thisprocess,theTirePressureMonitoringrecog-nizesthetiresandtheirlocations.Theon-boardcomputerdisplayesthemessage“TPCinactive-systemlearning”.
TheTirePressureMonitoringrequiresacertainamountoftimetolearnthewheels.Duringthistime,thecurrenttirepressuresarenotavailableontheon-board-computer:
–ThedisplayoftheTirepressurefunctionoftheon-boardcomputershowslines.
–Therequiredpressuresforcoldtiresat68°F(20°C)areindicatedintheInfopressuredisplayintheTirepressuremenu.
–Tirepressurewarningsareissuedwithouttirepressureandpositioninformation(gure)assoonasthevehicle’sownwheelshavebeendetectedandthetirepressurewarninglighthasgoneout.
PositionandpressureinformationisdisplayedassoonastheTirePressureMonitoringhasassignedthewheelsidentifiedasbelongingtothevehicletothecorrectwheelpositions.
Thewheellearningprocesstakesplaceexclusivelywhenthevehicleisbeingdriven.
Manuallycheckthetirepressureatallwheelsandcorrectthetirepressuretotherequiredvalue.
Changingawheelandreplacingtires
Newwheelsmustbefittedwithradiotransmit-tersfortheTirePressureMonitoring.Beforetiresarechanged,thebatterychargestateofthewheeltransmittersshouldbecheckedatanauthorizedPorschedealer.
Switchtheignitionoffwhenchangingawheel.
Thetiresettingsontheon-boardcomputermustbeupdatedafterchangingawheel.
Amessageappearsifthecharacteristicsofthenewtiresdonotagreewiththeon-boardcomputersettings.
Updatetheon-boardcomputersettingswhenthevehicleisstationarythenexttime.
Warninglight
Thewarninglightinthespeedometerlightsup:
–Whenalossinpressurehasbeendetected
–IftheTirePressureMonitoringisfaulty
–Whenlearningnewlymountedwheels/wheelsensors,aslongasthevehicle’sownwheelshavenotyetbeenrecognized.
Thetirepressurewarninglightintheinstrumentpanelgoesoutonlywhenthecauseofthefaulthasbeenrectified.
Nomonitoring
IntheeventoffaultstheTirePressureMonitoringcannotmonitorthetirepressure.Thewarninglightontheinstrumentpanellightsupandacorrespondingmessageappearsontheon-boardcomputer.
Monitoringisnotactivewhen:
–theTirePressureMonitoringisfaulty,
–wheeltransmittersfortheTirePressureMonitoringaremissing,
–temporarilyafterchangingawheel(learningphase),
–morethanfourwheeltransmittersaredetect-ed,
–thereisexternalinterferencebyotherradiosources,e.g.wirelessheadphones,
–tiretemperaturesaretoohigh.
Pleaseobservethechapter”WARNINGSONTHEINSTRUMENTPANELANDTHEON-BOARDCOMPUTER”onpage143.
134Controls,Instruments
PorscheCommunication
Management(PCM)
Generalinformationregardingthe
PorscheCommunicationManagement
RefertotheseparateoperatinginstructionsbeforeputtingthePCMintooperation.
Pleaseobservethechapter”LOADSWITCH-OFFAFTER2HOURSOR7DAYS”onpage293.
Warning!
Thereisdangerofaccidentifyousetoroperatetheon-boardcomputer,radio,navigationsystem,telephoneorotherequipmentwhendriving.Thiscoulddistractyoufromtrafcandcauseyoutolosecontrolofthevehicleresultinginseriouspersonalinjuryordeath.
Operatethecomponentswhiledrivingonlyifthetrafficsituationallowsyoutodososafely.
Carryoutanycomplicatedoperatingorsettingproceduresonlywiththevehiclestationary.
ThereceptionconditionsfortheradiomoduleintegratedinthePCMchangecontinuouslyasyoudrive.Interferencefrombuildings,terrainandtheweatherisunavoidable.FMstereoreception
isparticularlysusceptibletovaryingreceptionconditions.
ElectronicaccessoriesshouldonlyberetrofittedbyyourauthorizedPorschedealer.
AccessorieswhichhavenotbeentestedandapprovedbyPorschemayimpairradiofunctionandreception.
Navigation
Whenputintooperationforthefirsttime,adistanceofapprox.30miles(50km)mustbedriveninorderforthenavigationsystemtocompletetheprocessoffinecalibration.Thesameapplieswhenthetiresarechanged(e.g.summer/wintertires)ornewtiresfitted.Fulllocationaccuracyisnotyetachievedduringthefine-calibrationprocess.
Ifthevehiclehasbeentransported(e.g.ferry,cartrain),thesystemmaytakeafewminutestodeterminethecurrentlocationafterithasbeenswitchedon.
Serioustireslip(e.g.spinningwheelsonsnow)mayresultintemporarilyinaccuratenavigation.
Whenthebatteryhasbeendisconnected,itmaytakeupto15minutesbeforethenavigationsystemisoperationalagain.
Controls,Instruments185
