2003 PORSCHE 911 CARRERA change key battery

Keys
Pleasenotechapters"CentralLockingand
AlarmSystem".
Twomainkeysandonesparekeyaresupplied
withyourPorsche.
Thesekeysoperateallthelocksonyourve-
hicle.
I>Becarefulwithyourcarkeys:donotpart
withthemexceptunderexceptionalcircum-
stances.
I>Toavoidbatteryrun-down,alwaysremovethe
ignitionkeyfromtheignitionlock.
Replacementkeys
Replacementcarkeyscanbeobtainedonly
fromyourauthorizedPorschedealer,andthis
cansometimesbeverytime-consuming.
Youshouldthereforealwayskeepthesparekey
onyourperson.
Keepitinasafeplace(e.g.wallet),butunder
nocircumstancesinoronthevehicle.
Thekeycodesofnewkeyshavetobe
"reported"tothecarcontrolunitbyyourauth-
orizedPorschedealer.
Thekeygripofthesparekeycanbeexchanged
foramain-keygrip.
Disabling
key
codes
Ifakeyislost,thekeycodescanbedisabled
byanauthorizedPorschedealer.
Alltheremainingcarkeysarerequiredforthis
purpose.
Disablingthecodeensuresthatthecarcanbe
startedonlyusingauthorizedkeys.
Note
Pleasenotethattheotherlockscanstillbeop-
enedwiththedisabledkey.
Immobilizer
Thereisatransponder(anelectroniccompo-
nent)inthekeygrip,containingastoredcode.
Whentheignitionisswitchedon,theignition
lockchecksthecode.
Theimmobilizercanbedeactivatedandtheen-
ginestartedonlyusinganauthorizedignition
key.
Note
Iftheignitionisleftonformorethantwo
minuteswithoutstartingtheengine,theimmobi-
lizerisreactivated.
I>Ifthishappens,theignitionkeymustbe
turnedbacktothe"0"positionbeforetheen-
ginecanbestarted.
Theimmobilizerisautomaticallyactivatedwhen
theignitionkeyiswithdrawn.

Security
WheelBolts
Ifwheelshavetoberemovedduringaworkshop
visit,donotforgettohandoverthesocketfor
thesecuritywheelboltsalongwiththecarkey.
Controls,Instruments
17

Stoppingengine

I>TurnkeybacktopositionO.
I>Donotstopengineimmediatelyafterhardor
extendeddriving.
Keepenginerunningatincreasedidlefor
abouttwominutestopreventexcessiveheat
build-upbeforeturningoffengine.
I>Toavoidbatteryrun-down,alwaysremovethe
ignitionkeyfromtheignitionlock.
I>Makesurethatwhenyouleavethecar,even
briefly,youhavewithdrawntheignitionkey.
I>Engagethesteeringlockbymovingthesteer-
ingwheeltotheleftorright.
Turnthesteeringwheeltothelockingposition
beforeyouswitchofftheenginesothatyou
don'thavetoexertyourselfwhenlockingor
unlockingthesteering.
/?\.Warning!
Hotenginecompartmentcomponentscan
burnskinoncontact.
I>Beforeworkingonanypartintheenginecom-
partment,turntheengineoffandletitcool
downsufficiently.

Engine-compartmentblower,
radiator
fan
Theradiatorandradiatorfansareinthefrontof
thecar.
Theengine-compartmentblowerismountedon
theenginecompartmentlid.
/?\.Warning!
Riskofinjury.
Aftertheengineisswitchedoff,theengine-
compartmentandcoolanttemperaturesare
monitoredforapprox.20minutes.
Duringthisperiod,anddependingontem-
perature,theengine-compartmentblower
andradiatorfansmaycontinuetorunor
starttorun.
I>Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.

Automaticgaragedoor

TheignitionsysteminyourPorschemayinter-
ferewithyourelectronicallyoperatedgarage
door.
I>Tocheckthis,driveyourPorscheclosetothe
garagedoor.Makesurenottointerferewith
theoperatingrangeofthedoor.
I>Runtheengineatdifferentspeeds.
Ifthegaragedooropensorcloseswithoutyou
operatingthegaragedoorunitinyourcar,con-
tactthedealerwhoinstalledtheautomaticgar-
agedoortohavethefrequencyand/orcoding
ofthegaragedoorsignalchangedormodified.
Controls,Instruments
67

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

Electrical
System

Inordertoavoiddamageandfaultsinelectrical
orelectronicsystems,electricalaccessories
shouldbeinstalledatyourauthorizedPorsche
dealer.
[>OnlyuseaccessoriesauthorizedbyPorsche.
/!\Warning!
Riskofshortcircuitandfire.
Replacingfusesorrelayswiththeengine
runningortheignitiononcouldcauseelec-
tricalshock.
[>
Disconnectedthebatteryduringallworkon
theelectricalsystem.Seechapter"Battery".
Relays
Defectiverelaysshouldbechangedonlybyan
authorizedworkshop.
212PracticalTips,EmergencyService
Radiocode
Thetheft-protectioncodeoftheradiomustbe
enteredagainifthebatterywasdisconnected.
Alarmsystem,centrallocking
Thestatusofthecentrallockingandalarm
systemisnotchangedbydisconnectingthe
battery.
Whenthebatteryisdisconnected,thealarmsys-
temceasestofunction.
Overloadprotection
Ifthecentrallockingsystemisoperatedmore
thantentimeswithinaminute,furtheroperation
isblockedfor30seconds.
Loadswitch-offaftertwohours
orfivedays
Iftheignitionkeyisremoved,loadswhichare
switchedonorinstandby(e.g.powerwindows,
luggagecompartmentlighting,interiorlight,
radio)areautomaticallyswitchedoffafterap-
proximately2hours.
Ifthevehicleisnotstartedorunlockedwiththe
remotecontrolwithinfive
days,
theremote
controlstandbyfunctionisswitchedoff(topre-
ventdischargingofthevehiclebattery).
1.Inthiscase,unlockthedriver'sdoorwiththe
keyatthedoorlock.
Leavethedoorclosedinordertopreventthe
alarmsystemfrombeingtriggered.
2.Pressbutton1ontheremotecontrol.
Theremotecontrolisnowactivatedagain.