
FuelEconomy
Fueleconomywillvarydependingonwhere,whenandhowyoudrive,optionalequipmentinstalled,andthegeneralconditionofyourcar.Acartunedtospecicationsandcorrect-lymaintained,willhelpyoutoachieveoptimalfueleconomy.
Haveyourvehicletunedtospecifications.Aircleanershouldbedirtfreetoallowproperengine“breathing”.Batteryshouldbefullycharged.Wheelsshouldbeproperlyaligned.Tiresshouldbeinflatedtothecorrectpres-sure.
Alwaysmonitoryourfuelconsumption.
Drivesmoothly,avoidabruptchangesinspeedasmuchaspossible.
Avoidjackrabbitstartsandsuddenstops.
Donotdrivelongerthannecessaryinthelowergears.Shiftingintoahighergearearlywithoutluggingtheenginewillhelpsavefuel.
Prolonged“warmup”idlingwastesgas.Startthevehiclejustbeforeyouarereadytodrive.Accelerateslowlyandsmoothly.
Switchofftheengineifstationaryforlongerperiods(trafficlights,jams,levelcrossings).
Anyadditionalweightcarriedinthevehiclereducesfueleconomy.Alwayskeepcargotoaminimumandremoveallunnecessaryitems.
Organizeyourtripstotakeinseveralerrandsinonetrip.
Allelectricalaccessoriescontributetoincreasedfuelconsumption.
Onlyswitchontheairconditioningwhennecessary.
TheEPAestimatedmilespergallon(mpg)istobeusedforcomparisonpurposes,actualmileagemaybedifferentfromtheestimatedmpg,dependingonyourdrivingspeed,weatherconditionsandtriplength.Youractualhighwaymileagewillprobablybelessthantheestimatedmpg.
Pleaseobservealllocalandnationalspeedlimits.
Maintenance,CarCare219

Fuel
Generalinformation
Warning!
Fuelishighlyammableandharmfultohealth.
Fire,openflameandsmokingareprohibitedwhenhandlingfuel.
Avoidcontactwithskinorclothing.
Donotinhalefuelvapors.
Warning!
Topreventdamagetotheemissioncontrolsystemandengine:
Neverdrivethetankcompletelyoutoffuel.
Avoidhighcorneringspeedsafterthewarninglightshavecomeon.
Pleaseobservethechapter”FUELECONOMY”onpage219.
Pleaseobservethechapter”EMISSIONCONTROLSYSTEM”onpage225.
Pleaseobservethechapter”FUEL”onpage221.
Checkenginewarninglight
Ifthewarninglightsintheinstrumentpanelandon-boardcomputercomeonandremainonwhiledriving,itsuggests:
–animproperlyfastenedtankcapor
–refuelingwithenginerunning.
Openingthellerap
Thefilleropeningisunderthefillerflapinthefrontrightfender.
Withthevehicleunlocked,pressonthefrontpartofthefillerflap(arrow)toopentheflap.
Thefillerflapiscentrallylockedalongwiththeotherlocks.
Maintenance,CarCare221

FuelRecommendations
YourPorscheisequippedwithcatalyticconvertersandmustuseUNLEADEDFUELONLY.
Yourengineisdesignedtoprovideoptimumperformanceandfueleconomyusingunleadedpremiumfuelwithanoctaneratingof98RON(93CLCorAKI).Porschethereforerecommendstheuseofthesefuelsinyourvehicle.
Porschealsorecognizesthatthesefuelsmaynotalwaysbeavailable.Beassuredthatyourvehiclewilloperateproperlyonunleadedpremiumfuelswithoctanenumbersofatleast95RON(90CLCorAKI),sincetheengine’s”ElectronicOctane™knockcontrol“willadapttheignitiontiming,ifnecessary.
TheuseofUNLEADEDFUELONLYiscriticallyimportanttothelifeofthecatalyticconvert-ers.Depositsfromleadedfuelswillruintheconvertersandmakeitineffectiveasanemis-sioncontroldevice.
Carswithcatalyticconvertershaveasmallerfueltankopening,andgasstationpumpshavesmallernozzles.Thiswillpreventaccidentalpumpingofleadedfuelintocarswithcatalyticconverters.
UnleadedfuelsmaynotbeavailableoutsidethecontinentalU.S.andCanada.Therefore,werecommendyoudonottakeyourcartoareasorcountrieswhereunleadedfuelmaynotbeavailable.
Octaneratings
Octaneratingindicatesafuel’sabilitytoresistdetonation.Therefore,buyingthecorrectoctanegasisimportanttopreventengine”damage“.
TheRONoctaneratingisbasedontheresearchmethod.TheCLC(U.S.CostofLivingCounciloctanerating)orAKI(antiknockindex)octaneratingusuallydisplayedonU.S.fuelpumpsiscalculatedasresearchoctanenumberplusmotoroctanenumber,dividedby2,thatiswrittenas:
RON+MONR+M
2or2
TheCLCorAKIoctaneratingisusuallylowerthantheRONrating:
Forexample:95RONequals90CLCorAKI.
Fuelscontainingalcoholandether
SomeareasoftheU.S.requireoxygenatedfuelsduringcertainportionsoftheyear.Oxygenatedfuelsarefuelswhichcontainalcohols(suchasmethanolorethanol)orether(suchasMTBE).
Undernormalconditions,theamountofthesecompoundsinthefuelwillnotaffectdriveability.
YoumayuseoxygenatedfuelsinyourPorsche,providedtheoctanerequirementsforyourvehiclearemet.Werecommend,however,tochangetoadifferentfuelorstationifanyofthefollowingproblemsoccurwithyourvehicle:
–Deteriorationofdriveabilityandperformance.
–Substantiallyreducedfueleconomy.
–Vaporlockandnon-startproblems,especiallyathighaltitudeorathightemperature.
–Enginemalfunctionorstalling.
FuelscontainingMMT
SomeNorthAmericanfuelscontainanoctaneenhancingadditivecalledmethylcyclopentadienylmanganesetricarbonyl(MMT).
Ifsuchfuelsareused,youremissioncontrolsystemperformancemaybenegativelyaffected.
Thecheckenginewarninglightonyourinstrumentpanelmayturnon.Ifthisoccurs,Porscherecom-mendsyoustopusingfuelscontainingMMT.
224Maintenance,CarCare

WasherFluid
Capacity
–Withoutheadlightcleaningsystem:approxi-mately2.6quarts(2.5liters).
–Withheadlightcleaningsystem:approximately6.3quarts(6liters).
Washeruid
Generalinformationonwasheruid
Thereservoir,withabluescrewcap,isinthefrontluggagecompartment,totherearleft.
Cleanwaterisgenerallynotenoughtocleanthewindshieldandheadlights.Dependingontheseason,mixthewaterwiththeappropriateadditives.Followtheinstructionsforthemixtureratio.
Onlyusewindowcleanerconcentratewhichmeetsthefollowingrequirements.
–Dilutability1:100
–Phosphate-free
–Suitableforplasticheadlightlenses.
WerecommendwindowcleanerconcentratesapprovedbyPorsche.YourauthorizedPorschedealerwillbepleasedtoadviseyou.
Summerlling
Water+windowcleanerconcentrateatthemixingratioindicatedonthecontainer.
Winterlling
Water+antifreezeprotection+windowcleanerconcentrateatthemixingratioindicatedonthecontainer.
Pleasenotealltheinformationonthecontain-ersofthewindowcleanerconcentrateortheantifreezeprotection.
Addingwasheruid
1.Pleasenotealltheinformationontherefillcontainerofthecleaningagent.
2.Opencapofthewasher-fluidreservoir(arrow).
3.Addwasherfluidandclosecapproperly.
Donotuseenginecoolantanti-freezeoranyothersolutionthatcandamagethecar’spaint,inthewasherreservoir.
Warninglight
Iflessthan0.52quarts(0.5liter)remains,awarningmessageappearsontheon-boardcomputer.
Addwasherfluid.
228Maintenance,CarCare

CarCareInstructions
Long-termmaintenanceofvalue
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage208.
Regularandcorrectcarehelpstomaintainthevalueofyourcarandisalsoaprecondi-tionfortheNewVehicleWarrantyandtheAntiCorrosionWarranty.
YourauthorizedPorschedealerhasspeciallydevelopedcar-careproductsfromthePorscheprogramavailableeithersinglyorascompletecar-caresets.Theywillbepleasedtohelpyouselectsuitableproducts.
WhetheryouusePorscheproductsorothercommerciallyavailablecleaningagentsrstmakesureoftheircorrectapplication.
APorschethatiswell-caredforcanlooklikenewforyears.Italldependsontheamountofcaretheowneriswillingtogivethecar.
Warning!
Riskofseriouspersonalinjuryordamagetothevehicleorproperty.Cleaningagentsmaybehazardoustoyourhealth.Mostchemicalcleanersareconcentrateswhichrequiredilution.Highconcentrationsmightcauseproblemsrangingfromirritationtoseriousinjuryaswellasdamagetoyourvehicle.
Keepcleaningagentsoutofreachfromchildren.
Observeallcautionlabels.
Alwaysreaddirectionsonthecontainerbeforeusinganyproduct.Thesedirectionsmaycontaininformationnecessarytoavoidpersonalinjury.
Donotusefuel,kerosene,naphtha,nailpolishremoverorothervolatilecleaningfluids.Theymaybetoxic,flammableorhazardousinotherways.Onlyusespotremovingfluidsinawellventedarea.
Donotcleantheundersideofchassis,fenders,wheelcovers,etc.,withoutprotectingyourhandsandarmsasyoumaycutyourselfonsharp-edgedmetalparts.
Moistureandroadsaltonbrakesmayaffectbrakingefficiency.
Testthebrakesaftereachvehiclewashing.
Carwashing
Washing
Thebestmethodofprotectingyourcarfromthedamagingeffectsoftheenvironmentisfrequentwashingandtheapplicationofapreservative.Theundersideofyourvehicleshouldalsobethoroughlywashedforcinders,saltorsandingatwinter’send.
Thelongersalt,roaddustandindustrialdust,deadinsects,birddroppingsorsubstancesfromtrees(resin,pollen)areallowedtoremainonthebodywork,themoreseriousistheirharmfuleffect.
Newcarsshouldbewashedcarefullywithplentyofclearwatertoprotectthenewpaintwork.Darkpaintfinishesshowupthesmallestofsurfacedamage(e.g.,scratches)morereadilythanlightercolors.
Darkcolorsarealsomoresusceptibletoscratch-ingbecauseofthecompositionoftheirpigmentsandrequireparticularlycarefulpaintcare.
Donotwashyourcarinbrightsunlightorwhilethebodyworkisstillhot.
Whenwashingbyhand,useabundantwater,asoftspongeorwashbrush,andPorschecarshampoo.
Beginbysprayingthebodythoroughlywithwatertorinseawayloosedirt.
Maintenance,CarCare233

damagedbydesignfeatures(e.g.brushes)ofautomaticcarwashes.
Thefollowingpartsareparticularlysuscepti-bletodamage:
–Convertibletop(hotwaxtreatmentcannotbeused,asthewaxattackstheconvertibletopmaterial),
–Windshieldwipers(alwaysswitchthemofftopreventthemwipingunintentionallyinintermittentorsensoroperation)
–Externaltelephoneantenna(alwaysunscrew)
–Fixedrearspoilerorextendedrearspoiler
–Wheels(thewidertherimandthelowerthetireheight,thegreatertheriskofdamage)
–High-glosswheels(topreventthesefromgettingscratched,donotcleanwiththewheel-cleaningbrushesofthecarwash).
Pleaseconsulttheoperatorbeforeusingautomaticcarwashes.
Washanddrybyhandallpointsnotreachedbyacarwash,suchasdoorandlidseamsordoorsills.
Note
Automaticcarwashesspraywateratoddanglesandhighpressures,whicharenotseeninnormaldriving.Therefore,watercansometimesfinditswayintothepassengerscompartmentduringorshortlyafterthecarwash.
Doorlocks
Topreventthedoorlocksfromfreezingduringthecoldseason,thelockcylindersshouldbecoveredduringawash.
Shouldthelocksfreeze,useanordinaryde-icer.Inmanycases,awellwarmedkeycanhelp.Neveruseexcessiveforce.
Paint
Neverrubadustycarwithadryclothsincedustparticlesareabrasiveandcoulddullanddamagethesurfacefinish.
Thepaintworkofyourcarisexposedtoalltypesofmechanicalandchemicalconditions,particularlyclimaticonessuchasbrightsunlight,rain,frostandsnow.Ultravioletlight,rapidchangesintemperature,rain,snow,industrialdustandchemicaldepositsconstantlyattackthepaintwhichisonlyabletowithstandsuchexposureinthelongtermifitisgivenregularcareandattention.
Donotapplysiliconepolishestothewind-shield,windowsorconvertibletop.
Donottreatmatt-paintedcomponentswithpreservativesorpolishesasthiswillspoilthematteeffect.
Preservation
Thepaintsurfacebecomesdullovertimeduetoweathering.Itisthereforenecessarytopreservethepaintregularly.
Thiskeepsthepaintshinyandelastic.Dirtispreventedfromadheringtothepaintsurfaceandindustrialdustispreventedfrompenetratingthepaint.
Provideditiswashedandtreatedwithpreservativeregularly,thebrandnewfinishofyourvehiclewillberetainedforyearstocome.
Maintenance,CarCare235

Simplyapplypaintpreservativeafterwashingthevehicleandpolishitsmooth.
Polishing
DonotresorttousingPorschepolishuntilitbecomesevidentthatthenormalpreservativesnolongerproducethedesiredfinish.
Spotsandstains
Removetarstains,grease,oilspotsanddeadinsectsassoonaspossiblewithInsectRemover.Theycancausediscolorationifallowedtoremainonthepaintwork.
Washtheaffectedareaimmediatelyaftertreatingit.
Minorpaintdamage
Haveminorpaintdamage,suchasscratches,scoresorchipscausedbyflyingstones,repairedimmediatelybyyourauthorizedPorschedealerbeforecorrosionsetsin.
However,iftherearealreadytracesofcorrosion,theymustfirstberemovedcarefullyandthorough-ly.Coattheareawitharust-proofingprimerandfinishoffwithatopcoat.ThepaintcodeandcolornumberarefoundonthedatabankintheMainte-nancebookletandonthefillerflap.
Cleaningandpreservingengine
compartment
Theenginecompartmentandthesurfaceoftheenginearetreatedwithacorrosion-inhibitoratthefactory.
Ifdegreasingsolventsareusedtocleantheenginecompartmentortheengineiswasheddown,theprocessalmostinvariablyremovesthecorrosion-inhibitingcoating.Itisthenabsolutelynecessarytohaveadurablepreservativeappliedtoallsurfaces,bodyseams,jointsandassembliesintheenginecompartment.Thisalsoapplieswhencorrosion-inhibitorpartsarereplaced.
Caution!
Riskofdamagetothealternator.
Donotpointthecleaningjetdirectlyatthealternator,orcoverthealternator.
Effectivecorrosion-proofingisparticularlyimpor-tantduringthecoldweatherseason.Ifyourcarisdrivenfrequentlyinareaswheresalthasbeenspreadontheroads,thewholeenginecompart-mentshouldbecleanedthoroughlyafterthewintertopreventsaltfromcausinganylastingdamage.Afullunder-bodywashshouldalsobeperformedatthesametime.
Windows
Theroaddustwhichsettlesonthewindshieldandwindowscontainsparticlesoftirerubberandoilresidue.Theinteriortrimandupholsteryreleaseparticles,particularlyinstrongsunlight,whichcollectontheinsidesofthewindows.Thesedepositsareaugmentedbyimpuritiesintheairwhichentersthecarthroughthefreshairvents.
Cleanallwindowsregularly,insideandoutside,withPorschewindowcleaner.
Ifyouuseachamoisleatherforthewindows,donotuseitforpaintworkasitwillotherwisepickupacertainamountofpreservativeorpolishandcouldsmearthewindowsandthusimpairvision.
RemovedeadinsectswiththePorscheinsectremover.
Note
Doorwindowsfeatureawater-repellent(hydropho-bic)coatingwhichpreventssoilingofthewindows.
Thiscoatingissubjecttonaturalwearandcanberenewed.
ConsultanauthorizedPorschedealer.
Wiperblades
Wiperbladesthatareinperfektconditionarevitalforaclearview.
236Maintenance,CarCare

Headlights,lights,interiorandexterior
plasticparts,adhesivelms
Useonlycleanwaterandalittledishwashingdetergenttocleanlightlenses,plasticheadlightlenses,plasticpartsandsurfaces.Donotcleanwhendry.Useasoftspongeorasoft,lint-freecloth.Gentlywipethesurfacewithoutapplyingtoomuchpressure.ThePorscheinsidewindowcleanerisalsosuitableforcleaningplasticsurfaces.Followthecleaninginstructionsonthecontainer.Neveruseotherchemicalcleanersorsolvents.
Rinsecleanedsurfaceswithclearwater.
Lightalloywheels
Pleaseobservethechapter”WASHING”onpage233.
Warning!
Dangerofaccidentresultinginseriouspersonalinjuryordeathifcleaningagents(e.g.wheelcleaningagents)comeintocontactwiththebrakediscs.Theresultinglmonthebrakediscscanimpairbrakingperformance.
Makesurethatnocleaningagentcomesintocontactwiththebrakediscs.
Ifcleaningagenthascomeintocontactwiththebrakediscs,thoroughlycleanthebrakediscswithastrongjetofwater.
Payingattentiontoanyroadusersbehindyou,drythebrakediscsbyapplyingthebrakesatshortintervals.
Pittingmayoccurifmetallicparticleswhichcausecontactcorrosion(e.g.brassorcopperinbrakedust)areallowedtoremainonthealuminumfortoolong.
Ifpossible,washthewheelswithaspongeorwashbrushabouteverytwoweeks.Inareaswheresaltisspreadonwinterroadsorthereisalotofairborneindustrialdust,itisbesttocleanthewheelsweekly.ThePorscheLightAlloyWheelCleaner(ph-value9.5)canbeusedforthispurpose.Iftheph-valueofthedetergentisincorrect,theprotectivecoatingonthewheelswillbedestroyed.
Polisheswhichdissolveoxides,suchasthosefrequentlyusedforothermetals,orabrasivetoolsoragentsareunsuitablebecausetheybreakdowntheoxidelmoftheprotectivecoatingandwillcausediscolorationofthewheel.
Everythreemonths,aftercleaning,coatthewheelswithacarwaxornon-corrosivegrease(vaseline).Usingacleancloththoroughlyrubthegreaseintothesurface.
Leather
Characteristicsandspecialfeatures
Thenaturalsurfacemarkingsofleather,e.g.creases,healedscars,insectstingmarks,structuraldifferencesandslightvariationsinshadeandgrainaddtotheattractivenessofthenaturalleatherproduct.
Aspecialmentionmustbemadehereofnaturalleather.Fornaturalleather,carefullyselectedhidesofthehighestqualityareused.Itisnotcoveredcompletelywithdyeonproduction.“Nature’ssignature”isthereforeeasilyrecognizable.Thisfinematerialisdistinguishedbyanoutstandingseatingcomfort,specialsupplenessandatypicalpatina.
Leathercareandtreatment
Cleanalltypesofleatherregularlytoremovefinedustusingasoft,damp,whitewoolenclothoracommerciallyavailablemicrofibercloth.
RemoveheavycontaminationwithPorscheleathercleaner.Pleasealwaysfollowtheinstructionsforusegivenonthecontainers.
Causticcleanersandhardcleaningobjectsmustnotbeused.
Perforatedleathermustundernocircum-stancesgetwetonitsreverseside.
238Maintenance,CarCare