tire size PORSCHE BOXSTER 2007 2.G Owners Manual

interrogatedandgoesoutwhentheengineisstartedifthecheckisnotyetcomplete.IftheABSwarninglampfailstogoout,thisindicatesthatABShasbeendeactivatedduetoafault.Ifthewarninglightsintheinstrumentpanelandon-boardcomputerlightupwhileyouaredriving,thisindicatesthatafaulthasoccurred.Inbothcases,normalbraking,asinvehicleswithoutABS,isstillretained.
TheABSsystemshould,however,beexaminedatanauthorizedPorschedealerimmediatelytopreventtheoccurrenceoffurtherfaults.
IftheABSsystembecomesinoperative,takeyourvehicletoyourauthorizedPorschedealerimmediately.
Warning!
Riskofanaccident,resultinginseriouspersonalinjuryordeath.ThecontrolunitoftheABSbrakesystemissetforstandardtiresize.Ifnon-standardtiresareinstalled,thecontrolunitmaymisinterpretthespeedofthevehicle,becauseofthevariantdataitreceivesfromthesensorsontheaxles.
UseonlytiremakesandtypestestedbyPorsche.
68Controls,Instruments

TPCTirePressureMonitoring
Function
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage304.
TheTirePressureMonitoringcontinuouslymoni-torstirepressureandtiretemperatureonallfourwheelsandwarnsthedriverwhenthetirepressureistoolow.
ThedisplayaswellasthesettingsfortheTirePressureMonitoringtakeplaceontheon-boardcomputer.However,youmuststilladjustthetirepressureonthewheel.
Thedriverisresponsibleforfillingthetirescorrectlyandmakingthecorrectsettingsontheon-boardcomputer.
TheTirePressureMonitoringoffersthefollowingfunctions:
–Displayoftheactualtirepressurewhilethevehicleisinmotion
–Displayofthedeviationfromtherequiredpressure(refillingpressure)
–Displayofcurrentlysettiresizeandtype
–Tirepressurewarningsintwostages
Caution!
DespitetheadvantagesofferedbytheTirePressureMonitoring,itisstillthedriver’sresponsibilitytoupdatethecorrespondingsettingsintheon-boardcomputerandmaintainthepressureinthetires.Lowtirepressurereducestheroadsafetyofthevehicleanddestroysthetireandwheel.
Whenaflattirehasbeendisplayed,immediate-lystopinasuitableplaceandcheckthetiresfordamage.Ifnecessary,remedythedamagewithatiresealant.
Donotbyanymeanscontinuetodrivewithdefectivetires.
Sealingthetirewithtiresealantisonlyanemergencyrepair,soyoucandrivetothenextauthorizedPorschedealer.Themaximumpermittedspeedis50mph(80km/h).
Donotdrivewithtireswhosetirepressuredropsagaininashortperiodoftime.Incasesofdoubt,havetirescheckedbyanauthorizedPorschedealer.
DamagedtiresmustbeimmediatelyreplacedbyanauthorizedPorschedealer.Tirerepairsarenotpermissibleunderanycircumstances.
IftheTirePressureMonitoringisdefective(e.g.defectivewheeltransmitter),contactanauthorizedPorschedealerimmediatelyandhavethedamagerepaired.ThetirepressurewillnotbemonitoredbyadefectiveTirePressureMonitoring.
Tiresloseairovertimewithoutatiredefectbeingpresent.Atirepressurewarningwillthenappearintheon-boardcomputerdisplay.Correctthetirepressureatthenextopportunity.
TheTirePressureMonitoringgivesawarningabouttiredamageduetonaturalpressurelossaswellasaboutagraduallossofpressureduetoforeignobjects.TheTirePressureMonitoringcannotwarnyouabouttiredamagethatoccurssuddenly(e.g.flattireduetoabruptexternaleffects).
Controls,Instruments119

TiretypeinfoinTirepressuremenu
Informationaboutthecurrentlysettires:
–Tiretype:Summertires,wintertires
–Tiresize:17,18,19inch
“Infotires”showsthecurrenttiresettings.
Callingupthe“Infotires”display
Pushoperatingleverforwardinordertoswitchontheselectionfield.
Select“TPC”withtheoperatinglever.
Pushoperatingleverforward.ThedisplaychangestotheTirepressuremenu.
Select“Infotires”withtheoperatinglever.
Pushoperatingleverforward.
Tireselectioninthe“Set”menu
Pushoperatingleverforwardinordertoswitchontheselectionfield.
Select“TPC”withtheoperatinglever.
Pushoperatingleverforward.ThedisplaychangestotheTirepressuremenu.
Controls,Instruments121

Selecttheappropriatetiresize(17,18or19inch)andpushoperatingleverforwards.Adisplayforconfirmingtheselectedtiresizeappears.
Note
Thismenuisonlydisplayedwhendifferenttiresizesareapproved.
Select“Continue”andpushtheoperatingleverforward.Settingofthetirecharacteristicshasonlybeensuccessfullycompletedwhenthemessage“Processcomplete”isdisplayedbytheon-boardcomputer.
Selectarrow(Back)andpushtheoperatingleverforward.ThedisplayreturnstotheTirepressuremenu.Theon-boardcomputeradditionallydisplaysthemessage“Systemlearning”.
Note
Themessage“Processaborted”appearsifthesettingprocessisinterrupted.Allentriesmadeuptothispointarelost,andtheoriginalsettingsremainineffect.Onlyifthemessage“Process
Controls,Instruments123

complete”appearsafterthesettingshavebeenmadewilltheTirePressureMonitoringre-learnthewheels.
Pleaseobservethechapter”SYSTEMLEARN-ING”onpage125.
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.
124Controls,Instruments

Oncecleaned,leather(particularlytheheavilystressedleatherseats)mustbetreatedonlywithPorscheleathercareliquid.
Fabric,upholstery,carpetsandoor-mats
Useonlyavacuumcleaneroramediumstiffbrush.
RemovestainsandspotswithPorschestainremover.
ThePorscherangeofaccessoriesincludesnonskidfloor-matstoprotectthecarpetsinsummerandwinter.
Warning!
Riskofanaccidentresultinginseriouspersonalinjuryordeath.
Alwayscheckthemovementofthepedalsbeforedrivingandmakesurethattheyarenotobstructedbyafloormatoranyotherobject.
Securethefloormattopreventitfromslidingintopositionsthatcouldinterferewiththesafeoperationofyourvehicle-donotlaythemlooselyinthevehicle.YourPorschedealerwillbegladtoofferyounonskid-floormatsofthecorrectsize.
Alcantara
Regularcare
DonotusealeathercareproducttocleanAlcantara.
Forregularcareitissufficienttocleanthecoverwithasoftbrush.
Heavyabrasionorrubbingwhencleaningcausesapermanentchangeinthesurface.
Cleaningwhenlightlysoiled
Wetasoftclothwithwateroraneutralsoapsolutionandwipeoffthedirt.
Cleaningwhenheavilysoiled
Wetasoftclothwithlukewarmwaterorthinnedwhitespiritanddabthedirtfromtheoutsidein.
Safetybelts
Ifitbecomesnecessarytocleanthebelts,youcanuseanymildwashingagent.Allowthebeltstodrypriortoretracting,butavoiddirectsunlight.
Onlyusesuitablecleaners.Ifunsuitablecleanersareusedoranyattemptismadetodyeorbleachthebelts,thewebbingmaybeweakenedandthusconstituteasafetyrisk.
StoringyourPorsche
IfyouintendtostoreyourPorscheforaprolongedperiod,pleaseconsultyourauthorizedPorschedealer.Thestaffwillbegladtoadviseyouonthemostsuitableandnecessarymethods.
Cleanyourvehiclethoroughlyinsideandoutside.Cleantheenginecompartment.Theundercarriageandchassiscomponentsshouldbefreeofdirtandsaltdeposits.
Fillupthefueltank.
Changetheoilandoilfilter,andruntheengineforseveralminutes.
Increasethetirepressureto58psi(4bar).Itisnotrecommendedtoliftthevehicle,duetothepossibilityofcorrosiononshockabsorberpistonshafts.Thevehicleshouldbemovedslightly,approximatelyeveryfourweeks,topreventflatspotonthetires.
Climatecontrol
Theairconditioningsystemshouldbeingoodworkingconditionandfullycharged.
Windshield/Headlightwasher
Checkandcorrectantifreeze/cleaningsolutionlevelasnecessary.
Maintenance,CarCare239

Donotusecommerciallyavailablesealantortireinflatingbottles.OnlyusePorscheapprovedtiresealant.
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage304.
Eachtire,includingthespare(ifprovided),shouldbecheckedevery2weekswhencold68°F(20°C)andinflatedtotheinflationpressurerecommendedinthisOwner’sManualoronthetire-pressureplateintheleftdooraperture.IfyourvehiclehastiresofadifferentsizethanthesizeindicatedinthisOwner’sManualoronthetire-pressureplate,youshoulddeterminethepropertireinflationpressureforthosetires.
Asanaddedsafetyfeature,yourvehiclehasbeenequippedwithatirepressuremonitoring(TPC)thatilluminatesalowtirepressuremessagewhenoneormoreofyourtiresissignificantlyunder-inflated.Accordingly,whenthelowtirepressuremessageilluminates,youshouldstopandcheckyourtiresassoonaspossible,andinflatethemtotheproperpressure.Drivingonasignificantlyunder-inflatedtirecausesthetiretooverheatandcanleadtotirefailure.Under-inflationalsoreducesfuelefficiencyandtiretreadlife,andmayaffectthevehicle’shandlingandstoppingability.
PleasenotethattheTPCisnotasubstituteforpropertiremaintenance,anditisthedriver’sresponsibilitytomaintaincorrecttirepressure,evenifunder-inflationhasnotreachedthelevelto
triggerilluminationoftheTPClowtirepressuremessage.
Onvehicleswithtirepressuremonitoring:
Pleaseobservethechapter”TPCTIREPRESSUREMONITORING”onpage119.
Whentiresarewarm,thetirepressureisincreased.
Neverletairoutofhottires.Thiscouldcausethetirepressuretofallbelowtheprescribedvalue.
Insufficienttirefillingpressurecancausetirestooverheatandthusbedamaged-eveninvisibly.Hid-dentiredamageisnoteliminatedbysubsequentlycorrectingthetirepressure.
Overloading
Danger!
Riskofdamagetovehicleparts,lossofcontrolandseriouspersonalinjuryordeath.
Donotoverloadyourvehicle.Becarefulabouttheroofload.
Ifloadingthevehiclealsocorrectthetirepressure.Tirepressureforloadedvehiclecanbefoundonthetirepressureplateandinthechaptertechnicaldata.
Neverexceedthespecifiedaxleload.Over-loadingcanshortentheservicelifeofthetiresandcar,aswellasleadtodangerousvehiclereactionsandlongbrakingdistances.Damageduetooverloadingisnotcoveredbythevehi-clewarranty.
Pleaseobservethechapter”LOADINGINFORMATION”onpage254.
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage304.
PracticalTips,EmergencyService245

Exampleofatirepressureplate
Tirepressureplate
Informationonthetirepressureplate
ASeatingcapacityMaximumnumberofvehicleoccupants,includingthedriver.
BVehicleloadlimitIsthemaximumtotalweightlimitspecifiedoftheload(passengersandcargo)forthevehicle.Thisisthemaximumweightofpassengersandcargothatcanbeloadedintothevehicle.Pleaseobservethechapter”LOADINGINFORMATION”onpage254.
CTiresizeforthefrontaxleCheckwithyourauthorizedPorschedealeraboutthecurrentreleasestatus.
DRecommendedtirepressureforthefrontaxleThesevaluesareforcoldtires(68°F/20°C).
ETiresizefortherearaxleCheckwithyourauthorizedPorschedealeraboutthecurrentreleasestatus.
FRecommendedtirepressurefortherearaxleThesevaluesareforcoldtires(68°F/20°C).
GInvehicleswithcollapsiblesparewheel:Sizeandtirepressureofthesparewheel.
Tiretraction
Warning!
Whendrivingonwetorslushyroads,awedgeofwatermaybuildupbetweenthetiresandtheroad.Thisphenomenonisknownas“hydroplane”andmaycausepartialorcompletelossoftraction,vehiclecontrolorstoppingability.
Reducespeedonwetsurfacetopreventthis.
Tirelife
Tirelifedependsonvariousfactors,i.e.,roadsurfaces,trafficandweatherconditions,drivinghabits,typeoftiresandtirecare.
Inspectyourtiresforwearanddamagebeforedrivingoff.Ifyounoticeunevenorsubstantialwear,wheelsmightneedalignmentortiresshouldbebalancedorreplaced.
246PracticalTips,EmergencyService

ExampleofInscription
Inscriptiononradialtire
ATiresize
Example:P265/40ZR18101Y
–P-ThetireisdesignedforPassengervehicle.Thisinformationisnotincludedonalltires.
–265-Indicationoftirewidthinmm
–40-Indicationoftireheighttotirewidthratioinpercent
–ZR-codeletterforradialtiresforspeedsabove150mph(240km/h).Therearecur-rentlynostandardsconcerningtirestrengthatspeedsabove150mph(240km/h).
–R-Belttypecodeletterforradial
–18-Indicationofrimdiameterininches
–101-Loadcapacitycoefficient
–Y-Speedcodeletter
–XL(ExtraLoad)-Tirewithincreasedloadrating
BTIN(TireIdenticationNumber)
Example:DOTxxxxxxxxxxxx
–DOTTheDOTsymbolindicatesthatthetirescomplywiththerequirementsoftheUSDepartmentofTransportationandprovidesinformationabout:
–firsttwo-digitcodemeansmanufacture’sidentificationmark.
–secondtwo-digitcodemeanstiresize.
–thirdfour-digitcodemeanstiretypecode.
252PracticalTips,EmergencyService

BoxsterSTiresRimRimoffsetTrack
Summertiresfront235/40ZR1891Y8Jx18H257mm58.5in./1486mm
rear265/40ZR18101YXL9Jx18H243mm60.2in./1528mm
orfront235/35ZR1987Y8Jx19H257mm58.5in./1486mm
rear265/35ZR1994Y9.5Jx19H246mm60.0in./1522mm
Snowtiresfront235/40R1891VM+S8Jx18H257mm58.5in./1486mm
rear255/40R1895VM+S*9Jx18H243mm60.2in./1528mm
Theloadcapacitycoefficient(e.g.“91”)andmaximumspeedcodeletter(e.g.“Y”)areminimumrequirements.
Whenchangingtiresorfittingnewones:
Pleaseobservethechapter”WHEELBOLTS”onpage260.
Danger!
InstallationofsizesnotauthorizedbyPorschemayhaveadangerouseffectonthedrivingstabilityandcouldresultinseverepersonalinjuryordeath.
Beforemountingnewtires,checkwithyourPorschedealeraboutthecurrentreleasestatus.
302VehicleIdentification,TechnicalData