
EmissionControlSystem
Intheinterestofcleanair
Pollutionofourenvironmenthasbecomeaproblemthatisofincreasingconcerntoallofus.Weurgeyoutojoinusinoureffortsforcleanerairincontrollingthepollutantsemittedfromtheautomobile.
Porschehasdevelopedanemissioncontrolsystemthatcontrolsorreducesthosepartsoftheemissionthatcanbeharmfultoourenvironment.YourPorscheisequippedwithsuchasystem.
PorschewarrantstheEmissionControlSysteminyournewcarunderthetermsandconditionssetforthintheWarrantyBooklet.
You,astheownerofthevehicle,havetherespon-sibilitytoprovideregularmaintenanceserviceforthevehicleandtokeeparecordofallmaintenanceworkperformed.Tofacilitaterecordkeeping,havetheserviceperformedbyauthorizedPorschedeal-ers.TheyhavePorschetrainedtechniciansandspecialtoolstoprovidefastandefficientservice.
Toassureefcientoperationofthe
EmissionControlSystem:
HaveyourvehiclemaintainedproperlyandinaccordancewiththerecommendationsdescribedinyourMaintenanceBooklet.Lackofpropermaintenance,aswellasimproperuseofthevehicle,willimpairthefunctionoftheemissioncontrolsystemandcouldleadtodamage.
Donotalterorremoveanycomponentoftheemissioncontrolsystem.
Donotalterorremoveanydevice,suchasheatshields,switches,ignitionwires,valves,etc.,whicharedesignedtoprotectyourvehicle’semissioncontrolsystem.Inadditiontoseriousenginedamage,thiscanresultinafireifexcessrawfuelreachestheexhaustsystem.
Donotcontinuetooperateyourvehicleifyoudetectenginemisfireorotherunusualoperatingconditions.
Parking
Warning!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotparkoroperatethevehicleinareaswherethehotexhaustsystemmaycomeincontactwithdrygrass,brush,fuelspillorotherflammablematerial.
Ifyourcarcatchesonfireforanyreason,callthefiredepartment.Donotendangeryourlifebyattemptingtoputoutthefire.
Undercoating
Danger!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotapplyadditionalundercoatingorrust-proofingonorneartheexhaustmanifold,exhaustpipes,catalyticconvertersorheatshields.Duringdrivingthesubstanceusedforundercoatingcouldoverheatandignite.
Maintenance,CarCare247

HowEmissionControlWorks
Whenanautomobileengineisrunning,itusesenergygeneratedthroughthecombustionofamixtureofairandfuel.Dependingonwhetheracarisdrivenfastorslowlyorwhethertheengineiscoldorhot,someofthefuel(hydrocarbons)maynotbeburnedcompletely,butmaybedischargedintotheenginecrankcaseorexhaustsystem.Additionalhydrocarbonsmayentertheatmospherethroughevaporationoffuelfromthefueltank.Thesehydrocarbons(HC),whenreleasedintotheair,contributetoundesirablepollution.
Inaddition,carbonmonoxide(CO)andoxidesofnitrogen(NOx)contributetoengineemissions.They,too,areformedduringthecombustionprocessanddischargedintotheexhaustsystem.
Toreducethesepollutants,yourPorscheisequippedwithapreciselycalibratedfuelinjectionsystemtoassureafinelybalancedair/fuelmixtureunderalloperatingconditions.
Oxygensensor
Theoxygensensor,installedintheexhaustpipecontinuouslysensestheoxygencontentoftheexhaustandsignalstheinformationtoanelectroniccontrolunit.Thecontrolunitcorrectstheair/fuelratio,sotheenginealwaysreceivesanaccuratelymeteredair/fuelmixture.
Crankcaseventilation
Throughcrankcaseventilation,undesirableemissionsfromtheenginecrankcasearenotpermittedtoreachtheoutsideatmosphere.Theseemissionsarerecirculatedfromthecrankcasetotheairintakesystem.Fromheretheemissionsmixwiththeintakeairandarelaterburnedintheengine.
Catalyticconverters
Thecatalyticconvertersareefficient“clean-up”devicesbuiltintotheexhaustsystemofthevehicle.Thecatalyticconvertersburntheundesirablepollutantsintheexhaustgasbeforeitisreleasedintotheatmosphere.
Theexclusiveuseofunleadedfueliscriticallyimportantforthelifeofthecatalyticconvert-ers.Therefore,onlyunleadedfuelmustbeused.
Thecatalyticconverterswillbedamagedby:
–pushortowstartingthevehicle
–misfiringoftheengine
–turningofftheignitionwhilethevehicleismovingor
–drivinguntilthefueltankiscompletelyempty
–byotherunusualoperatingconditions.
Donotcontinuetooperateyourvehicleundertheseconditions,sincerawfuelmightreachthecatalyticconverters.Thiscouldresultinoverheatingoftheconverters.Federallawprohibitsuseofleadedfuelinthiscar.
248Maintenance,CarCare

WiperBlades
Generalinformation
Whenwiperperformancedeteriorates,replacethewipers.
Pleaseobservethechapter”CARCAREINSTRUCTIONS”onpage257.
Caution!
Riskofdamageifthewiperarmaccidentallyfallsbackontothewindow.
Alwaysholdthewiperarmsecurelywhenreplacingthewiperblade.
Caution!
Riskofdamageifwiperbladesthatarefrozeninplaceareloosenedimproperly.
Thawthewiperbladesbeforelooseningthem.
Maintenancenote
PeriodicallycleanthewiperbladeswithPorschewindowcleaner,especiallyafterthevehiclehasbeenwashedinacarwash.Iftheyareverydirty(e.g.withinsectremains),theycanbecleanedwithaspongeorcloth.
Ifthewiperbladesruborsqueak,thiscanbeasaresultofthefollowing:
Ifthevehicleiswashedinanautomaticcarwash,waxresiduesmayadheretothewindshield.Thesewaxresiduescanberemovedbyusingwindowcleanerconcentrate.
Pleaseobservethechapter”WASHERFLUID”onpage250.
PleasecontactyourauthorizedPorschedealerforfurtherinformation.
Thewiperbladesmaybedamaged.
Replacedamagedwiperbladesassoonaspossible.
Changingwindshieldwiperblades
Caution!
Riskofdamage.Ifawiperbladeisnotchangedproperly,itcancomeloosewhenthecarismoving.
Checkwhetherthewiperbladeisseatedsecurely.Thewiperblademustengagethewiperarmproperly.
A-Passenger’sside,curvedwiperbladeB-Driver’sside,wiperbladewithspoiler
1.Applythehandbrake.
2.Switchthewipersoff(position0)andremovetheignitionkey.
3.Foldwindshieldwiperarmawayfromthewindshield.
4.Presstogethertheplasticspringofthewiperblade(rightarrow).Pullwiperbladeoutofwiperarm.
5.Insertnewwiperbladeuntilyoufeelitengage.Ensurethatthenewwiperbladeisinsertedintothewiperarminthesameposition:
Maintenance,CarCare255

–directionofthespoileronthedriverside,
–curvatureonthepassengerside.
6.Carefullyfoldwiperarmbackontothewind-shield.
Changingrearwindowwiperblade
Caution!
Riskofdamage.Ifawiperbladeisnotchangedproperly,itcancomeloosewhenthecarismoving.
Checkwhetherthewiperbladeisseatedsecurely.Thewiperblademustengagethewiperarmproperly.
Applythehandbrake.
Switchtherearwiperoff(position0)andremovetheignitionkey.
Foldwiperarmawayfromtheglass.
1.Presstogethertheplasticspringofthewiperblade.
2.Pullwiperbladeupwardsandoutofwiperarm.
3.Insertnewwiperbladeintothewiperarmfromabove.
4.Presstogethertheplasticspringofthewiperbladeandengageitinthewiperarmuntilitsnapsintoplace.
5.Carefullyfoldwiperarmbackontothewindow.
256Maintenance,CarCare

ExerciseExtremeCautionwhen
WorkingonyourVehicle
Danger!
Ignoringthefollowinginstructionsmaycauseseriouspersonalinjuryordeath.
Theenginecompartmentofanymotorvehicleisapotentiallyhazardousarea.Ifyouarenotfullyfamiliarwithproperrepairprocedures,donotattempttheadjustmentsdescribedonthefollowingpages.Thiscautionalsoappliestotheentirevehicle.
Onlyworkonyourvehicleoutdoorsorinawellventilatedarea.
Ensurethattherearenoopenflamesintheareaofyourvehicleatanytimewhenfuelfumesmightbepresent.Beespeciallycautiousofsuchdevicessuchashotwaterheaterswhichigniteaflameintermittently.
Beforeworkingonanypartintheenginecom-partment,turntheengineoffandletitcooldownsufficiently.Hotenginecompartmentcomponentscanburnskinoncontact.
Bealertandcautiousaroundengineatalltimeswhiletheengineisrunning.Ifworkhastobeperformedwiththeenginerunning,alwayssettheparkingbrake,andmakesuretheshiftleverisinneutralpositionortheselectorleverinpositionPorN.
Inparticular,beverycarefultoensurethatitemsofclothing(ties,shirt,sleevesetc.),jewelry,longhair,handorfingerscannotgetcaughtintheengine-compartmentblower,fan,beltsorothermovingparts.Theradiatorandradiatorfansareinthefrontofthecar.Theengine-compartmentblowerismountedontheengine-compartmentlid.Theengine-compartmentblowercanstartorcontinuerunningasafunctionoftemperature,evenwiththeengineswitchedoff.Carryoutworkintheseareasonlywiththeengineoff,theignitionswitchedoff,andexerciseextremecaution.
YourPorscheisequippedwithanelectronicignitionsystem.Whentheignitionison,highvoltageispresentinallwiresconnectedwiththeignitionsystem;therefore,exerciseextremecautionwhenworkingonanypartoftheenginewhiletheignitionisonortheengineisrunning.
Alwayssupportyourcarwithsafetystandsifitisnecessarytoworkunderthecar.
Whenworkingunderthecarwithoutsafetystandsbutwiththewheelsontheground,makesurethecarisonlevelground,thewheelsareblocked,andthattheenginecannotbestarted.Removetheignitionkey.
Donotsmokeorallowanopenflamearoundthebatteryorfuel.Keepafireextinguishercloseathand.
Incompleteorimproperservicingmaycauseproblemsintheoperationofthecar.Ifindoubtaboutanyservicing,haveitdonebyyourauthorizedPorschedealer.ImpropermaintenanceduringthewarrantyperiodmayaffectyourPorschewarrantycoverage.
Suppliesoffluids,e.g.engineoil,brakefluidorcoolant,arehazardoustoyourhealth.Keepthesefluidsoutofchildren’sreachanddisposeoftheminaccordancewiththeappropriateregulations.
Somecountriesrequireadditionaltoolsandspecialsparepartstobecarriedinyourvehicle.Pleasemakeenquiriesbeforedrivingabroad.
266PracticalTips,EmergencyService

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

ElectricalSystem
Generalinformation
Inordertoavoiddamageandfaultsinelectricalorelectronicsystems,electricalaccessoriesshouldbeinstalledatyourauthorizedPorschedealer.
OnlyuseaccessoriesauthorizedbyPorsche.
Warning!
Riskofshortcircuitandre,resultinginseriouspersonalinjuryordeath.Replacingfusesorrelayswiththeenginerunningortheignitiononcouldcauseelectricalshock.
Disconnectthebatteryduringallworkontheelectricalsystem.
Pleaseobservethechapter”BATTERY”onpage295.
Relays
Defectiverelaysshouldbechangedonlybyanauthorizedworkshop.
Instoragetraybetweenthefrontseats
Sockets
Electricalaccessoriesshouldpreferablybeconnectedtothe12Vsockets.
Pleaseobservethemaximumpowerconsump-tion.
Noteonoperation
Thetirefillingcompressormustbeconnectedtothecigarettelighter.
Inthepassenger’sfootwell
Noteonoperation
Thesocketsandthustheconnectedelectricalaccessorieswillfunctioneveniftheignitionisswitchedoffortheignitionkeyiswithdrawn.
Iftheengineisnotrunningandtheaccessoriesareswitchedon,thevehiclebatterywillbedischarged.Donotoperateadditionalaccessoriesformorethan5minuteswhenengineisoff.Continuingtodosomaydrainthebatterysuchthatitmaygocompletelydead.
Maximumpowerconsumptionforbothsocketstogether:70W.
292PracticalTips,EmergencyService

Pleaseobservethepowerspecificationsfromtheaccessorymanufacturer.
Alarmsystem,centrallocking
Thestatusofthecentrallockingandalarmsystemisnotchangedbydisconnectingthebattery.Whenthebatteryisdisconnected,thealarmsystemceasestofunction.
Overloadprotection
Ifthecentrallockingsystemisoperatedmorethantentimeswithinaminute,furtheroperationisblockedfor30seconds.
Loadswitch-offafter2hoursor7days
Iftheignitionkeyisremoved,loadswhichareswitchedonorareinstandbymode(suchastheluggagecompartmentlight,interiorlightandradio)areautomaticallyswitchedoffafterapprox.2hours.
Ifthevehicleisnotstartedorunlockedwiththeremotecontrolwithin7days,theremotecontrolstandbyfunctionisswitchedoff(tosavethevehiclebattery).
1.Inthiscase,unlockthedriver’sdoorwiththekeyatthedoorlock.Leavethedoorclosedinordertopreventthealarmsystemfrombeingtriggered.
2.Pressbutton1ontheremotecontrol.
Theremotecontrolisnowactivatedagain.
A-Diagnosticsocket
Replacingfuses
Inordertopreventdamagetotheelectricalsystemduetoshortcircuitsandoverloads,theindividualcircuitsareprotectedbyfuses.Thefuseboxislocatedinthedriver’sfootwell.
A-PlasticgripperB-Sparefuses
1.Switchofftheloadwiththedefectivefuse.
2.Pulloffplasticcoveratthefingerhole(arrow).Thefuseplanandinstructionsforemer-gencyunlockingoftheluggagecompart-mentlidcanbefoundontheinnersideofthecover.
3.RemovethecorrespondingfusefromitsslotusingtheplasticgripperAinordertocheckit.Ablownfusecanbeidentifiedbythemeltedmetalstrip.
4.Replaceonlywithfusesofthesamerating.
PracticalTips,EmergencyService293