fuel consumption PORSCHE CAYMAN 2007 1.G Owners Manual

Breakinhintsfortherst2000
miles/3000kilometers
ThefollowingtipswillbehelpfulinobtainingoptimumperformancefromyournewPorsche.
Despitethemostmodern,high-precisionmanufac-turingmethods,themovingpartsmuststillwearinwitheachother.Thiswearing-inoccursmainlyinthefirst2000miles/3000kilometers.
Therefore:
Preferablytakelongertrips.
Avoidfrequentcoldstartswithshort-distancedrivingwheneverpossible.
Avoidfullthrottlestartsandabruptstops.
Donotexceedmaximumenginespeedof4200rpm(revolutionsperminute).
DonotrunacoldengineathighrpmeitherinNeutraloringear.
Donotlettheenginelabor,especiallywhendrivinguphill.Shifttothenextlowergearintime(usethemostfavorablerpmrange).
Neverlugtheengineinhighgearatlowspeeds.Thisruleappliesatalltimes,notjustduringthebreak-inperiod.
Donotparticipateinmotorracingevents,sportsdrivingschools,etc.duringthefirst2000miles/3000kilometers.
Theremaybeaslightstiffnessinthesteering,gear-shiftingorothercontrolsduringthebreak-inperiodwhichwillgraduallydisappear.
Breakinbrakepadsandbreakdiscs
Newbrakepadsanddiscshavetobe“brokenin”,andthereforeonlyattainoptimalfrictionwhenthecarhascoveredseveralhundredmilesorkm.Theslightlyreducedbrakingabilitymustbecompensatedforbypressingthebrakepedalharder.Thisalsoapplieswheneverthebrakepadsandbrakediscsarereplaced.
Newtires
Newtiresdonothavemaximumtraction.Theytendtobeslippery.
Breakinnewtiresbydrivingatmoderatespeedsduringthefirst60to120miles/100to200km.Longerbrakingdistancesmustbeanticipated.
Engineoilandfuelconsumption
Duringthebreak-inperiodoilandfuelconsumptionmaybehigherthannormal.
Asalways,therateofoilconsumptiondependsonthequalityandviscosityofoil,thespeedatwhichtheengineisoperated,theclimateandroadconditions,aswellastheamountofdilutionandoxidationofthelubricant.
Makeahabitofcheckingengineoilwitheveryrefueling,addifnecessary.
Controls,Instruments19

A-DigitalspeedometerB-CentraldisplayC-Bottomdisplay
Functionsanddisplaypossibilities
Options
Note
Theavailableitemsanddisplaysintheon-boardcomputerdependontheequipmentofyourvehicle.Forthisreasonitispossiblethatsomeoftheitemsanddisplaysshownherearenotavailableinyouron-boardcomputer.
Basicsetting
–Centraldisplay:....Radiostation
ThecentrallineBoftheon-boardcomputercanbeselectedintheSETmenu.
Callingon-boardcomputerfunctionsindisplay
“C”
Pushoperatingleverupordown(selectionfieldDmustbeswitchedoff).
Thefollowingdisplayscanbecalledstepbystep:
–Averagespeed(ømph),
–Averageconsumption(ømpg),
–Rangeonremainingfuel(mls).
–Tirepressure
–Navigationinformation(ifactivatedintheSETmenu).
Note
Thevalues“Averagespeed”,“Averageconsump-tion”and“Dailytripmileage”canberesettozerointheSETmenu.
Switchingselectioneld“D”onoroff
Pushoperatingleverforwardorback.
Arrowsymbol“E”forcontinuation
Arrowsymbol
Pushoperatingleverdowninordertopagethroughthemenu.
Arrowsymbol
Pushoperatingleverupinordertopagethroughthemenu.
106Controls,Instruments

Reset
–Resetall,
–Resetaverageconsumption,
–Resetaveragespeed,
–Resettripcounter
Units
–Speedometer:km-km/h,miles-mph
–Consumption:l/100km,mls/gal(USA),mpg(UK),km/l
–Temperature:Celsius,Fahrenheit
–Tirepressure:bar,psi
Display(Selectcentrallineofthe
on-boardcomputer)
Changedisplay
–Audioinformation(setradiostation)
–Rangeonremainingfuel
–Empty
TelephoneInfo
–WhenTelephoneinformationisactive,incom-ingtelephonecallsaredisplayedontheon-boardcomputer.
Controls,Instruments135

Generalinformationregardingthe
on-boardcomputerfunctions
Rangeonremainingfuel
Therangeonremainingfueliscontinuouslyrecalculatedduringthejourneybasedonthefuellevel,currentconsumptionandaverageconsumption.Themorethefuellevelfalls,themorespontaneouslythedisplayreacts.Forthisreason,therangeonremainingfuelisnotdisplayediflessthan9miles(15kilometers).
Ifthevehicle’sinclinationchangeswhiledrivingorrefueling,incorrectrangeinformationmaytemporarilybegiven.
Note
Ifthetankisnearlyemptyandyoutopupwithonlyasmallquantityoffuel,anaccuraterangeonremainingfuelisimpossible.
Averageconsumptionandaveragespeed
Thevaluesdisplayedarebasedonthedistancetravelledsincethelastresetto“zero”.
Youcansetthestartingtimeforameasurementbeforeorduringthetrip.Switchingtheignitionoffdoesnotresetthemeasurements.Itisthereforepossibletocollectvaluesoverlongperiods.Disconnectingthecarbatterywillcausethesememoriestobeerased.
Tirepressure
TheTirepressurefunctionoftheon-boardcomputerdisplaysthetirepressuresdependentontemperatureinthefourwheels.Youcanwatchthetirepressureriseandfallwhiledriving.Thedisplayisonlyforinformation.Tocorrectthetirepressures,alwaysusethedisplayedvaluesfromthe“Infopressure”displayintheTirepressuremenu.
Controls,Instruments137

RoofTransportSystem
PleasefollowtheseparateinstructionsforfittingtheRoofTransportSystem.
OnlyuseRoofTransportSystemsfromthePorscheTequipmentproductrangeorRoofTransportSystemswhichhavebeentestedandapprovedforyourcarbyPorsche.Fittingnormalcommerciallyavailableluggageracksisnotpossible.
ThePorscheRoofTransportSystemallowsyoutocarryvarioussportsandhobbyequipment.YourPorschepartnerwillbepleasedtotellyouaboutthevariousdifferentusesoftheRoofTransportSystem.
Caution!
Riskofdamagetothepaintontherearlid.Onlyopentherearlidifthiscannottouchtheload.
CompletelyremovetheRoofTransportSystembeforeusinganautomaticcarwash-riskofdamagetothevehicle!
Donotexceedthemaximumpermittedpayloadof132lbs.(60kg),themaximumpermittedgrossweightandthemaximumpermittedaxleloads.
Pleaseobservethechapter”WEIGHTS”onpage302.
Distributeloadevenly,storingheavyitemsaslowaspossible.Itemsofluggagemustnotprojectbeyondthesideoftheloadarea.
Fixandsecureeveryitemtothebasiccarrierwitharopeorlashingstrap(donotuseelasticrubbertensioners).
Beforeeverytrip,andatregularintervalsduringlongtrips,checkthatRoofTransportSystemandloadaresecure.Re-tightenifnecessaryandsecureadditionallybylocking.
WhentheRoofTransportSystemisloaded,themaximumspeeddependsonthenature,sizeandweightoftheloadbeingcarried.Butneverdrivefasterthan90mph(140km/h).
Withthebasiccarrierfittedandnoload,donotexceedamaximumspeedof110mph(180km/h).
Driving,brakingandsteeringbehaviorchangeduetothehighercenterofgravityandthegreaterwind-resistantarea.Youshouldadaptyourdrivingstyleappropriately.
SincefuelconsumptionandnoiseareincreasedwiththeRoofTransportSystemfitted,itshouldnotremainonthevehicleifnotinuse.
Controls,Instruments191

EngineOil
Engineoilconsumption
Itisnormalforyourenginetoconsumeoil.Therateofoilconsumptiondependsonthequalityandviscosityofoil,thespeedatwhichtheengineisoperated,theclimate,roadconditionsaswellastheamountofdilutionandoxidationofthelubricant.
Ifthevehicleisusedforrepeatedshorttrips,andconsumesanormalamountofoil,theengineoilmeasurementmaynotshowanydropintheoillevelatall,evenafter600miles(1000km)ormore.Thisisbecausetheoilisgraduallybecomingdilutedwithfuelormoisture,makingitappearthattheoillevelhasnotchanged.Thedilutingingredientsevaporateoutwhenthevehicleisdrivenathighspeeds,asonanexpressway,makingitthenappearthatoilisexcessivelyconsumedafterdrivingathighspeeds.
Iftheconditionsyoudriveyourvehicleinaredusty,humid,orhot,thefrequencyoftheoilchangeintervalsshouldbegreater.
Ifthevehicleisdrivenatahighrateofspeed,climaticconditionsarewarm,andtheloadishigh,theoilshouldbecheckedmorefrequently,asdrivingconditionswilldeterminetherateofoilconsumption.
–Theengineinyourvehicledependsonoiltolubricateandcoolallofitsmovingparts.
Therefore,theengineoilshouldbecheckedregularlyandkeptattherequiredlevel.
–Makeitahabittohavetheengineoillevelcheckedwitheveryfuelfilling.
–Theoilpressurewarninglightisnotanoillevelindicator.Theoilpressurewarninglightindicatesseriousenginedamagemaybeoccuringwhenlit,ifenginerpmisaboveidlespeed.
Maintenance,CarCare207

FuelEconomy
Fueleconomywillvarydependingonwhere,whenandhowyoudrive,optionalequipmentinstalled,andthegeneralconditionofyourcar.Acartunedtospecicationsandcorrect-lymaintained,willhelpyoutoachieveoptimalfueleconomy.
Haveyourvehicletunedtospecifications.Aircleanershouldbedirtfreetoallowproperengine“breathing”.Batteryshouldbefullycharged.Wheelsshouldbeproperlyaligned.Tiresshouldbeinflatedtothecorrectpres-sure.
Alwaysmonitoryourfuelconsumption.
Drivesmoothly,avoidabruptchangesinspeedasmuchaspossible.
Avoidjackrabbitstartsandsuddenstops.
Donotdrivelongerthannecessaryinthelowergears.Shiftingintoahighergearearlywithoutluggingtheenginewillhelpsavefuel.
Prolonged“warmup”idlingwastesgas.Startthevehiclejustbeforeyouarereadytodrive.Accelerateslowlyandsmoothly.
Switchofftheengineifstationaryforlongerperiods(trafficlights,jams,levelcrossings).
Anyadditionalweightcarriedinthevehiclereducesfueleconomy.Alwayskeepcargotoaminimumandremoveallunnecessaryitems.
Organizeyourtripstotakeinseveralerrandsinonetrip.
Allelectricalaccessoriescontributetoincreasedfuelconsumption.
Onlyswitchontheairconditioningwhennecessary.
TheEPAestimatedmilespergallon(mpg)istobeusedforcomparisonpurposes,actualmileagemaybedifferentfromtheestimatedmpg,dependingonyourdrivingspeed,weatherconditionsandtriplength.Youractualhighwaymileagewillprobablybelessthantheestimatedmpg.
Pleaseobservealllocalandnationalspeedlimits.
214Maintenance,CarCare

Compressor...............................................176Coolant........................................97,205,301Level...................................................205Temperaturegauge.................................97Warninglight...........................................97Coolingsystem.....................................97,205Cruisecontrol...............................................92Cupholder..................................................170
DDashboard...................................................82Databank...................................................292Defrostingwindows.............................156,159Diagnosticsocket.................................19,259Diagrams...................................................303Dimensions................................................303Dippedbeam..............................................271Door............................................................31Guardlights..........................................283Handles.................................................31Locks............................................31,229Mirrorheating.........................................38Windows..................................31,34,231Drivinghints..................................................15Drivinginwinter...........................................199Drivingperformance....................................300Drop-centerrim...........................................247DVDNavigation...........................................176
EElectricalsystem.........................................259Emergencyflasher......................................163
Emergencyoperation....................................29Centrallocking..................................25,29Lids.....................................................260Tankcap..............................................217Emergencyprogram,Tiptronic.....................199Emergencyservice......................................236Emergencystartingwithjumpercables..........268Emissioncontrolsystem...........7,102,220,221EngineCheckingtheoillevel.............................131Compartment...............................202,236Compartmentblower.........................87,97Exhaust...................................................9Number...............................................293Oilconsumption......................................19Oillevelindicator...................................131Oils......................................................301Speeds..................................................19Starting.................................................83Switchingoff..........................................83Environment...................................................6
FFireextinguisher..........................................172Flattire.......................................................250Floormats..................................................233Foglights...................................147,276,279Footwelllight........................................81,282Frontlid......................................................174Trunkentrapment..................................173Frontluggagecompartment.........................176
Fuel.................................................5,99,216Containers...............................................8Economy.............................................214Evaporation..........................................222Levelgauge............................................99Levelwarninglight...................................99PortableContainers..............................218Recommendation..................................219Tank............................................216,217Functionkeys................................................47Fuses.........................................................259
GGaragedooropener....................................188Garagelift..................................................253Gearchanging.............................................194Glovecompartment.....................................167Gong......................................21,85,108,147Groundclearance............................................9
HHandbrake...................................................65Hands-freemicrophon....................................82Headlights..........................................149,271Adjusting......................................284,285Cleaningsystem...........................150,301HeadligthsCleaningsystem...................................223Heatedrearwindow.......................................38Heating..............................................156,159HighbeamIndicatorlight..........................................96
Index309