2007 PORSCHE CAYMAN Owners Manual

complete”appearsafterthesettingshavebeenmadewilltheTirePressureMonitoringre-learnthewheels.
Pleaseobservethechapter”SYSTEMLEARN-ING”onpage128.
Beforefittingtireswithsizeswhicharenotstoredintheon-boardcomputer,themissinginformationshouldbesupplementedintheon-boardcomputer.
PleaseconsultyourauthorizedPorschedealer.
UseonlytiresapprovedbyPorsche.
TheavailableitemsintheTirepressuremenudependontheequipmentofyourvehicle.Forthisreasonitispossiblethatsomeoftheitemsshownherearenotavailableonyouron-boardcomputer’sdisplay.Tirepressurewarnings
TheTirePressureMonitoringwarnsaboutlossinpressureintwostages,dependingontheamountofpressureloss:
Stage1-Addair(3to6psi(0.2to0.4bar)lossinpressure)
Stage2-Flattire(from6psi(0.4bar)lossinpressure)
Stage1-Addair
Thepressureinthetireistoolowby3to6psi(0.2to0.4bar).Drivingwithinsufficienttirepressurereducestheroadsafetyofthevehicleanddestroysthetireandwheel.
Thetirepressurewarningcontainstheaffectedtirewiththetirepressuretobeadded.Correctthetirepressureatthenextopportunity.
Thistirepressurewarningappearswithvehiclestoppedandcanbeacknowledged.Thetirepressurewarninglightintheinstrumentpanelgoesoutwhenthetirepressurehasbeencorrected.
Stage2-Flattire
Thepressureinthetirehasdroppedbymorethan6psi(0.4bar).Thissignificantpressurelossisadangertoroadsafety.
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Whenthetirepressurewarninghasappearedontheon-boardcomputer,stopimmediatelyatasuitablelocation.Checkthetireforsignsofdamage.Ifnecessary,fillintiresealantandsetthecorrecttirepressure.
Thistirepressurewarningappearswhendrivingandcanbeacknowledged.Thetirepressurewarninglightintheinstrumentpanelgoesoutwhenthetirepressurehasbeencorrected.
Systemlearning
TheTirePressureMonitoringbeginsto“learn”thewheelsafterawheelchange,wheeltransmitterreplacementorupdateofthetiresettings.During
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.
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Nomonitoring
IntheeventoffaultstheTirePressureMonitoringcannotmonitorthetirepressure.Thewarninglightontheinstrumentpanellightsupandacorrespondingmessageappearsontheon-boardcomputer.
Monitoringisnotactivewhen:
–theTirePressureMonitoringisfaulty,
–wheeltransmittersfortheTirePressureMonitoringaremissing,
–temporarilyafterchangingawheel(learningphase),
–morethanfourwheeltransmittersaredetect-ed,
–thereisexternalinterferencebyotherradiosources,e.g.wirelessheadphones,
–tiretemperaturesaretoohigh.
Pleaseobservethechapter”WARNINGSONTHEINSTRUMENTPANELANDTHEON-BOARDCOMPUTER”onpage138.
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ATirepressureBTiretemperatureCTirepressuresforcoldtiresDTirepressureforhottiresEPressureincreaseastheresultoftempera-tureincreaseFPressuredropinfaulty/leakingtires1.Required-pressureline2.Warningstage1(from-3to-6psi(-0.2barto-0.4bar))3.Warningstage2(from-6psi(-0.4bar))
Pressureincreaseastheresultof
temperatureincrease
Inaccordancewithphysicalprinciples,theairpressurechangesasthetemperaturechanges.
Thetirepressureincreasesordecreasesbyaround1.5psi(0.1bar)forevery18°F(10°C)changeintemperature.
TheTirePressureMonitoringtakesthisrelationshipbetweentirepressureandtemperatureintoaccount.
Tirepressurespecications
InformationontirepressureforpublicroadscanbefoundinthisOwner’sManualintheTechnicalDatachapteroronthetire-pressureplateintheleftdooraperture.Thesevaluesapplytocoldtiresat68°F(20°C).
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage299.
130Controls,Instruments

OILDisplayandmeasurementof
theengineoillevel
Conditionsformeasuringtheoillevel
Caution!
Riskofenginedamage.
Regularlychecktheoillevelafterrefueling.
Donotallowtheoilleveltofallbelowtheminimummark.
1.Itisimportanttoensurethatthevehicleishorizontalforcorrectoillevelmeasurementtooccur.
2.Engineisoff.
3.Ignitionon.
Oilreturntime
Beforetheoillevelismeasured,theengineoilhastohaveflowedbackintotheoilpan.Thetimetakenfortheengineoiltoflowbackdependsontheenginetemperatureandhowlongtheenginehasbeenstopped.
Thiswaitingtimeiscounteddownintheon-boardcomputerdisplaywhentheignitionisswitchedon.Theoilleveldisplaysegmentsstartto“cycle”.
Itisbesttomeasuretheengineoillevelbeforeembarkingonajourney(ifthevehiclehasnotbeendrivenforanextendedperiod)orwiththeengineatoperatingtemperature.Shorterwaitingtimesareachievedinthisway.
Initiatingoillevelmeasurement
Switchignitionon(donotstarttheengine).Theengine-oillevelmeasurementdisplayappearsintheon-boardcomputer.
Allowwaitingtimetoelapse.
Oncethemeasurementhasbeencompleted,youcanreadofftheengineoillevelonthesegmentdisplay.
–Ifthesegmentsarefilledinuptothetopline,theoillevelhasreachedthemaximummark.
Undernocircumstancesaddengineoil.
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–Ifonlythebottomsegmentisfilledin,theoillevelhasreachedtheminimummark.
Addengineoilimmediately.
–Ifthebottomsegmentflashes,theoillevelhasdroppedtobelowtheminimummark.
Addengineoilimmediately.
Thedifferencebetweentheminimumandmax-imummarksonthesegmentdisplayisapprox.1.2liters.Eachsegmentofthedisplaycorre-spondstoapprox.0.4liter.
Addengineoilifnecessary.
Pleaseobservethechapter”ENGINEOILLEVEL”onpage208.
Neveraddmoreengineoilthanrequiredtoreachthemaximummark.Oillevelmeasurementduringrefueling
Theoillevelisautomaticallymeasuredduringrefueling.
Preconditions
1.Ignitionisswitchedoff.
2.Iftheengineisatoperatingtemperature,atleast5minutesmustelapsebetweenparkingthevehicleandstartingtheengine.
3.Refuelingcompletedwithin15minutes.
Whentheignitionisswitchedon,theengineoillevelisshownonthesegmentdisplay.
Measurementwillbestoppediftheaboverequire-mentsarenotmet.
Startoillevelmeasurementinthe“OIL“menuor
Startoillevelmeasurementbyswitchingontheignition.
Failure
Afailureoftheoilleveldisplayisindicatedbyawarningmessageintheon-boardcomputer.
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Theoillevelmeasurementcanalsobe
initiatedinthe“OIL”menu:
Switchingonselectioneld“D”
Pushoperatingleverforward.
Initiatingmeasurement
Select“OIL”withtheoperatinglever.
Pushoperatingleverforward.Measurementisstarted.
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SETBasicsettingonon-board
computer
Switchingonselectioneld“D”
Pushoperatingleverforward.
Changingthebasicsettingoftheon-board
computer
Select“SET”withtheoperatinglever.
Pushoperatingleverforward.
Selectthedesiredfunctionwiththeoperatinglever:
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