Max."marks.
Aslightdecreaseinthefluidlevelduetowear
andautomaticreadjustmentofthediscbrakes
isnormal.
If,however,thefluidlevelfallsmarkedlyor
belowthe"Min."mark,thebrakingsystemmay
havedevelopedaleak.
~Havethebrakingsystemcheckedimmediately
atanauthorizedPorschedealer.
Changingthebrakefluid
Brakefluidabsorbsmoisturefromtheairover
time.Thisaccumulationofwaterlowerstheboil-
ingpointand,undercertainoperatingcon-
ditions,canaffectthebrakingaction.
Thereforehavethebrakefluidchangedinac-
cordancewiththechangeintervalsstatedinthe
brochure"Maintenance".
..
WarninglightUSA
0
WarninglightCanada
Thebrake-fluidwarninglightsintheinstrument
panelandon-boardcomputerindicate:
-brake-fluidleveltoolow,
-inconjunctionwithlargepedaltravel,
abraking-circuitfailure.

Ifthewarninglightsshouldlightupwhile
driving:

~Stopimmediatelyinasuitableplace.
~Donotcontinuedriving.
Pleasehavethefaultremediedatyournear-
estauthorizedPorschedealer.

CarCareInstructions
Followtheinstructionsinthe"Cautions.
chapter.
Regularandcorrectcarehelpstomaintain
thevalueofyourcarandisalsoaprecon-
ditionfortheNewVehicleWarrantyandthe
AntiCorrosionWarranty.
YourauthorizedPorschedealerhasspe-
ciallydevelopedcar-careproductsfromthe
Porscheprogramavailableeithersinglyor
ascompletecar-caresets.Theywillbe
pleasedtohelpyouselectsuitablepro-
ducts.
WhetheryouusePorscheproductsorother
commerciallyavailablecleaningagentsfirst
makesureoftheircorrectapplication.
APorschethatiswell-caredforcanlooklike
newforyears.Italldependsontheamountof
caretheowneriswillingtogivethecar.
A.Warning!
Riskofseriouspersonalinjuryordamage
tothevehicleorproperty.
Cleaningagentsmaybehazardoustoyour
health.
Mostchemicalcleanersareconcentrates
whichrequiredilution.Highconcentrations
mightcauseproblemsrangingfromirrita-
tiontoseriousinjuryaswellasdamageto
yourvehicle.
I>Keepcleaningagentsoutofreachfromchild-
ren.
I>Observeallcautionlabels.
I>Alwaysreaddirectionsonthecontainerbe-
foreusinganyproduct.Thesedirectionsmay
containinformationnecessarytoavoidper-
sonalinjury.
I>Donotusefuel,kerosene,naphtha,nailpolish
removerorothervolatilecleaningfluids.They
maybetoxic,flammableorhazardousin
otherways.Onlyusespotremovingfluidsina
wellventedarea.
I>Donotcleantheundersideofchassis,fen-
ders,wheelcovers,etc.,withoutprotecting
yourhandsandarmsasyoumaycutyour-
selfonsharp-edgedmetalparts.
Moistureandroadsaltonbrakesmayaffect
brakingefficiency.
I>Testthebrakesaftereachvehiclewashing.
I>I>I>
Maintenance,CarCare
185

Washing
Thebestmethodofprotectingyourcarfrom
thedamagingeffectsoftheenvironmentisfre-
quentwashingandtheapplicationofapreserv-
ative.Theundersideofyourvehicleshouldalso
bewashedthoroughly,atthelatestwhensaltis
nolongerspreadontheroads.
Thelongersalt,roaddustandindustrialdust,
deadinsects,birddroppingsorsubstancesfrom
trees(resin,pollen)areallowedtoremainonthe
bodywork,themoreseriousistheirharmfulef-
fect.
Newcarsshouldbewashedcarefullywithplenty
ofclearwatertoprotectthenewpaintwork.
Darkpaintfinishesshowupthesmallestofsur-
facedamage(e.g.,scratches)morereadilythan
lightercolors.
Darkcolorsarealsomoresusceptibleto
scratchingbecauseofthecompositionoftheir
pigmentsandrequireparticularlycarefulpaint
care.
[>
Donotwashyourcarinbrightsunlightor
whilethebodyworkisstillhot.
[>Whenwashingbyhand,useabundantwater,
asoftspongeorwashbrush,andPorsche
carshampoo.
[>Beginbysprayingthebodythoroughlywith
watertorinseawayloosedirt.
186Maintenance,CarCare
[>
Afterwashing,rinsethecarwithplentyof
waterandthendrywithachamoisleather.
Donotusethesamechamoisleatherfor
dryingasyouuseforcleaningthewindshield
andwindows.
/!\.Warning!
Moisturewhichgetsontothebrakesduring
acarwashcanreducebrakingefficiencyor
makethebrakespullunevenlywhichcould
increasethedangerofanaccident,causing
seriouspersonalinjuriesordeath.
[>Alwaysapplythebrakesafewtimesafter
washingthecartotestbrakingefficiencyand
drythebrakediscs.
Whendoingthis,takecarenottohamper
otherroadusersbehindyou(trafficconditions
permitting).

Automatic
carwashes
Optionaladd-onpartsorpartswhichproject
beyondthecontoursofthevehiclemaybe
damagedbydesignfeatures(e.g.brushes)of
automaticcarwashes.
Thefollowing
parts
areparticularlysuscep-
tibletodamage:
-Windshieldwipers(alwaysswitchthemoffto
preventthemwipingunintentionallyinintermit-
tentorsensoroperation)
-Externaltelephoneantennas(alwaysunscrew)
-RoofTransportSystem(alwaysremovecom-
pletely)
-Fixedrearspoilerorextendedrearspoiler
-Wheels(thewidertherimandthelowerthe
tireheight,thegreatertheriskofdamage)
-High-glosswheels(topreventthesefromget-
tingscratched,donotcleanwiththewheel-
cleaningbrushesofthecarwash).
[>
Pleaseconsulttheoperatorbeforeusingauto-
maticcarwashes.
[>Washanddrybyhandallpointsnotreached
byacarwash,suchasdoorandlidseamsor
doorsills.
Note
Automaticcarwashesspraywateratodd
anglesandhighpressures,whicharenotseen
innormaldriving.Therefore,watercansome-
timesfinditswayintothepassengerscompart-
mentduringorshortlyafterthecarwash.

TiresIWheels
Theoriginalequipmenttiresandwheelrimson
yourPorschecomplywithallapplicableFederal
MotorVehicleSafetyStandards.
Foryoursafetyrememberthefollowing:
-Wheelrimsandwheelboltsarematchedtofit
yourPorsche.
-Ifyouintendtouseotherthanoriginalequip-
mentwheels,besurethattheyconformto
Porschespecificationsforyourmodel.
Onlytireswiththesamemakeandwiththe
samespecificationcode(e.g."NO","Nl"...J
canbemounted.
-Theuseofwheelrimsandwheelboltsthatdo
notmeetspecificationsoftheoriginalfactory
installedequipmentwillaffectthesafeoper-
ationofyourvehicle.
-Beforeyouplanonexchangingwheels,or
snowtiresalreadymountedonthewheel
rims,consultyourauthorizedPorschedealer.
Yourdealerhasthetechnicalinformation
necessarytoadviseyouwhichwheelrimsand
wheelboltsarecompatiblewiththeoriginal
factoryinstallations.
/!\Warning!
Riskoflossofcontrolandseriouspersonal
injury.
t>Ifwhiledriving,yourvehicleexperiencesa
suddenvibrationorridedisturbance,and/or
yoususpectthatpossibledamagetoyour
tiresorvehiclehasoccurred,youshouldim-
mediatelyreduceyourspeedwithoutex-
cessiveuseofthebrakes.
t>Stopthevehicleassoonaspossible,andin-
spectthetires.
Ifyoucannotdeterminethecauseforthedis-
turbance,haveyourvehicletowedtothe
nearestPorscheortiredealertohaveyour
vehicleortire(s)inspected.
t>Continuingtooperatethevehiclewithoutcor-
rectioncouldresultinalossofcontroland
seriouspersonalinjury.
t>t>t>
PracticalTips,EmergencyService
197

Index
A
ABS(antilockbrakesystem)56,57
Acousticwarningsignal84
Airbagsystems44,45
-Switchingoffpassengerairbag42-45
Airdistribution106-109
Airfilter183
Airconditioningsystem106-109
Alarmsystem24,25,126
Alcantara192
Antenna126,186
Antifreeze169
Antilockbrakesystem(ABS)56,57
Ashtray110
Audiooperation124,125
Auto-buttonairconditioningsystem106,107
Automatic
-Anti-glaremirrors29
-Doorlocking20
-Headlightadjustment100
-Lockingretractor40
-Speedcontrol72,104,105
Averageconsumption83,88,89
Averagespeed83,88,89
B
Backrest
-Adjustment32-37
-Release32,33,37
Battery120,215-219
-Warninglight72
Beforedrivingoff12,13
Bloweradjustment106-109
Brakes52-57,174
-Fluid174,250
-FluidwarningIight174
-Lights225,231
-Pads14,55
-Rollerbraketester59,61
Breakinhints14
Bulbs
-Chart223
-Replacing222-235
c
Cabriolet140-149
Canholder.115
Capacities,overview250
Carcare185-193
Cartelephone.126
Carwashes186
Cassettetape
-Player125
-Holder117
Catalyticconverters180
Cautions168,196
Centrallocking21-23
-emergencyoperation22
Changingwheels209-211
Checkenginewarninglight81
Childrestraint
-Anchorages41
-System41-43
-Switchingoffpassengerairbag42-45
CigarettelighterIII
Circulatingairbutton107
Clock79
Clotheshook116
Clutchpedal52
Collapsiblesparewheel206,207,211
Compactdisc
-Changer120,125
-Holder117
-Player120,125
Compressorforcollapsiblesparewheel121
Convertibletop140-149
-Care187
-Indicatorlight143
Coolant76,77,169,170
-Level169,170
-Temperaturegauge76
-Warninglight76
Coolingsystem76,169,170
Cruisecontrol72,104,105
Cupholder115
Index
259