stop start PORSCHE 911 CARRERA 2003 4.G User Guide

0Voltmeter
Indicatesthebatteryvoltage.
Normalrange:12to16volts.
Thevoltagemaydropconsiderablywhenthe
vehicleisbeingstarted.

Ifthegaugeiscontinuallybelow
12
volts
whentheengineisrunning:

t>Havethebatterychargingsystemcheckedat
anauthorizedPorschedealer.
72Controls,Instruments
Battery
e
Warninglight
Thewarninglightintheinstrumentpanelcomes
onwhenignitionisswitchedonandmustgooff
whenengineisrunning.

Ifthewarninglightsintheinstrumentpanel
andon-boardcomputercomesonwhilethe
engineisrunningorwhiledriving:

t>Stopthecarinasafeplaceandstoptheen-
gine.
Possible
causes

-Defectinthebatterychargingsystem.
-Brokendrivebelt.

/!\Warning!
Riskofanaccidentandriskofenginedam-
age.
Abrokendrivebeltmeansthereisno
powerassistancetothesteering(moreef-
fortisrequiredtosteer)andcoolantpump
functionwillstop.

t>Donotcontinuedriving.
t>Havethefaultremediedatthenearestauth-
orizedPorschedealer.
A-Adjustmentbuttonforinstrumentilluminationand
tripcounter
.~AutomaticSpeedControl
Indicatorlight
Indicatesautomaticspeedcontrolreadiness.

"Oil"
Displayandmeasurementoftheengine
oillevel
/!\Caution!
Riskofenginedamage.
I>Regularlychecktheoilleveleachtimethecar
isrefuelled.
I>Donotallowtheoilleveltofallbelowthe
minimummark.
Conditionsformeasuringtheoillevel
1.Vehicleislevel.
2.Engineisoff.
3.Ignitionon.
Oilreturntime
Beforetheoillevelismeasured,theengineoil
hastohaveflowedbackintotheoilpan.
Thetimetakenfortheengineoiltoflowback
dependsontheenginetemperatureandhow
longtheenginehasbeenstopped.
Thiswaitingtimeiscounteddowninthe
on-boardcomputerdisplaywhentheignitionis
switchedon.Theoilleveldisplaysegmentsstart
to"cycle".
86Controls,Instruments
Itisbesttomeasuretheengineoillevelwiththe
engineatoperatingtemperature.Correctmeas-
urementsandshortwaitingtimesareachieved
inthisway.
Initiatingoillevelmeasurement
I>Switchignitionon(donotstarttheengine).
Theengine-oillevelmeasurementdisplay
appearsintheon-boardcomputer.
I>Allowwaitingtimetoelapse.
Oncethemeasurementhasbeencompleted,
youcanreadofftheengineoillevelontheseg-
mentdisplay.
Iftheoillevelhasfallenbelowthemin.mark,
thesegmentbelowthemin.markflashes.
Thedifferencebetweenthemin.andmax.
marksonthesegmentdisplayisapprox.1.25
litres.
Onesegmentofthedisplaycorrespondstoa
quantityofapprox.0.2litre.
I>Addengineoilifnecessary.
Refertothechapter"Engineoillevel".
Beforeaddingoil,switchignitionoff.
Neveraddmoreengineoilthanrequiredto
reachthemax.mark.

Oillevelmeasurementduringrefuelling

Theoillevelisautomaticallymeasuredduring
refuelling.Iftheoillevelistoolow,"Checkoil
level"appearsintheon-boardcomputerdisplay.
However,thismeasurementisperformedonlyif
thefollowingpreconditionsaremet:
Engineisatoperatingtemperature,ignitionis
off,refuellingiscompletedwithin15minutes.
Failure
Afailureoftheoilleveldisplayisindicatedbya
warningmessageintheon-boardcomputer.

Slipmonitoring

Whenthespeedsofrotationofthefrontand
rearaxlesdifferbymorethanthemaximumper-
missiblevalue,integratedslipmonitoringshifts
uptothenextgear.
Thisincreasesdrivingstabilityonaslipperysur-
face.
Note
Slipmonitoringisalsodeactivatedwhen
PorscheStabilityManagement(PSM)isswitched
off.

Stopping

[>
Forabriefstop,e.g.atatrafficlight,leave
theselectorleverindrivepositionandhold
thevehiclewiththebrakepedal.
[>Foralongerstopwiththeenginerunning,
selectpositionN(neutral).
[>
Donotholdthecaronaslopeusingthe
accelerator.Usethebrakepedalorthehand-
brakeinstead.
[>Beforeleavingthevehicle,alwaysapplythe
handbrakeandmovetheselectorleverto
positionP.
134ShiftingGear

Parking

[>
Goeasyontheaccelerator.
[>
Whenparkingormanoeuveringinasmall
space,controlthespeedbycarefuluseof
thefootbrake.

Drivinginwinter

Inwinteryroadconditionsitisadvisabletotake
steepinclinesinmanualmode.Thispreventsthe
occurrenceofgearchangesthatcouldcause
wheelspin.

Tow-starting,towing

Refertothechapter"Towing".

Emergencyprogram

Atransmissionfaultisindicatedbythefollowing
symptoms:
-4th
gear
flashesonthedisplayoftheinstru-
mentcluster.
-Thewarning"Tiptronicemergencyrun"
appearsintheon-boardcomputer.
-Thetransmissionnolongershifts.
A.Warning!
Reverse
gear
lockmonitoringisdisabledin
theemergencyrunningprogram.
Damagetothevehiclemayresultaswell
aslossofcontrol,ifthevehicleismoving
forwardfastenoughtocauserearwheel
lockup.
[>
DonotshiftintoRwhilethevehicleismoving
forward.
Proceedasfollowsintheeventofatrans-
missionfault:
1.Stopinasafeplace.
2.MoveselectorlevertopositionP,switchthe
ignitionoffandwaitfor10seconds.
3.Starttheengine.
2ndgearinselectorpositionDandreverse
gearRarenowavailableandwillallowyouto
reachthenearestauthorizedPorschedealer.
4.Toremedythefault,pleaseconsultanauth-
orizedPorschedealerimmediately.

B-Closingthelifting/slidingroof
I>Pressfrontofrockerswitchuntillifting/slid-
ingroofreachesthedesiredposition.
One-touchoperation
I>Touchfrontofrockerswitch-lifting/sliding
roofclosesfullytoitsendposition.
Stopitinanypositionbytouchinganybutton.
Closingthelifting/slidingroofautomat-
icallywhenthevehicleislocked
I>Holdthecarkeyinthedoorlockinlocking
positionuntilthelifting/slidingroofreaches
thedesiredposition.
C-Liftingthelifting/slidingroof
I>Presscenterofrockerswitchuntillift-
ing/slidingroofreachesthedesiredposition.
One-touchoperation
I>Touchcenterofrockerswitch-lifting/sliding
roofopensfullytoitsendposition.
Stopitinanypositionbytouchinganybutton.
B-Loweringthelifting/slidingroof
I>Pressfrontofrockerswitchuntillifting/slid-
ingroofreachesthedesiredposition.
Thestandbyfunctionoftheroofdrive
switchesoffaftertwohours
Ifthevehicleisunlocked,thelifting/slidingroof
cannolongerbeoperatedaftertwohours
(preventionofbatterydischarging).
Thepowersupplyisswitchedbackonwhenthe
ignitionisswitchedonortheenginestarted.
I>I>I>
MobileRoofs
137

FuelEconomy
Fueleconomywillvarydependingon
where,whenandhowyoudrive,optional
equipmentinstalled,andthegeneralcondi-
tionofyourcar.
Acartunedtospecificationsandcorrectly
maintained,willhelpyoutoachieveoptimal
fueleconomy.
I>Haveyourvehicletunedtospecifications.
Aircleanershouldbedirtfreetoallowproper
engine"breathing".
Batteryshouldbefullycharged.
Wheelsshouldbeproperlyaligned.
Tiresshouldbeinflatedatcorrectpressure.
I>Alwaysmonitoryourfuelconsumption.
I>Drivesmoothly,avoidabruptchangesin
speedasmuchaspossible.
I>Avoidjackrabbitstartsandsuddenstops.
I>Donotdrivelongerthannecessaryinthe
lowergears.Shiftingintoahighergearearly
withoutluggingtheenginewillhelpsavefuel.
I>Prolonged"warmup"idlingwastesgas.Start
thevehiclejustbeforeyouarereadytodrive.
Accelerateslowlyandsmoothly.
I>Switchofftheengineifstationaryforlonger
periods.
I>Anyadditionalweightcarriedinthevehiclere-
ducesfueleconomy.Alwayskeepcargotoa
minimumandremoveallunnecessaryitems.
I>Organizeyourtripstotakeinseveralerrands
inonetrip.
I>Allelectricalaccessoriescontributetoin-
creasedfuelconsumption.
I>Onlyswitchontheairconditioningwhen
necessary.
I>DonotdrivewiththeRoofTransportSystem
mountedunlessyouneedit.
TheEPAestimatedm.p.g.istobeusedfor
comparisonpurposes,actualmileagemay
bedifferentfromtheestimatedm.p.g.,de-
pendingonyourdrivingspeed,weather
conditionsandtriplength.Youractual
highwaymileagewillprobablybelessthan
theestimatedm.p.g.
I>Pleaseobservealllocalandnationalspeed
limits.
OperatingYourPorscheinother
Countries
GovernmentregulationsintheUnitedStatesand
Canadarequirethatautomobilesmeetspecific
emissionregulationsandsafetystandards.
Therefore,carsbuiltfortheU.S.andCanada
differfromvehiclessoldinothercountries.
IfyouplantotakeyourPorscheoutsidethecon-
tinentallimitsoftheUnitedStatesorCanada,
thereisthepossibilitythat
-unleadedfuelmaynotbeavailable;
-unleadedfuelmayhaveaconsiderablylower
octanerating.Excessiveengineknockand
seriousdamagetobothengineandcatalytic
converterscouldresult;
-servicemaybeinadequateduetolackof
properservicefacilities,toolsordiagnostic
equipment;
-replacementpartsmaynotbeavailableor
verydifficulttoget.
Porsche
cannot
beresponsibleforthe
mechanicaldamagethatcouldresultbe-
causeofinadequatefuel,serviceorparts
availability.
IfyoupurchasedyourPorscheabroadandwant
tobringitbackhome,besuretofindoutabout
shippingandforwardingrequirements,aswell
ascurrentimportandcustomsregulations.
Maintenance,CarCare
175

Refuelling
Fueltankcapacityislistedunder"Capacities".
Porschedoesnotrecommendtheuseoffuel
additives.
1.Important:Stoptheengineandswitchoff
theignition.
2.Slowlyunscrewthetankcap.
Hangthetankcapontheplasticstrapofthe
fillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneck
withthehandleofthefuel-hosenozzlefacing
down.
4.Donotaddfurtherfueloncethecorrectly
operatedautomaticfuel-hosenozzlehas
switchedoff.
Fuelcouldsprayorcouldrunoverinwarm
temperatures.
5.Replacethetankcapimmediatelyafter
refuellingandturnituntilyouhearitandfeel
itengage.

Ifyoulosethetankcap,youmustreplace
itonlywithanoriginalparttoreducethe
possibilityofafireintheeventofacolli-
sion.

Note
Theoillevelisautomaticallymeasuredduring
refuelling.
Themeasuredoillevelisdisplayedforapproxi-
matelyoneminutewhentheignitionisswitched
onortheengineisstarted.
However,thismeasurementisperformedonlyif
thefollowingpreconditionsaremet:
Engineisatoperatingtemperature,ignitionis
off,refuellingiscompletedwithin15minutes.
FuelRecommendations
YourPorscheisequippedwithcatalyticconver-
tersandmustuseUNLEADEDFUELONLY.
Yourengineisdesignedtoprovideoptimumper-
formanceandfueleconomyusingunleadedpre-
miumfuelwithanoctaneratingof98RON
(93CLCorAKI).Porschethereforerecom-
mendstheuseofthesefuelsinyourvehicle.
Porschealsorecognizesthatthesefuelsmay
notalwaysbeavailable.Beassuredthatyour
vehiclewilloperateproperlyonunleadedpre-
miumfuelswithoctanenumbersofatleast
95RON(90CLCorAKI).sincetheengine's
"ElectronicOktaneTMknockcontrol"willadapt
theignitiontiming,ifnecessary.

Theuseof
UNLEADEDFUELONLY
iscriti-
callyimportanttothelifeofthecatalytic
converters.Depositsfromleadedfuelswill
ruintheconvertersandmakeitineffective
asanemissioncontroldevice.

Carswithcatalyticconvertershaveasmaller
fueltankopening,andgasstationpumpshave
smallernozzles.Thiswillpreventaccidental
pumpingofleadedfuelintocarswithcatalytic
converters.
I>I>I>
Maintenance,CarCare
177

Unleadedfuelsmaynotbeavailableoutsidethe
continentalU.S.andCanada.Therefore,werec-
ommendyoudonottakeyourcartoareasor
countrieswhereunleadedfuelmaynotbeavail-
able.

Octaneratings

Octaneratingindicatesafuel'sabilitytoresist
detonation.Therefore,buyingthecorrectoctane
gasisimportanttopreventengine"damage".
TheRONoctaneratingisbasedontheresearch
method.TheCLC(U.S.CostofLivingCouncil
octanerating)orAKI(antiknockindex)octane
ratingusuallydisplayedonU.S.fuelpumpsis
calculatedasresearchoctanenumberplus
motoroctanenumber,dividedby2,thatiswrit-
tenas:
RON+MON
2
orR+M
2
TheCLCorAKIoctaneratingisusuallylower
thantheRONrating:
Forexample:95RONequals90CLCorAKI
178Maintenance,CarCare
Fuels
containing
alcohol
andether

SomeareasoftheU.S.requireoxygenated
fuelsduringcertainportionsoftheyear.Oxyge-
natedfuelsarefuelswhichcontainalcohols
(suchasmethanolorethanol)orether(suchas
MTBE).
Undernormalconditions,theamountofthese
compoundsinthefuelwillnotaffectdriveability.
YoumayuseoxygenatedfuelsinyourPorsche,
providedtheoctanerequirementsforyourve-
hiclearemet.Werecommend,however,to
changetoadifferentfuelorstationifanyofthe
followingproblemsoccurwithyourvehicle:
-Deteriorationofdriveabilityandperformance.
-Substantiallyreducedfueleconomy.
-Vaporlockandnon-startproblems,especially
athighaltitudeorathightemperature.
-Enginemalfunctionorstalling.
Fuels
containing
MMT
SomeNorthAmericanfuelscontainanoctane
enhancingadditivecalledmethylcyclopentadienyl
manganesetricarbonyl(MMT).
Ifsuchfuelsareused,youremissioncontrol
systemperformancemaybenegativelyaffected.
Thecheckenginewarninglightonyourinstru-
mentpanelmayturnon.
Ifthisoccurs,Porscherecommendsyoustop
usingfuelscontainingMMT.
PortableFuelContainers

A
Danger!
Portablefuelcontainers,fullorpartially
empty,mayleakcausinganexplosion,or
resultinfireincaseofanaccident.

t>Nevercarryadditionalfuelinportablecon-
tainersinyourvehicle.

p
Paint
-Care185-193
-Data242
Parking
-Aids48,49
-Assistant48,49
-Brake52,53
-Light100,228,231
Particlefilter183
Passengerairbag,switchingoff41-45
Passengercompartment
monitoring,infrared24,25
Platformlift205
Plasticparts190
Porschecommunication
management(PCM)123
Porschestabilitymanagement(PSM)58,59
Powermeasurements60
Powersteeringfluidlevel182,250
Powerwindows20,26,27,140
Practicaltips196-239
262Index
R
Radiatorfan67,170
Radioreception124,125
Rainsensor103
Rangeonremainingfuel89
Rearfoglight100,231
Rearlid118,119
Rearlid(Targa)161-165
Rearseatbackrest37
Rearspoiler50,51
Rearviewmirrors28,29,49
Rearwindowdefogger30
RearwiperIII
Relays212
Remotecontrol18,19
Replacingbulbs222-235
Replacingwiperblades184
Replacementkey17
Retractablespoiler,rear50,51
Rollerblind(Targa)162
Rolloverprotectionsystem46,47
Roof
-Liftingjsliding136-139
-Transportsystem166,252-254
Runningin14
s
Safetybelts38-40,192
Safetycompliancesticker243
Seals..190
Seat32-37
-Adjustment32-37
-Heating36
-Memory34,35
Selectorleverpositionindicator130
Shiftlock..129
Sidemarkerlight100,230,231
Sidememberpanels51
Slidingroof136-139
Snowchains203,248
Spacerrings207
Sparekey17,18
Sparewheel120,121,206,207,211,248
Speed
-Control72,104,105
-Gong84
Speedometer74
Spoiler,retractable50,51
Sportsexhaustsystem123
Startingandstoppingtheengine64-67
Steeringwheel
-Adjustment37
-Lock64,65
-Toggleswitches129-134
Storageoptions116,117
Storagetray117
StoringyourPorsche..193
Sunvisors31