ESP PORSCHE 911 GT3 2004 5.G Owner's Manual

A-
Opening luggagecompartment lid

B -
Opening enginecompartment lid

Luggage Compartment Lidand
Engine Compartment Lid

Unlocking

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Operate theappropriate pull-buttonnexttothe
driver's seat.
The luggage compartment orengine compart-
ment isilluminated whentherespective lidis
open.

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Please observe thechapter "LOADSWITCH-
OFF AFTER TWOHOURS ORFIVE DAYS" on
Page 152.
Controls, Instruments The
luggage compartment lidcan also beun-
locked withtheradio remote control.

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Please observe thechapter "KEYS"onPage

19.

Important Note

If the vehicle batteryisdischarged, thelids can be
opened onlybyconnecting anexternal electrical
power source.

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Observe thedescription insidethefuse box
cover.

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Please observe thechapter "EMERGENCY UN-
LOCKING OFTHE LUGGAGE COMPARTMENT
LID AND ENGINE COMPARTMENT LID"on
Page 154.
• Warning light
The warning lightsinthe instrument panelandin
the on-board-computer comeonifthe lids arenot
completely closed.

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Fully close thelid.

CarAudio OperationlTips

For radio operation seeyour radio manual
which isincluded withyour on-board
literature.

t>
Please observe thechapter "LOADSWITCH-
OFF AFTER TWOHOURS ORFIVE DAYS" on
Page 152.

FM
reception

A vehicle isnot anideal place tolisten toaradio.
Because thevehicle moves, reception conditions
are constantly changing.
Buildings, terrain,signaldistance andnoise from
other vehicles areallworking againstgoodrecep-
tion. Some conditions ofFM may appear tobe prob-
lems when theyarenot.
The following characteristics arecompletely nor-
mal foragiven reception area,andthey donot In-
dicate anyproblem withtheradio itself.

Note
Electronic accessories shouldonlybeinstalled by
your authorized Porschedealer.
Equipment whichhasnotbeen tested andap-
proved byPorsche mayimpair radioreception.
Fading
anddrifting

FM range islimited toabout 25miles (40km),
except forsome highpower stations.
If avehicle ismoving awayfromthedesired sta-
tion's transmitter, thesignal willtend tofade and!
or drift. Thiscondition ismore prevalent withFM
than AM,andisoften accompanied bydistortion.
Fading anddrifting canbeminimized toacertain
degree bycareful attention tofine tuning orselec-
tion ofastronger signal.

Static andfluttering

When theline-{)f-sight linkbetween atransmitter
and vehicle isblocked bylarge buildings ormoun-
tains theradio sound maybeaccompanied with
stati~ orfluttering becauseofthe characteristic of

FM.

In asimilar effect,afluttering noiseissometimes
heard whendriving alongatree-lined road.
This static andfluttering canbereduced byadjust-
ing the tone control forgreater bassresponse un-
til the disturbance haspassed.
Multipath

Because ofthe reflecting characteristics ofFM,
direct andreflected signalsmayreach theanten-
na atthe same time(multipath) andcancel each
other out.
As avehicle movesthrough theseelectronic dead
spots, thelistener mayhear amomentary flutter
or loss ofreception.

Station swapping

When twoFMstations areclose toeach other, and
an electronic deadspot, suchasstatic ormulti-
path area, interrupts theoriginal signal,some-
times thestronger secondsignalwillbeselected
automatically untiltheoriginal onereturns.
This swapping canalso occur asyou drive away
from theselected stationandapproach another
station ofastronger signal.

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Controls, Instruments
105

Gearshifting

The positions ofthe gears areshown onthe gear-
shift lever.

j!\
Warning!
Risk ofan accident.

~ Always checkthemovement ofthe clutch ped-
al before driving andmake surethatitis not
obstructed byafloor matorany other object.
~ Secure thefloor mattoprevent itfrom sliding
into positions thatcould interfere withthesafe
operation ofyour vehicle.
Your Porsche dealercanoffer youfloor mats
of the correct sizeincluding asecuring possi-
bility.

To avoid damage tothe clutch andtransmis-
sion:

~ Always depress theclutch pedalfullywhen
changing gears.
Make surethatthegearshift leveriscomplete-
ly engaged.
~ Only shiftintoreverse whenthecar has come
to acomplete stop.
~
Permitted enginespeed

~ Change intoahigher gearbefore theneedle
reaches thered mark onthe tachometer, or
ease offthe accelerator.
If the redzone isreached duringacceleration, fuel
feed isinterrupted.

j!\
Caution!
To avoid severe engine damage.

~ Always observe theengine rpmbefore down-
shifting toalower gear,soyou donot exceed
the maximum enginerpm.

Reverse

~ Depress theclutch pedalforseveral seconds
before shifting intoreverse.
Only then move thegearshift levertothe left,
overcoming thespring tension, andthen tothe
front.
Both back-up lightscome onwhen thetransmis-
sion isput into reverse (withignition on).
Controls,Instruments
109

Exercise ExtremeCautionwhen
Working onyour Vehicle

/!\
Warning!
Ignoring thefollowing instructions may
cause serious personal injury.

~ The engine compartment ofany motor vehicle
is apotentially hazardous area.Ifyou arenot
fully familiar withproper repairprocedures, do
not attempt theadjustments describedonthe
following pages.
This caution appliestothe entire vehicle.
~ Only work onyour vehicle outdoors orinawell
ventilated area.
~ Ensure thatthere arenoopen flames inthe
area ofyour vehicle atany time when fuel
fumes mightbepresent. Beespecially cau-
tious ofsuch devices suchashot water heat-
ers which igniteaflame intermittently.
~ Before working onany part inthe engine com-
partment, turntheengine offand letitcool
down sufficiently. Hotengine compartment
components canburn skinoncontact.
~ Bealert andcautious aroundengineatall
times whiletheengine isrunning.
If work hastobe performed withtheengine
running, alwayssetthe parking brake,and
make suretheshift lever isinneutral position.

1
Maintenance, CarCare ~
Inparticular, bevery careful toensure that
items ofclothing (ties,shirt, sleeves etc.),
jewelry, longhair,hand orfingers cannotget
caught inthe engine-compartment blower,fan,
belts orother moving parts.
The radiator andradiator fansareinthe front
of the car.
The engine-compartment blowerismounted
on the engine compartment lid.
The fans canstart orcontinue runningasa
function oftemperature, evenwiththeengine
switched off.
Carry outwork inthese areasonlywiththeen-
gine off,theignition switched off,and exercise
extreme caution.
~ Your Porsche isequipped withanelectronic ig-
nition system. Whentheignition ison, high
voltage ispresent inall wires connected with
the ignition system; therefore, exerciseex-
treme caution whenworking onany part ofthe
engine whiletheignition ison orthe engine is
running.
~ Always support yourcarwith safety stands ifit
is necessary towork under thecar.
~ When working underthecarwithout safety
stands butwith thewheels onthe ground,
make surethecarison level ground, the
wheels areblocked, andthat theengine
cannot bestarted.
Remove theignition key. ~
Donot smoke orallow anopen flame around
the battery orfuel.
Keep afire extinguisher inclose reach.
~ Incomplete orimproper servicingmaycause
problems inthe operation ofthe car. Ifin doubt
about anyservicing, haveitdone byyour
authorized Porschedealer.
Improper maintenance duringthewarranty
period mayaffect yourPorsche warranty cov-
erage.
~ Supplies offluids, e.g.engine oil,brake fluidor
coolant, arehazardous toyour health.
Keep these fluidsoutofchildren's reachand
dispose ofthem inaccordance withtheappro-
priate regulations.
~ Some countries requireadditional toolsand
special sparepartstobe carried.
Please makeenquiries beforedriving abroad.

Power measurements

Power measurements ondynamometers arenot
approved byPorsche.

Engine-compartment blower,
radiator fan

The radiator andradiator fansareinthe front of
the car.
The engine-compartment blowerismounted on
the engine compartment lid.

A
Warning!
Risk ofinjury.
After theengine isswitched off,theengine-
compartment andcoolant temperatures are
monitored forapprox. 20minutes.
During thisperiod, anddepending ontem-
perature, theengine-compartment blower
and radiator fansmaycontinue torun or
start torun.

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Carry outwork inthese areasonlywiththeen-
gine off,the ignition switched off,and exercise
extreme caution.

1
Maintenance, CarCare
Engine
Oil

Engine oilconsumption

It is normal foryour engine toconsume oil.
The rate ofoil consumption dependsonthe quality
and viscosity ofoil, the speed atwhich theengine
is operated, theclimate, roadconditions aswell
as the amount ofdilution andoxidation ofthe
lubricant.
If the vehicle isused forrepeated shorttrips, and
consumes anormal amount ofoil, the engine oil
measurement maynotshow anydrop inthe oil
level atall, even after600miles (1000 km)or
more. Thisisbecause theoilisgradually becom-
ing diluted withfuelormoisture, makingitappear
that theoillevel hasnotchanged.
The diluting ingredients evaporateoutwhen the
vehicle isdriven athigh speeds, ason anexpress-
way, making itthen appear thatoilisexcessively
consumed afterdriving athigh speeds.
If the conditions youdrive yourvehicle inare
dusty, humid, orhot, thefrequency ofthe oil
change intervals shouldbegreater. If
the vehicle isdriven atahigh rateofspeed,
climatic conditions arewarm, andtheload ishigh,
the oilshould bechecked morefrequently, as
driving conditions willdetermine therate ofoil
consumption.
- The engine inyour vehicle depends onoilto
lubricate andcool allofits moving parts.
Therefore, theengine oilshould bechecked
regularly andkept atthe required level.
- Make ita habit tohave theengine oillevel
checked withevery fuelfilling.
- The oilpressure warninglightisnot anoillevel
indicator.
The oilpressure warninglightindicates serious
engine damage maybeoccuring whenlit,ifen-
gine rpmisabove idlespeed.

FuelEconomy

Fuel economy willvary depending onwhere,
when andhow youdrive, optional equipment
installed, andthegeneral condition ofyour
car.
A car tuned tospecifications andcorrectly
maintained, willhelp youtoachieve optimal
fuel economy.

~ Have yourvehicle tunedtospecifications.
Air cleaner shouldbedirt free toallow proper
engine "breathing".
Battery shouldbefully charged.
Wheels shouldbeproperly aligned.
Tires should beinflated atcorrect pressure.
~ Always monitor yourfuelconsumption.
~ Drive smoothly, avoidabrupt changes inspeed
as much aspossible.
~ Avoid jackrabbit startsandsudden stops.
~ Donot drive longer thannecessary inthe lower
gears. Shifting intoahigher gearearly without
lugging theengine willhelp save fuel.
~ Prolonged "warmup"idling wastes gas.Start
the vehicle justbefore youareready todrive.
Accelerate slowlyandsmoothly.
~ Switch offthe engine ifstationary forlonger
periods.
Maintenance, CarCare ~
Any additional weightcarried inthe vehicle re-
duces fueleconomy. Alwayskeepcargo toa
minimum andremove allunnecessary items.
~ Organize yourtripstotake inseveral errands
in one trip.
~ Allelectrical accessories contributetoin-
creased fuelconsumption.
~ Only switch onthe airconditioning whenneces-
sary.
~ Donot drive withtheRoof Transport System
mounted unlessyouneed it.

The EPA estimated m.p.g.isto be used for
comparison purposes,actualmileage may
be different fromtheestimated m.p.g.,
depending onyour driving speed,weather
conditions andtriplength. Youractual
highway mileagewillprobably beless than
the estimated m.p.g.

~ Please observe alllocal andnational speed
limits.
Operating
YourPorsche inother
Countries

Government regulationsinthe United States and
Canada requirethatautomobiles meetspecific
emission regulations andsafety standards. There-
fore, carsbuiltforthe U.S. andCanada differfrom
vehicles soldinother countries.
If you plan totake your Porsche outsidetheconti-
nentallimits ofthe United States orCanada, there
is the possibility that
- unleaded fuelmay notbeavailable;
- unleaded fuelmay have aconsiderably lower
octane rating.Excessive engineknockandse-
rious damage toboth engine andcatalytic con-
verters couldresult;
- service maybeinadequate duetolack ofprop-
er service facilities, toolsordiagnostic equip-
ment;
- replacement partsmaynotbeavailable orvery
difficult toget.

Porsche cannotberesponsible forthe
mechanical damagethatcould result
because ofinadequate fuel,service orparts
availability.

If you purchased yourPorsche abroadandwant to
bring itback home, besure tofind outabout ship-
ping andforwarding requirements, aswell ascur-
rent import andcustoms regulations.

Octane ratings

The CLC orAKI octane ratingisusually lowerthan
the RON rating:
For example: 95RON equals 90CLC orAKI
Unleaded
fuelsmaynotbeavailable outsidethe
continental U.S.andCanada. Therefore, werec-
ommend youdonot take your cartoareas or
countries whereunleaded fuelmay notbeavail-
able.
Octane ratingindicates afuel's ability toresist det-
onation. Therefore, buyingthecorrect octanegas
is important toprevent engine"damage".
The RON octane ratingisbased onthe research
method. TheCLC (U.S. CostofLiving Council oc-
tane rating) orAKI (antiknock index)octane rating
usually displayed onU.S. fuelpumps iscalculated
as research octanenumber plusmotor octane
number, dividedby2,that iswritten as:
Fuels
containing MMT

Some NorthAmerican fuelscontain anoctane en-
hancing additive calledmethylcyclopentadienyl
manganese tricarbonyl(MMT).

If
such fuels areused, youremission controlsys-
tem performance maybenegatively affected.
The check engine warning lightonyour instrument
panel mayturnon.

If
this occurs, Porsche recommends youstop us-
ing fuels containing MMT.
Portable FuelContainers

/!\
Danger!
Portable fuelcontainers, fullorpartially
empty, mayleakcausing anexplosion, orre-
sult infire incase ofan accident.

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Never carryadditional fuelinportable contain-
ers inyour vehicle.

Fuels
containing alcoholandether

Some areasofthe U.S. require oxygenated fuels
during certain portions ofthe year. Oxygenated fu-
els are fuels which contain alcohols (suchasmeth-
anol orethanol) orether (such asMTBE).
Under normal conditions, theamount ofthese
compounds inthe fuel willnot affect driveability.
You may useoxygenated fuelsinyour Porsche,
provided theoctane requirements foryour vehicle
are met. Werecommend, however,tochange to
a different fuelorstation
if
any ofthe following
problems occurwithyour vehicle:
- Deterioration ofdriveability andperformance.
- Substantially reducedfueleconomy.
- Vapor lockandnon-start problems, especially
at high altitude orathigh temperature.
- Engine malfunction orstalling.
R+M

-2-

or

RON+MON

2

Maintenance,CarCare
123

Emission ControlSystem

In the interest ofclean air
Pollution ofour environment hasbecome aprob-
lem that isof increasing concerntoall ofus. We
urge youtojoin us
in
our efforts forcleaner airin
controlling thepollutants emittedfromtheauto-
mobile.
Porsche hasdeveloped anemission controlsys-
tem that controls orreduces thosepartsofthe
emission thatcanbeharmful toour environment.
Your Porsche isequipped withsuch asystem.
Porsche warrants theEmission ControlSystem in
your newcarunder theterms andconditions set
forth inthe Warranty Booklet.
You, asthe owner ofthe vehicle, havethe
responsibility toprovide regularmaintenance ser-
vice forthe vehicle andtokeep arecord ofall
maintenance workperformed. Tofacilitate record
keeping, havetheservice performed byautho-
rized Porsche dealers.TheyhavePorsche trained
technicians andspecial toolstoprovide fastand
efficient service.
Maintenance, CarCare
To
assure efficient operation ofthe Emission
Control System:

~ Have yourvehicle maintained properlyandin
accordance withtherecommendations de-
scribed inyour Maintenance Booklet.
Lack ofproper maintenance, aswell asim-
proper useofthe vehicle, willimpair thefunc-
tion ofthe emission controlsystem andcould
lead todamage.
~ Donot alter orremove anycomponent ofthe
emission controlsystem.
~ Donot alter orremove anydevice, suchas
heat shields, switches, ignitionwires,valves,
etc., which aredesigned toprotect yourvehi-
cle's emission controlsystem.
In addition toserious enginedamage, thiscan
result inafire
if
excess rawfuel reaches the
exhaust system.
~ Donot continue tooperate yourvehicle ifyou
detect engine misfireorother unusual operat-
ing conditions. Parking

A
Warning!
Danger offire.

~ Donot park oroperate thevehicle inareas
where thehotexhaust systemmaycome in
contact withdrygrass, brush,fuelspill oroth-
er flammable material.

~ If
your carcatches onfire forany reason, call
the fire department.
Do not endanger yourlifebyattempting toput
out the fire.
Undercoating

A
Warning!
Danger offire and serious personal injuries.

~ Donot apply additional undercoating orrust-
proofing onornear theexhaust manifold,
exhaust pipes,catalytic converters orheat
shields. Duringdriving thesubstance usedfor
undercoating couldoverheat andignite.

CarCare Instructions

I>
Please observe thechapter "EXERCISE EX-
TREME CAUTION WHENWORKING ONYOUR
VEHICLE" onPage 112.

Regular andcorrect carehelps tomaintain
the value ofyour carand isalso a
precondition forthe New Vehicle Warranty
and theAnti Corrosion Warranty.
Your authorized Porschedealerhas
specially developed car-careproductsfrom
the Porsche program available eithersingly
or as complete car-caresets.They willbe
pleased tohelp youselect suitable products.
Whether youusePorsche products orother
commercially availablecleaningagentsfirst
make sureoftheir correct application.

A Porsche thatiswell-cared forcan look likenew
for years.
It
all depends onthe amount ofcare the
owner iswilling togive thecar.

130
Maintenance, CarCare
A

Warning!
Risk ofserious personal injuryordamage to
the vehicle orproperty.
Cleaning agentsmaybehazardous toyour
health.
Most chemical cleanersareconcentrates
which require dilution. Highconcentrations
might cause problems rangingfromirritation
to serious injuryaswell asdamage toyour
vehicle.

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Keep cleaning agentsoutofreach fromchil-
dren.

I>
Observe allcaution labels.

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Always readdirections onthe container before
using anyproduct. Thesedirections maycon-
tain information necessarytoavoid personal
injury.

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Donot use fuel, kerosene, naphtha,nailpolish
remover orother volatile cleaning fluids.They
may betoxic, flammable orhazardous inother
ways. Onlyusespot removing fluidsinawell
vented area.

I>
Donot clean theunderside ofchassis, fend-
ers, wheel covers, etc.,without protecting
your hands andarms asyou may cutyourself
on sharp-edged metalparts. Moisture
androad saltonbrakes mayaffect brak-
ing efficiency.

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Test thebrakes aftereach vehicle washing.

Engine compartment

The engine compartment andthesurface ofthe
engine aretreated withacorrosion-inhibitor atthe
factory.
If degreasing solventsareused toclean theen-
gine compartment orthe engine iswashed down,
the process almostinvariably removesthecorro-
sion-inhibiting coating.Itis then absolutely neces-
sary tohave adurable preservative appliedtoall
surfaces, bodyseams, jointsandassemblies in
the engine compartment. Thisalsoapplies when
corrosion-inhibitor partsarereplaced.

/!\
Caution!

Risk ofdamage tothe generator.

c>
Donot point thecleaning jetdirectly atthe al-
ternator, orcover thealternator.
Effective corrosion-proofing isparticularly impor-
tant during thecold weather season.Ifyour caris
driven frequently inareas where salthasbeen
spread onthe roads, thewhole engine compart-
ment should becleaned thoroughly afterthewin-
ter toprevent saltfrom causing anylasting dam-
age. Afull under-body washshould alsobeper-
formed atthe same time.
Windows

The road dustwhich settles onthe windshield and
windows containsparticles oftire rubber andoil
residue. Theinterior trimandupholstery release
particles, particularly instrong sunlight, whichcol-
lect onthe insides ofthe windows. Thesedeposits
are augmented byimpurities inthe airwhich en-
ters thecarthrough thefresh airvents.

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Clean allwindows regularly, insideandoutside,
with Porsche windowcleaner.

c>
Ifyou useachamois leatherforthe windows,
do not use itfor paintwork asitwill otherwise
pick upacertain amount ofpreservative orpol-
ish and could smear tilewindows andthus im-
pair vision.

c>
Remove deadinsects withthePorsche insect
remover.

Wiper blades

Wiper blades thatareinperfekt condition arevital
for aclear view.

c>
Replace thewiper blades twiceperyear (be-
fore andafter thecold season) orwhenever
wiper performance deteriorates.
C>

Periodically cleanthewiper blades with
Porsche windowcleaner, especially afterthe
vehicle hasbeen washed inacar wash.
If they arevery dirty (e.g. withinsect remains),
they canbecleaned withasponge orcloth.

Undercoating

As itis not possible toexclude therisk ofdamage
to this protective coatinginday today driving, it
is advisable tohave theunderside ofthe car in-
spected atcertain intervals -preferably beforethe
start ofwinter andagain inspring -and theunder-
coating restored asnecessary.
Your authorized Porschedealerisfamiliar withthe
bodyseal treatment procedures andhasthenec-
essary equipment forapplying factoryapproved
materials. Werecommend thatyouentrust them
with such work andinspections.
Unlike conventional sprayoils,undercoating and
rust-proofing compoundsbasedonbitumen or
wax donot attack thesound-proofing materialsap-
plied atthe factory.
Maintenance, CarCare
133