2004 PORSCHE 911 GT3 warning

Electrical System

In order toavoid damage andfaults inelectrical or
electronic systems,electrical accessories should
be installed atyour authorized Porschedealer.
~ Only useaccessories authorizedbyPorsche.

A
Warning!
Risk ofshort circuit andfire.
Replacing fusesorrelays withtheengine
running orthe ignition oncould cause elec-
trical shock.

~ Disconnected thebattery duringallwork on
the electrical system.
Please observe thechapter "BATTERY" on
Page 155.

Relays

Defective
relays
shouldbechanged onlybyan
authorized workshop.
Practical Tips,Emergency Service
Alann
system,
centrallocking

The status ofthe central locking andalarm system
is not changed bydisconnecting thebattery.
When thebattery isdisconnected, thealarm sys-
tem ceases tofunction.

Overload protection

If the central locking systemisoperated more
than tentimes within aminute, furtheroperation is
blocked for30seconds.
load
switch-off aftertwohours
or five days

If the ignition keyisremoved, loadswhich are
switched onorinstandby (e.g.power windows,
luggage compartment lighting,interiorlight,radio)
are automatically switchedoffafter approximately

2 hours.

If the vehicle isnot started orunlocked withthere-
mote control within
fivedays,
theremote control
standby function isswitched off(toprevent dis-
charging ofthe vehicle battery).
1. Inthis case, unlock thedriver's doorwiththe
key atthe door lock.
Leave thedoor closed inorder toprevent the
alarm system frombeing triggered.
2. Press button 1on the remote control.
The remote controlisnow activated again.

Battery

A
Warning!
Risk ofshort circuit andfire.

I>
Observe allwarning notesonthe battery.

I>
Disconnect thebattery duringallwork onthe
electrical system.

I>
Donot laytools orother metal objects onthe
battery asthey could cause ashort circuit
across thebattery terminal.

Hydrogen gasgenerated bythe battery
could cause anexplosion, resultinginsevere
personal injuries.

I>
Donot expose thebattery toan open flame,
electrical sparkoralit cigarette.

Risk ofsevere personal injuryanddamage to
the fabric, metalorpaint.

I>
Wear eyeprotection.

I>
Donot allow battery acidtocome incontact
with your skin, eyes, fabric orpainted surfac-

es.
I>

Ifyou getelectrolyte, whichisan acid, inyour
eyes oron your skin, immediately rinsewith
cold water forseveral minutes andcalladoc-
tor.

I>
Spilled electrolyte mustberinsed offatonce
with asolution ofbaking sodaandwater to
neutralize theacid.

Battery posts,terminals andrelated acces-
sories contain leadandlead compounds,
chemicals knowntothe State ofCalifornia to
cause cancer andreproductive harm.

I>
Always protect yourskinbywashing thorough-
ly with soap andwater.
Charge
state

A well charged batterywillnotonly prevent start-
ing problems butwill also lastlonger.

In order toavoid discharging thebattery
unintentionally:

I>
Curtail unnecessary powerconsumption, par-
ticularly incity traffic orwhen travelling short
distances only.

I>
Always remove theignition keywhen leaving
the car.
Practical Tips,Emergency Service

j!\
Warning!
Hydrogen gasgenerated bythe battery
could cause anexplosion, resultinginsevere
personal injuries.

c> Charge battery inawell ventilated area.
c> Never charge afrozen battery. Itmay explode
because ofgas trapped inthe ice. Allow afro-
zen battery tothaw outfirst.
c> Ifyou getelectrolyte, whichisan acid, inyour
eyes oron your skin, immediately rinsewith
cold water forseveral minutes andcalladoc-
tor.
Slow
battery charging

1. Pay attention toallwarnings andfollow instruc-
tions thatcome withyour battery charger.
2. When charging, ensureadequate ventilation.
3. Remove battery.
Please observe thechapter "REMOVING THE
BATTERY" onPage 158.
4. Allvent caps should beopen.
The fluid level should meettheindicator mark
in each cell.
5. Ensure thatcharger isswitched off-danger of
short circuit!
6. Connect chargercables.

Charger cablesmustbeconnected
POSITIVE
(+1
toPOSITIVE
(+)
and
NEGATIVE (-)toNEGATIVE
(-I.

7. Switch oncharger.
Normally, abattery shouldbecharged atno
more than10percent ofits rated capacity.
Rated capacity ofthe battery inyour vehicle is
listed onthe battery housing.
8. After charging, turnoffcharger anddiscon-
nect charger cables.
9. Tighten thevent caps andreinstall battery
Please observe thechapter "INSTALLING THE
BATTERY" onPage 158. Winter
operation
During thewinter months, batterycapacity tends
to decrease astemperatures drop.
Additionally, morepower isconsumed whilestart-
ing, andtheheadlights, heater,rearwindow de-
fogger, etc.,areused more frequently.
c> let your Porsche dealertestthebattery's
capacity beforewintersetsin.
Replacing battery
The service lifeofthe battery issubject tonormal
wear; itdepends graetlyoncare, climatic condi-
tions, anddriving conditions (distances, loads).
c> Only useanoriginal Porsche battery,withthe
correct partnumber, asareplacement.
c> Please observe thedisposal instructions for
batteries.

c>c>c>

Practical Tips,Emergency Service

Removing thebattery

The requisite toolisinthe tool kit.
The battery islocated inthe luggage compart-
ment under ablack plastic lid.

A
Warning!
Risk ofdamage toalternator andelectronic
control units.

t> Donot disconnect thebattery whiletheengine
is running.
This also applies tocars equipped withabat-
tery main switch.
c> Never drivethecarwith adisconnected bat-
tery.

Risk ofcaustic burnsfromescaping acid.

c> Keep ventcaps ontoavoid spillage.

c>
Donot tiltthe battery whenremoving andin-
stalling
it.

158
PracticalTips,Emergency Service 1.
Switch offengine andallelectrical loads.
2. Open turn-locks
A.

Remove plasticlid.
3. Pull offcentral venthose
B.

4. Important: disconnect thenegative (-)ground
wire first, andthen thepositive (+lcable.
Danger ofshort circuit'
5. Unscrew fastening screwC.
6. Remove battery.
Installing
thebattery

1. Put battery in.
2. Screw infastening screwC.
3. Important: connectthepositive
(+)
cable first,
and then thenegative (-)ground wire.
Danger ofshort circuit
l

4. Push oncentral venthose
B.

5. Fitplastic lid.Lock turn-locks
A.

Emergency StartingwithJumper
Cables

If the battery isdischarged, e.g.inwinter orafter
the car has been parked foralong time, thebat-
tery ofanother carcan beused forstarting with
the help ofjumper cables.
Make surethevoltage ofboth batteries isthe
same.
The capacity (Ampere hours,Ah)ofthe booster
battery mustnotbesubstantially lessthan thatof
the discharged battery.
The discharged batterymustbecorrectly con-
nected tothe vehicle's electrical system.

I>
Please observe thechapter "BATTERY" on
Page 155.

I>
Please observe thechapter "EMERGENCY UN-
LOCKING OFTHE LUGGAGE COMPARTMENT
LID AND ENGINE COMPARTMENT LID"on
Page 154.

Note

I>
Donot trytostart thecarbypushing ortow-
ing. Damage tothe catalytic converters and
other components ofthe car may result.

160
PracticalTips,Emergency Service
A

Warning!
Risk ofdamage andserious personal injury
due toshort circuit.

I>
Use only jumper cablesofadequate diameter
cross-section andfitted withcompletely insu-
lated alligator clips.

I>
Follow allwarnings andinstructions ofthe
jumper cablemanufacturer.

I>
When connecting jumpercables, makesure
that they cannot getcaught inany moving
parts inthe engine compartment.
The jumper cablesmustbelong enough so
that neither vehicles norcables touchanother.

I>
The vehicles mustnotbeincontact, otherwise
current mightflowassoon asthe positive ter-
minals areconnected.

I>
The cable clamps mustnotbeallowed tocon-
tact each other whenoneendofthe jumper ca-
bles areconnected toabattery.

I>
Ensure thattools orconductive jewellery
(rings, chains, watchstraps) donot come into
contact withliveparts ofthe vehicle.

I>
Improper hook-upofjumper cablescanruin
the alternator.
Danger
ofcaustic burns.

I>
Donot lean over thebattery.

Danger ofgas explosion.

I>
Improper useofbooster batterytostart a
vehicle maycause anexplosion, resultingin
severe personal injuries.

I>
Keep sources ofignition awayfromthebat-
tery, e.g.open flame, burning cigarettes or
sparking duetocable contact orwelding work.

I>
Adischarged batterycanfreeze evenat

WFj-lOoC.

Before connecting Jumpercables, afrozen bat-
tery must bethawed out.

Lights, Replacing Bulbs

A
Warning!
Risk ofshort circuit.

c>
Always switchoffthe relevant consumer when
changing bulbs.

Risk ofinjury. Theheadlights areunder high
voltage wheninstalled.

c>
Becareful duringallwork inthe area ofthe
headlights.

Risk ofdamage. Bulbsofahigher wattage
can damage thelamp housing.

c>
Only thebulbs shown inthe chart maybeused.

c>
New bulbs mustbeclean andfree from
grease.
Therefore, nevertouch bulbswith
your barehands.

Use acloth orsoft paper whilereplacing bulbs.

c>
For reasons oftraffic safety, werecommend
that youalways carryspare bulbssothat you
can have acorrectly illuminated caratall
times. In certain countries, thecarrying ofspare
bulbs ismandatory.
Practical Tips,Emergency Service
A

Caution!
Risk ofdamage toheadlights duetoexces-
sive temperatures andabrasion.

c>
Attach nocoverings (e.g.films, "stone
guards") inthe area ofthe headlights.

c>
Use soapy wateronlytoclean lightlenses and
plastic headlight lenses.
In no case maychemical cleanersorother vol-
atile cleaning fluidsbeused.

c>
Toprevent scratches, donot rubwith adry or
merely moistcloth,tissue orinsect sponges.

Tires,Rims,Tracks

Tire RimRimoffset
Track
Summer tires
front
235/40ZR18(91 Y)
8.5Jx 18 H2 40mm
58.6in/1488 mm
rear 295/30ZR18(98Y)
11Jx 18 H2
63mm 58.6in/1488 mm

Snow tires
front
225/40R18 92V M+S XL 8Jx 18 H2
50mm 57.8in/1468 mm
rear 265/35R18 97V M+S XL
*

10Jx18H2 65mm 58.4in/1484 mm
The load capacity coefficient (e.g."92") andmaximum speedcodeletter (e.g."V")areminimum requirements.

/i\
Warning!
Installation ofsizes notauthorized by
Porsche mayhave adangerous effecton
the driving stability andcould result in
severe personal injuryordeath.
I>
Before mounting newtires, check withyour
Porsche dealeraboutthecurrent release
status.

Tire andrimsizes
Extensive testsareperformed beforespecific tiresandwheels areapproved byPorsche. YourPorsche dealerhasinfor-
mation aboutapproved tiresandwheels andishappy toassist you.
If aftermarket tiresand/or wheels areinstalled whicharenotapproved byPorsche, thevehicle's roadability andhandling
characteristics mightbeimpaired. SincePorsche hasnodata onsuch combinations, Porschecannotstandbehind the
safety ordurability ofthese aftermarket combinations.

Snow chains
Canbemounted onlyonthe rear wheels;
maximum speed30mph/50 km/h.

Use only Porsche authorized fine-linkcross-type oredge chains.

Snow chain clearance canbeguaranteed onlyonthe tire
+
rim combination marked*.

Technical Data

Index

A

ABS (antilock brakesystem) 44,45,54,56
Warning light 54,56
Acoustic warningsignal. 69
Aerodynamic components 9
Air compressor 100
Air conditioning system 90
Air distribution 88,90
Air filter 128
Airbag 38,39
Switching offpassenger airbag 36
Warning light 54,56
Alarm System 24,107
Alcantara 136
Antenna 107,131
Antifreeze 113
Antilock brakesystem (ABS) 44,45
Ashtray 94
Assembly aidsforwheel changes 150
Audio operation 105,106
Auto-button airconditioning system 90,91
Automatic
Airconditioning 90
Car washes 131
Door locking 21
Headlight adjustment... 82
Locking retractor 34
Speed control 54,56,58,86, 87
Average consumption 68
Average speed 68,72

190
Index
B

Backrest Adjustment 30
Release 30,31
Battery 100,155
Warning light.. 54,56,58
Before driving off 14,15
Belt tensioner 32
Belts 32,136
Warning light... 54,56
Blower adjustment 88,90, 93
Brakes 40,119
Distribution warninglight... 54,56
Fluid 119,185
Fluid level 54,56
Fluid warning light 119
Lights 165,171
Pad wear warning light 54,56
Pads 16,43
Parking brakewarning light... 54,56
Break inhints 16
Bulbs Chart 163
Replacing 162

C

Canholder 95
Capacities, overview 185
Car care 130
Car washes 131Cassette
tape
Holder 97
Player
l
06
Catalytic converters 125
Cautions 112,140
Central locking 22
emergency operation 23
Changing wheels 150
Check engine
Warning light.. 54,56,66
Child restraint
Anchorages ,35
Switching offpassenger airbag 37
Syste m 36
Cigarette lighter 94
Circulating airbutton 91
Circulating airsetting 89,91
Clock 54,56,64
Clothes hook 96
Clutch pedal .40
Compact disc
Changer 106
Holder 97
Player
l
06
Compartment monitoring 24
Compressor 91,92
Coolant 62,113
Level 113
Temperature gauge 62
Warning light 62
Cooling system 62,113