
Additionalfunctionsforvehicleswith
four-wheeldrive
–Pre-fillingthebrakesystem:Ifyousuddenlyandquicklytakeyourfootofftheacceleratorpedal,thebrakesystemgetspreparedforpossibleemergencybraking.Thebrakesystemispre-filledwhichlightlypressesthebrakepadsonthebrakediscs.
Brakeboost:Ifemergencybrakingdoesnothavesufficientpedalpressure,thebrakeboostproducesthebrakepressurenecessaryformaximumdecelerationonall4wheels.
ThePSMshouldalwaysbeswitchedon
during“normal”driving.
However,itmaybeadvantageoustoswitchoffPSMtemporarilyinexceptionalsituations,forexample:
–Onaloosesurfaceorindeepsnow,
–When“rockingthevehiclefree”and
–Whenusingsnowchains.
SwitchingoffPSM
PressPSMOFFbutton.PSMisswitchedoffafterashortdelay.Thelight-emittingdiodeinthebuttonisilluminated.WhenthePSMisswitchedoff,themultifunctionalPSMlightontheinstrumentpanelislitandamessageisshownbytheon-boardcomputer.Anacousticsignalalsosounds.
Vehicleswithfour-wheeldrive
WhenPSMisswitchedoff,theadditionalbrakingfunctionsaredeactivated.Theautomaticreactiva-tioninemergencysituationsiscoupledtothePSMcontrolinemergencysituations.
Thefollowingfunctionsstabilizethevehicleinemergencysituations,evenwithPSMswitchedoff:
–WhenPSMisoff,thevehicleisstabilizedassoonasoneofthetwofrontwheelsenterstheABScontrolrange.
–WhenPSMisoffandSportmodeison,thevehicleisstabilizedassoonasbothfrontwheelsentertheABScontrolrange.
One-sidedspinningofthewheelsisprevented,evenwithPSMswitchedoff.
SwitchingPSMbackon
PressPSMOFFbutton.PSMisswitchedonafterashortdelay.Thelight-emittingdiodeinthebuttonandthemultifunctionalPSMlightgoout.Theon-boardcomputershowsamessage.
Sportmode
Asportiercarset-upisobtainedwhenSportmodeisswitchedon.PSMinterventionsarelaterthaninNormalmode;thevehiclecanbemaneuveredwithgreateragilityatitsperformancelimits,withouttheneedtodispensewiththeassistanceofPSMinemergencysituations.Thishelpstoachieveoptimallaptimes,particularlyonracecircuitsandadryroadsurface.
80Controls,Instruments

Operation,Instruments
Overviewofthefunctions
1.Ignitionlock/steeringlock
2.Turnsignals/highbeam/headlightflasherstalk
3.Hands-freemicrophonefortelephone
4.Horn
5.Wiper/washerstalk,rearwindowwiper
6.Buttonforseatheating,left
7.Interiortemperaturesensor/GPSantenna
8.Stopwatch
9.Emergencyflasherswitch
10.Centrallockingbutton,readinessdisplayforalarmsystem
11.PorscheCommunicationManagement(PCM)
12.Buttonforseatheating,right
13.Cupholder
14.Lightswitch
15.Operatingleverforon-boardcomputer
16.Lockingleverforsteering-wheeladjustment
17.Operatingleverforautomaticspeedcontrol
18.Operatingpanelforairconditioning
19.Buttonsforrearspoiler,PorscheActiveSuspensionManagement(PASM),Sportmode,PorscheStabilityManagement(PSM),Sportsexhaustsystem
84Controls,Instruments

EmergencyFlasherSwitch
Operationalreadinessoftheemergencyflasherdoesnotdependontheignitionlockandturnsignalleverposition.
Ifyourcarisdisabledorparkedunderemer-gencyconditionsswitchontheemergencyflasherinthedashboard.Allturnsignalsandtheindicatorlightintheswitchflashwiththesamefrequency.
Warning!
Riskofaccident,resultinginseriouspersonalinjuryordeath.
Wheneverstalledorstoppedforemergencyrepairs,movethecarwellofftheroad.Switchontheemergencyflasherandmarkthecarwithroadflaresorotherwarningdevices.
Donotremaininthecar.Someoneapproach-ingfromtherearmaynotrealizeyourvehicleisstoppedandcauseacollision.
Warning!
Dangerofre.
Donotparkoroperatethevehicleinareaswherethehotexhaustsystemmaycomeincontactwithdrygrass,brush,fuelspillorotherflammablematerial.
Warning!
Hotenginecompartmentcomponentscanburnskinoncontact.
Beforeworkingonanypartintheenginecompartment,turntheengineoffandletitcooldownsufficiently.
Controls,Instruments153

PracticalTips,EmergencyService
ExerciseExtremeCautionwhenWorkingonyourVehicle.......................................................266Tires/Wheels..............................................267LoadingInformation.....................................278FlatTire......................................................281Liftingthevehicle........................................283WheelBolts................................................285Spacers.....................................................286Changingawheel........................................287ElectricalSystem........................................292Battery.......................................................295EmergencyStartingwithJumperCables........300Lights,ReplacingBulbs................................302Headlights..................................................304TailLight.....................................................312Additionalbrakelights..................................313LicensePlateLight......................................314LuggageCompartment-/EngineCompartment-/FootwellLight............................................315DoorGuard-/CurbLight................................316InteriorLight,ReadingLights........................317AdjustingHeadlights....................................318Towing.......................................................321
PracticalTips,EmergencyService265

wearoneandahalf(1-1/2)timesaswellonthegovernmentcourseasatiregraded100.Therelativeperformanceoftiresdependsupontheactualconditionsoftheiruse,however,andmaydepartsignificantlyfromthenormduetovariationsindrivinghabits,servicepracticesanddifferencesinroadcharacteristicsandclimate.
TractionAA,A,B,C
Thetractiongrades,fromhighesttolowest,areAA,A,B,andCandtheyrepresentthetire’sabilitytostoponwetpavementasmeasuredundercontrolledconditionsonspecifiedgovernmenttestsurfacesofasphaltandconcrete.AtiremarkedCmayhavepoortractionperformance.
Warning!
Thetractiongradeassignedtothisisbasedonbraking(straight-ahead)tractiontestsanddoesnotincludecornering(turned)traction,acceleration,hydroplaningorpeaktractioncharacteristics.
TemperatureA,B,C
ThetemperaturegradesareA(thehighest),BandC,representingthetire’sresistancetothegenerationofheatanditsabilitytodissipateheatwhentestedundercontrolledconditionsonaspecifiedindoorlaboratorytestwheel.Sustainedhightemperaturescancausethematerialof
thetiretodegenerateandreducetirelife,andexcessivetemperaturecanleadtosuddentirefailure.ThegradeCcorrespondstoalevelofperformancewhichallpassengercartiresmustmeetundertheFederalMotorVehicleSafetyStandardNo.109.GradesBandArepresenthigherlevelsofperformanceonthelaboratorytestwheelthantheminimumrequiredbylaw.
Warning!
Thetemperaturegradeforthistireisestab-lishedforatirethatisproperlyinflatedandnotoverloaded.Excessivespeed,underinfla-tion,orexcessiveloading,eitherseparatelyorincombination,cancauseheatbuildupandpossibletirefailure,resultinglossofcontrol,leadingtoseriouspersonalinjuryordeath.
Tirepressures
Warning!
Incorrecttirepressurecausesincreasedtirewearandadverselyaffectsroadhandling.Thiscouldleadtotirefailure,resultinginlossofcontrol,leadingtoseriouspersonalinjuryordeath.
Alwaysuseanaccuratetirepressuregaugewhencheckinginflationpressures.
Donotexceedthemaximumtirepressurelistedonthetiresidewall.
Pleaseobservethechapter”TIREPRESSUREPLATE”onpage327.
Coldtireinflationpressuremeans:alltiresmustbecold,ambienttemperaturemaximum(68°F/20°C),whenadjustingtheinflationpressure.Avoidsunlightstrikingthetiresbeforemeasuringcoldpressures,sincethepressureswouldrisefromtemperatureinfluence.
Valvecapsprotectthevalvefromdustanddirt,andthusfromleakage.Alwaysscrewcapstightlydown.Replacemissingcapsimmediately.
Useonlyplasticvalvecaps.
268PracticalTips,EmergencyService

–fourthfour-digitcodemeansdateofmanu-facture.If,forexample,thelastfournumbersread0204,thetirewasproducedinthe2ndweekof2004.
CTireplycompositionandmaterial
Thenumberoflayersinthetreadandsidewallsandtheirmaterialcomposition.
DMaximumpermissibleinationpressure
Themaximumpermissiblecoldinflationpressuretowhichatirecanbeinflated.
Donotexceedthepermissibleinflationpressure.
EMaximumLoadrating
Themaximumloadinkilogramsandpoundscanbecarriedbythetire.Ifyoureplacetiresalwaysuseatirethathasthesamemaximumloadratingasthefactoryinstalledtire.
FRadial
Theidentificationindicatesifthetirehasradialstructure.
GTermoftubelessortubetire
Identificationfortubelesstires.
Speedcodeletter
Thespeedcodeletterindicatesthemaximumpermissiblespeedforthetire.Thiscodeletterisshownonthetiresidewall.
T=upto118mph(190km/h)
H=upto131mph(210km/h)
V=upto150mph(240km/h)
W=upto167mph(270km/h)
Y=upto186mph(300km/h)
Tipondriving
TireswithamaximumspeedratingthatislowerthanthespecifiedmaximumvehiclespeedmaybemountedonlyiftheybearanM+Sidentificationonthetiresidewall.
Pleasenotethatinadditiontothewintertires,all-seasonandall-terraintiresarealsosubjecttospeedlimitsandbearthisidentification.
Inscriptiononlightalloywheels
Maintenancenote
Protectthevalveinsertsagainstsoilingwithvalvecaps.Useonlyplasticvalvecaps.Soiledvalveinsertscancauseagraduallossofair.
A-RimwidthininchesB-Rim-angecontourcodeletterC-Symbolfordrop-centerrimD-RimdiameterininchesE-DoublehumpF-Rimoffsetinmm
Noteonoperation
TherimwidthininchesAandtherimoffsetFarevisiblefromtheoutside.Thisinformationcanbefoundnearthetirevalve.
PracticalTips,EmergencyService277

5.ScrewfillerhoseBontothefillerbottle.Thefillerbottleisnowopen.
6.UnscrewvalvecapfromtirevalveF.
7.RemovevalveinsertEfromthetirevalvewithvalveturnerD.Keepthevalveinsertinacleananddryplace.
8.RemoveplugCofthefillerhoseB.
9.Pushfillerhoseontothetirevalve.
10.Holdfillerbottlehigherthanthelevelofthetirevalveandpressittogetherforcefullyuntilthebottleiscompletelyemptiedintothetire.
11.Pullfillerhoseoffthetirevalve.
12.Twistthevalveinsertfirmlyintothetirevalveusingthevalveturner.
13.Connectthecompressortothecigarettelighterandinflatethetiretotheprescribedtirepressure.
Pleaseobservethechapter”TIREPRESSURESFORCOLDTIRES”onpage334.
14.Screwvalvecapontothetirevalve.
15.Checkthetirepressureafterdrivingforaround10minutes.Ifthetirepressureislessthan22psi(1.5bar),donotcontinuedriving.Ifavalueofmorethan22psi(1.5bar)isindicated,correctthepressuretotheprescribedvalue.
16.PleaseconsultyourauthorizedPorschedealer.
CareInstructions
Afterdrying,anysealantthatemergescanbepeeledofflikeafilm.
Warning!
Riskofaccident,resultinginseriouspersonalinjuryordeath.
HavethetirereplacedbyanauthorizedPorschedealerimmediately.
Avoidhardaccelerationandhighcorneringspeeds.
Donotexceedmaximumspeedof50mph(80km/h).
Pleasealwaysobservethesafetyandoper-atinginstructions,whichcanbefoundintheseparateoperatinginstructionsforthesealantandonthecompressor.
A-Frontjackingpoint
Liftingthevehicle
Liftingthevehiclewithaliftingplatformor
garagelift
Thecarmustberaisedonlyattheillustratedjackingpoints.
PracticalTips,EmergencyService283

Changingawheel
Generalinformation
Warning!
Riskofseriouspersonalinjuryordeath.Thecarmayslipoffthejack.
Makesurethatnooneisinthevehiclewhenjackingupandchangingawheel.
Alwaysplacethecaronstablesupportsifworkhastobecarriedoutunderthecar.
Warning!
RiskofdamagetothebrakediscsofthePorscheCeramicCompositeBrake(PCCB).
Alwaysscrewinbothassemblyaidswhenchangingawheel.
Note
Thetoolsrequiredforchangingawheel(e.g.jack,wheelboltwrench,assemblyaids)arenotsuppliedwiththecar.YourauthorizedPorschedealerwillbepleasedtoadviseyou.
Procedure
1.Fullyapplythehandbrake,engage1stgearorselectpositionPandwithdrawtheignitionkey.
ScrewinassemblyaidforvehicleswithoutPorscheCeramicCompositeBrake
2.Securethecaragainstrollingaway,e.g.bymeansofwedgesunderthewheelsontheoppositeside.Thisisparticularlyimportantonslopes.
3.Slightlyslackenthewheelboltsofthewheeltobechanged.
4.Raisethecaruntilthewheelliftsofftheground.
Pleaseobservethechapter”LIFTINGTHEVEHICLEWITHALIFTINGPLATFORMORGARAGELIFT”onpage283.
ScrewintwoassemblyaidsforvehicleswithPorscheCeramicCompositeBrake
5.Remove1or2wheelbolts(seerespectiveillustration).Screwinassemblyaidsinsteadofthewheelbolts.Removetheremainingwheelbolts.
Noteonoperation
Toremoveormountthespacers:
Pleaseobservethechapter”5MMSPACERS”onpage288.
Pleaseobservethechapter”17MMSPAC-ERS”onpage290.
6.Takethewheeloffandputanewwheelon.
PracticalTips,EmergencyService287