
3.Unscrewcapoftheoilfilleropening.
4.Addatmosthalfaliterofengineoilatatime.
5.Measureoillevelagainwiththeon-boardcomputer.
6.Addmoreengineoilifnecessary.Neveraddmoreengineoilthanrequiredtoreachthemax.mark.
7.Closecapcarefully.
8.Closeserviceflap.
214Maintenance,CarCare

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

Ifthereisadefectintheautomaticunlocking
system:
Openthepassengerdoor.
Pulltheringintheright-handdooraperture(arrow).
Refueling
Fueltankcapacity
Thefuelfillingcapacityisapprox.16.9U.S.gallons(64liters),ofwhichapprox.2.64U.S.gallons(10liters)isreserve.
Porschedoesnotrecommendtheuseoffueladditives.
Fuelishighlyammableandharmfultohealth.
Procedure
1.Important:Stoptheengineandswitchofftheignition.
2.Slowlyunscrewthetankcap.Hangthetankcapontheplasticstrapofthefillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneckwiththehandleofthefuel-hosenozzlefacingdown.
4.Donotaddfurtherfueloncethecorrectlyoperatedautomaticfuel-hosenozzlehasswitchedoff.Fuelcouldsprayorcouldrunoverinwarmtemperatures.
5.Replacethetankcapimmediatelyafterrefuelingandturnituntilyouhearitandfeelitengage.
Ifyoulosethetankcap,youmustreplaceitonlywithanoriginalparttoreducethepossibilityofareintheeventofacollision.
Note
Theoillevelisautomaticallymeasuredduringrefueling.
Pleaseobservethechapter”OILDISPLAYANDMEASUREMENTOFTHEENGINEOILLEVEL”onpage128.
222Maintenance,CarCare

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

ExerciseExtremeCautionwhen
WorkingonyourVehicle
Danger!
Ignoringthefollowinginstructionsmaycauseseriouspersonalinjuryordeath.
Theenginecompartmentofanymotorvehicleisapotentiallyhazardousarea.Ifyouarenotfullyfamiliarwithproperrepairprocedures,donotattempttheadjustmentsdescribedonthefollowingpages.Thiscautionappliestotheentirevehicle.
Onlyworkonyourvehicleoutdoorsorinawellventilatedarea.
Ensurethattherearenoopenflamesintheareaofyourvehicleatanytimewhenfuelfumesmightbepresent.Beespeciallycautiousofsuchdevicessuchashotwaterheaterswhichigniteaflameintermittently.
Beforeworkingonanypartintheenginecom-partment,turntheengineoffandletitcooldownsufficiently.Hotenginecompartmentcomponentscanburnskinoncontact.
Bealertandcautiousaroundengineatalltimeswhiletheengineisrunning.Ifworkhastobeperformedwiththeenginerunning,alwayssettheparkingbrake,andmakesuretheshiftleverisinneutralortheselectorleverisinpositionPorN.
Inparticular,beverycarefultoensurethatitemsofclothing(ties,shirt,sleevesetc.),jewelry,longhair,handorfingerscannotgetcaughtintheengine-compartmentblower,fan,beltsorothermovingparts.Theradiatorandradiatorfansareinthefrontofthecar.Thefanscanstartorcontinuerunningasafunctionoftemperature,evenwiththeengineswitchedoff.Carryoutworkintheseareasonlywiththeengineoffandexerciseextremecaution.
YourPorscheisequippedwithanelectronicignitionsystem.Whentheignitionison,highvoltageispresentinallwiresconnectedwiththeignitionsystem;therefore,exerciseextremecautionwhenworkingonanypartoftheenginewhiletheignitionisonortheengineisrunning.
Alwayssupportyourcarwithsafetystandsifitisnecessarytoworkunderthecar.Jacksarenotsuitableforthiskindofwork.
Whenworkingunderthecarwithoutsafetystandsbutwiththewheelsontheground,makesurethecarisonlevelground,thewheelsareblocked,andthattheenginecannotbestarted.Removetheignitionkey.
Donotsmokeorallowanopenflamearoundthebatteryorfuel.Keepafireextinguisherinclosereach.
Incompleteorimproperservicingmaycauseproblemsintheoperationofthecar.Ifindoubtaboutanyservicing,haveitdonebyyourauthorizedPorschedealer.ImpropermaintenanceduringthewarrantyperiodmayaffectyourPorschewarrantycoverage.
Suppliesoffluids,e.g.engineoil,brakefluidorcoolant,arehazardoustoyourhealth.Keepthesefluidsoutofchildren’sreachanddisposeoftheminaccordancewiththeappropriateregulations.
Somecountriesrequireadditionaltoolsandspecialsparepartstobecarried.Pleasemakeenquiriesbeforedrivingabroad.
Workingintheenginecompartment
Havethenecessaryworkintheenginecompart-mentdonebyyourauthorizedPorschedealer.
242PracticalTips,EmergencyService

Chargestate
Awellchargedbatterywillnotonlypreventstartingproblemsbutwillalsolastlonger.
Inordertoavoidunintendedbatterydischarge
Switchoffunnecessaryelectricalloadsincitytraffic,onshorttripsorinalineortraffic.
Alwaysremovetheignitionkeyfromtheignitionswitchwhenleavingthecar.
AvoidfrequentoperationofthePorscheCommunicationManagementsystemwhentheengineisnotrunning.
Batterycare
Ensurethatbatteryissecurelymounted.
Keepterminalsandconnectionscleanandproperlytightened.Corrosioncanbepreventedbycoatingtheterminalsandconnectionswithpetroleumjellyorsiliconespray.
Ensurethatventcapsaresecurelytightenedtopreventspillage.
Checkingtheelectrolyteuidlevel
Generally,theelectrolytelevelmustbecheckedmoreofteninsummerthaninwinter,andmoreoftenwhendrivinglongdistances.
Whenaddingwater,useonlycleancontainers.Innocasemayalcohol(e.g.windowcleanerresidues)bepermittedtoenterthebattery.
Unscrewandopenthefillerventcapsofeachcell.
Withthecaronalevelsurface,thefluidlevelshouldmeettheindicatormarkineachcell.
Ifnecessary,topupwithdistilledwater.Donotuseacid.Onlyfilluptothemark,otherwisetheelectrolytewilloverflowwhenthebatteryisbeingchargedandcausedamage.
Batterycharging
Automotivebatteriesloosetheirefficiencywhennotinuse.Thechargeavailableinyourbatterycanbemeasuredwithabatteryhydrometer.WerecommendthatthebatteryvoltagebetestedbyyourPorschedealerwhohastheappropriateequipment.
Ifthecarisnotdrivenforprolongedperiods,thebatterymustbechargedatleastevery6weeks.Adischargedbatteryallowsrapidformationofsulfates,leadingtopermaturedeteriorationoftheplates.
Danger!
Hydrogengasgeneratedbythebatterycouldcauseanexplosion,resultinginseriouspersonalinjuryordeath.
Chargebatteryinawellventilatedarea.
Neverchargeafrozenbattery.Itmayexplodebecauseofgastrappedintheice.Allowafrozenbatterytothawoutfirst.
Ifyougetelectrolyte,whichisanacid,inyoureyesoronyourskin,immediatelyrinsewithcoldwaterforseveralminutesandcalladoctor.
PracticalTips,EmergencyService269

Slowbatterycharching
1.Payattentiontoallwarningsandfollowinstructionsthatcomewithyourbatterycharger.
2.Whencharging,ensureadequateventilation.
3.Removebattery.
Pleaseobservethechapter”REMOVINGTHEBATTERY”onpage271.
4.Allventcapsshouldbeopen.Thefluidlevelshouldmeettheindicatormarkineachcell.
5.Ensurethatchargerisswitchedoff-dangerofshortcircuit!
6.Connectchargercables.ChargercablesmustbeconnectedPOSITIV(+)toPOSITIV(+)andNEGATIVE(-)toNEGATIVE(-).
7.Switchoncharger.Normallyabatteryshouldbechargedatnomorethan10percentofitsratedcapacity.Ratedcapacityofthebatteryinyourvehicleislistedonthebatteryhousing.
8.Aftercharging,turnoffchargeranddisconnectchargercables.
9.Tightentheventcapsandreinstallbattery.
Pleaseobservethechapter”EMERGENCYSTARTINGWITHJUMPERCABLES”onpage273.
Winteroperation
Thecapacityandabilityofthebatterytostorepowerdecreasesatlowoutsidetemperatures.Additionally,morepowerisconsumedwhilestarting,andtheheadlights,heater,rearwindowdefogger,etc.,areusedmorefrequently.
LetyourPorschedealertestthebattery’scapacitybeforewintersetsin.
Thebatterywilldischargemorequicklyifyourvehicleisnotdrivenonadailybasisoveradistanceofseveralmiles.Themoreoftenyoudriveyourvehicle,andthelongerthedistancedriveneachtrip,themoreopportunitythevehicle’schargingsystemwillhavetorechargethebattery.
Replacingthebattery
Theservicelifeofthebatteryissubjecttonormalwear;itdependsgreatlyoncare,climaticcondi-tionsanddrivingconditions(distances,loads).
OnlyuseanoriginalPorschebatterywiththecorrectpartnumber,asareplacement.
Pleaseobservethedisposalinstructionsforbatteries.
Puttingvehicleintooperation
Afterthebatteryisconnectedorafteranexhaus-tivelydischargedbatteryischarged,themul-tifunctionalPSMlightlightsupontheinstrumentpanelandamessageappearsontheon-boardcomputertoindicateafault.
Thisfaultcanberemediedwithafewsimplesteps:
1.Starttheengine.
2.Withthevehiclestationary,performafewsteeringmovementstotheleftandrightandthendriveashortdistanceinastraightlineuntilthemultifunctinalPSMlightgoesoutandthemessageontheon-boardcomputerdisappears.
3.Ifthewarningsdonotdisappear,then:Drivecarefullytothenearestqualifiedspecialistworkshop.Havethefaultremedied.
4.Afterthewarningsdisappear,stopthevehicleinasuitableplace.
5.Performadaptationofthepowerwindows:
Pleaseobservethechapter”STORINGENDPOSITIONOFTHEWINDOWS”onpage35.
Ignitionkey/ignitionlock
Donotinserttheignitionkeyintotheignitionlockifthevehiclebatteryisdischarged.Theignitionkeycannolongerberemoved.
Thekeycannotberemoveduntilthevehicleelectricalsystemissuppliedwithpoweragain.
Pleaseobservethechapter”EMERGENCYUNLOCKINGOFTHEFRONTLUGGAGECOMPARTMENTLID”onpage266.
Pleaseobservethechapter”EMERGENCYSTARTINGWITHJUMPERCABLES”onpage273.
270PracticalTips,EmergencyService