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Belowapprox.37°F/3°C
Theair-conditioningcompressorisswitchedoff.Recirculating-airsettingisautomaticallyendedafterapprox.3minutes.
Airdistribution
Settings
Theindividualairdistributionscanbecombinedasdesired.
RecommendedsettinginSummer-Airdistributiontocentralandsidevents
RecommendedsettinginWinter-Airdistributiontofootwellandwindshield
Airdistributiontofootwell
PressbuttonJ.Theairflowstothefootwell.Theselectionappearsonthedisplaypanel.
Airdistributiontocenterandside
vents
PressbuttonK.Theairflowsfromthecentralandsidevents.Ventsmustbeopen.Theselectionappearsonthedisplaypanel.
Airdistributiontowindshield
PressbuttonL.Theairflowstothewindshield.Theselectionappearsonthedisplaypanel.
Noteonoperation
OnvehicleswiththeSportChronoPackagePlus,individualairconditioningsettingscanbestoredonyourcarkey.Pleaseobservethe
chapter“IndividualMemory”intheseparatePCMoperatinginstructions.
Informationonair-conditioning
compressor
–Mayswitchoffbrieflytoensuresufficientenginecoolingiftheengineisoperatingunderextremeload.
–Theairconditioningcompressorswitchesoffautomaticallyattemperaturesbelowapprox.37°F/3°Candcannotbeswitchedon,evenmanually.
–Operatesmosteffectivelywiththewindowsclosed.Ifthevehiclehasbeeninthesunforalongtime,itisagoodideatoventilatetheinteriorbrieflywiththewindowsopen.
–Dependingontheoutsidetemperatureandhumidity,condensationcandripfromtheevaporatorandformapoolunderthecar.Thisisnormalandnotasignofleakage.
Ifuncooledairflowsoutwhenthelowesttemperaturehasbeenset,switchofftheairconditioningcompressorandhavethefaultremedied.PleasecontactyourauthorizedPorschedealerforfurtherinformation.
Controls,Instruments157
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E-AdapterforsecuritywheelboltsF-TirellingcompressorG-TowinghookH-ToolkitI-Leverforconvertibletopemergencyoperation(underthetoolkit)J-Tiresealant
Closing
Inserttoolboxintotheguidepegsintheluggagecompartmentfloor.
Closetoolboxandlocktheturn-locksC.
Controls,Instruments175
Page 191 of 320

SelectorLeverPositions
P-Parkinglock
Engageparkinglockonlywhenvehicleisstationary.
Engageparkinglockafterapplyingthehandbrakeandreleaseitbeforereleasingthehandbrake.
TheignitionkeycanbewithdrawnonlyinselectorleverpositionP.
R-Reverse
Selectonlyifcarisstationaryandthebrakeisapplied.
N-Neutral
SelectorleverpositionNmustbeselectedfortowingorincarwashes,forexample.
Selectthedesiredpositionformovingoff(D,MorR)onlywhentheengineisidlingandwhiledepressingthebrakepedal.
D-Automaticselectionmode
Modeofoperation
SelectpositionDfor“normal”driving.Thegearsareshiftedautomaticallyaccordingtotheacceleratorpositionandspeed.
Dependingonthewaythevehicleisdrivenandontheresistance(e.g.uphill),thegear-changingpointsareshiftedtowardshigherorlowerengine-speedranges.Theacceleratorposition,drivingspeed,enginespeed,longitudinalandlateralaccelerationandtheroadprofileallhaveaninfluenceonthegear-changingcharacteristic.
Unwantedupwardshifts,e.g.beforebends,arepreventedbyswiftlyreleasingtheacceleratorpedal.
Dependingonlateralacceleration,upwardshiftsonbendsarenotmadeuntiltheengine-speedlimitisreached.
Underbraking,anddependingontheamountofdeceleration,theTiptronicshiftsdownearlier.Forsubsequentcornering,therightgearisengagedwhenpressureisappliedtothebrakesbeforethebend.Thebendistakenintherightgear,andwhenyouaccelerateoutofthebendyoudonothavetoshiftdown.
Sportmodeswitchedon
Pleaseobservethechapter”SPORTMODE”onpage70.
IftheSportmodeprogrammeisswitchedon,Tiptronicswitchestoasportygear-changingmapandshortenstheshiftingperiods.
InitialDrive-off
In2ndgear,thevehicledrivesoffwiththethrottleonlyslightlyopen.Driveoffin1stgearwiththethrottleopenwiderorwhentheengineiscold.
Shiftinggearonthesteeringwheel
Withthetoggleswitchesonthesteeringwheel,youcanchangetemporarilyfromautomaticselectionmodeDtomanualmodeM.
Advantages:
–Shiftingdownbeforebendsandonenteringbuilt-upareas.
–Shiftingdownondownwardslopes(enginebraking).
–Shiftingdownforbriefspurtsofacceleration.
–Selecting1stgearformovingoff.
Themanualselectionmoderemainsengaged:
–forcornering(dependingonthelateralacceleration)andoverrunning,
–whenthevehicleisstationary(e.g.atajunction).
Thesystemleavesmanualselectionmode:
–automaticallyafterapprox.8seconds(unlesscorneringoroverrunning),
ShiftingGear189
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Ifmanualmodefails,thecontrolelectronicsswitchtoautomaticmode.Inthisevent,theinstrumentclusterwilldisplayselectorleverpositionD.
Toremedythefault,pleaseconsultanauthor-izedPorschedealer.
PSMswitchedoffand/orSportmodeswitched
on
Pleaseobservethechapter”SWITCHINGOFFPSM”onpage72.
Pleaseobservethechapter”SPORTMODE”onpage70.
IfthePSMisswitchedoffand/orSportmodeisswitchedon,anautomaticupshiftdoesnotoccurwhentheenginespeedlimitisreached.
Cancellingupshiftsuppression
Therestrictioncanbecancelledforonegearchangebydepressingtheacceleratortokickdown.If,forexample,theenginespeedlimitisreachedduringovertakingandtheautomaticupshiftdoesnotoccur,thetransmissioninthiscaseshiftsupbyacceleratingtokickdown.
Depresstheacceleratorpedalbeyondthefull-throttlepoint(kickdown).
Manualmodefailure
Ifmanualmodefails,thecontrolelectronicsswitchtoautomaticmode.Inthisevent,theinstrumentclusterwilldisplayselectorleverpositionD.
Havethefaultremedied.Consultanauthor-izedPorschedealer.
Stopping
Forabriefstop,e.g.atatrafficlight,leavetheselectorleverindrivepositionandholdthevehiclewiththebrakepedal.
Foralongerstopwiththeenginerunning,selectpositionN(neutral).
Donotholdthecaronaslopeusingtheaccelerator.Usethebrakepedalorthehandbrakeinstead.
Beforeleavingthevehicle,alwaysapplythehandbrakeandmovetheselectorlevertopositionP.
Parking
Goeasyontheaccelerator.
Whenparkingormaneuveringinasmallspace,controlthespeedbycarefuluseofthefootbrake.
Drivinginwinter
Inwinteryroadconditionsitisadvisabletotakesteepinclinesinmanualmode.Thispreventstheoccurrenceofgearchangesthatcouldcausewheelspin.
Tow-starting,towing
Pleaseobservethechapter”TOWING”onpage292.
Emergencyprogram
Warning!
Reversegearlockmonitoringisdisabledintheemergencyrunningprogram.Damagetothevehiclemayresultaswellaslossofcontrol,ifthevehicleismovingforwardfastenoughtocauserearwheellockup.
DonotshiftintoRwhilethevehicleismovingforward.
Atransmissionfaultisindicatedbythefollowingsymptoms:
–Thedisplayfor4th-gearandtheengagedselectorleverpositionflashonandoffalternately.
–Thewarning“Tiptronicemergencyrun”appearsintheon-boardcomputer.
–Thetransmissionnolongershifts.Regardlessofselectorleverposition,4thistheonlyforwardgearstillavailable.
Adaptyourdrivingstyletothechangedhandling.
Toremedythefault,pleaseconsultanauthor-izedPorschedealer.
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Windstop
Generalinformationtothewindstop
Makesurethatallwindstoppartsarefastenedsecurely,especiallywhendrivingwiththeconvertibletopopen.
Note
Whentheconvertibletopisclosed,itisagoodideatoremovethecentersectionofthewindstoptopermitgoodventilationoftheinteriororfordemistingtherearwindow.Thisisparticularlythecaseincold,wetweather.
Removingouterwindstopparts
Presswindstoppartstotherearandupoutoftheroll-overbarandtakeitout.
Installingouterwindstopparts
Firstinsertthewindstoppartsintheroll-overbarfromtherear,thenpushitupintothebar.
MakesurethatthethreeplastictonguesAfullyengageintheroll-overbar.
Removingcentralsectionofwindstop
parts
PressreleasebuttonsBandtakeoutthewindstoptowardtherear.
Installingcentersectionofwindstop
FirstinsertthewindstopinreceiverCfromtherear,then,oneaftertheother,pressforwarduntilbothuppermountsBengageaudibly.
MobileRoofs201
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BrakeFluidLevel
Useofbrakeuid
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage208.
Useonlynew(unused)OriginalPorschebrakeuid.
Warning!
Brakeuidishazardoustoyourhealth,andmaybefatalifswallowed.Brakeuidalsoattackspaintwork.
Keepbrakefluidoutofchildren’sreach.
Takecarewhiletoppingoffbrakefluidnottosoiltheluggagecompartmentoritemsofluggage.Checkingthebrakeuidlevel
Thereservoirforthehydraulicbrakingandclutchsystemsisinthefrontluggagecompartment.
1.OpenandremovecoverflapA.
2.Regularycheckthebrake-fluidlevelonthetransparentexpansiontankthroughthewindowB.Thefluidlevelshouldalwaysliebetweenthe“Min”and“Max”marks.
Aslightdecreaseinthefluidlevelduetowearandautomaticreadjustmentofthediscbrakesisnormal.If,however,thefluidlevelfallsmarkedlyorbelowthe“Min”mark,thebrakingsystemmayhavedevelopedaleak.
HavethebrakingsystemcheckedimmediatelyatanauthorizedPorschedealer.
Changingthebrakeuid
Brakefluidabsorbsmoisturefromtheairovertime.Thisaccumulationofwaterlowerstheboilingpointand,undercertainoperatingconditions,canaffectthebrakingaction.Thereforehavethe
Maintenance,CarCare217
Page 228 of 320

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.
226Maintenance,CarCare
Page 231 of 320
PowerSteering
Warning!
Riskofaccidentresultinginseriouspersonalinjuryordeath.Whentheengineisstopped(e.g.whenbeingtowed)orthehydraulicsystemfails,thereisnoassistanceforsteering.Therefore,substantiallymoreforcewillhavetobeexertedinordertosteer.
Exercisegreatcarewhenbeingtowed.
HavethefaultremediedatyournearestauthorizedPorschedealer.
Note
Theflownoiseheardatfullsteeringlockissystemrelatedanddoesnotindicateadefectinthesteeringsystem.
Checkinghydraulicuid
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage208.
Thereservoirisintheenginecompartment.
Regularcheckingofhydraulicfluidispartofservicing.
Maintenance,CarCare229