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

Switchposition 1

Ignition ison.
All electrical equipment canbeswitched on.
The warning lightslightupfor alamp check.
Please notethedescription ofthe individual warn-
ing lights.

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When turning thekey toposition 1,relieve the
steering lockwith aslight steering movement.

Note

To conserve batterypoweratlow rpm (traffic
jams, towndriving etc.),switch offallelectrical
consumers whicharenotneeded atthat moment.
Switch
position 2

Starting theengine

I>
Turn thekey from position 1to position 2.

The clutch pedalmustbedepressed fully
before thestarter willengage.

The first operation ofthe starter isended automat-
ically when theengine starts.
If the engine doesnotstart, subsequent starter
operations willnotbeended automatically.
If the engine doesnotstart atthe first time or
stalls atany time, thekey must bereturned to
position O.
When theengine isrunning, thewarning lights
should gooff. Ifa light does notgooff, take
appropriate actionasindicated inthis manual.
Switching
engineoff

I>
Turn theignition keyfrom position 1to
position O.

/!\
Warning!
Risk ofan accident.
The steering wheel
willlock
andwillcause
loss ofsteering.

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Never remove keyfrom theignition lockorturn
the key offwhile thevehicle ismoving.

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Toavoid battery run-down, alwaysremove the
ignition keyfrom theignition lock.
Please observe thechapter "SATTERY" on
Page 155.

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Turn thesteering wheeluntilthesteering lock
is engaged.

Gong
If you leave thekey inthe ignition/steering lock,a
gong willsound whenthedriver's doorisopened.
This isareminder toremove thekey.
Controls, Instruments
51

StartingProcedures

c>
Please observe thechapter "IMMOBILIZER" on
Page 19.

A
Warning!
Serious injurymayresult ifyou areinvolved
in acollision withouthavingfastened the
safety belts.

c>
Fasten safetybeltsbefore driving away.

Before starting theengine

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Apply thehandbrake.

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Move thegearshift leverintoneutral.

The clutch pedalmustbedepressed fully
before thestarter willengage.

Temperature sensorsonthe engine automatically
provide thecorrect fuel/air mixture required for
starting.
Therefore, itis
not necessary todepress the
accelerator pedal
whilestarting acold ora
warm engine.

c>
Assoon asthe engine starts,release theigni-
tion key.

52
Controls, Instruments The
first operation ofthe starter isended automat-
ically when theengine starts.
If the engine doesnotstart, subsequent starter
operations willnotbeended automatically.
If the engine failstostart after 10or15 seconds
of cranking:

c>
Wait about 10seconds beforeengaging the
starter again.

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Donot letthe engine idletowarm up.

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When starting theengine, beready todrive
immediately.
Drive vehicle atmoderate speedsandavoid
engine speeds above4,200 rpmduring the
first 5minutes.
A

Danger!
Engine exhaust fumeshavemany compo-
nents which youcan smell. Theyalsocontain
carbon monoxide (CO),which isacolorless
and odorless gas.
Carbon monoxide cancause unconscious-
ness andeven death ifinhaled.

c>
Never startorlet the engine runinan en-
closed, unventilated area.
It is not recommended tosit inyour carforpro-
longed periods withtheengine onand thecar
not moving.

An unattended vehiclewitharunning engine
is potentially hazardous.
If warning lightsshould comeontoindicate
improper operation, theywould gounno-
ticed.

c>
Never leavetheengine idlingunattended.

Danger offire.

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

c>
Ifyour carcatches onfire forany reason, call
the fire department.
Do not endanger yourlifebyattempting toput
out the fire.

Stopping Engine

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Turn keyback toposition
O.

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Donot stop engine immediately afterhardor
extended driving.
Keep engine running atincreased idlefor
about twominutes toprevent excessive heat
build-up beforeturning offengine.

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Toavoid battery run-down, alwaysremove the
ignition keyfrom theignition lock.

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Make surethatwhen youleave thecar, even
briefly, youhave withdrawn theignition key.

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Engage thesteering lockbymoving thesteer-
ing wheel tothe leftorright.
Turn thesteering wheeltothe locking position
before youswitch offthe engine sothat you
don't havetoexert yourself whenlocking or
unlocking thesteering.

A
Warning!
Hot engine compartment componentscan
burn skinoncontact.

I>
Before working onany part inthe engine com-
partment, turntheengine offand letitcool
down sufficiently.
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 areasonlywith theen-
gine off,theignition off,and exercise extreme
caution.
Automatic
garagedoor

The ignition systeminyour Porsche mayinterfere
with your electronically operatedgaragedoor.

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Tocheck this,drive yourPorsche closetothe
garage door.Make surenottointerfere with
the operating rangeofthe door.

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Run theengine atdifferent speeds.
If the garage dooropens orcloses without youop-
erating thegarage doorunitinyour car,contact
the dealer whoinstalled theautomatic garage
door tohave thefrequency and/orcodingofthe
garage doorsignal changed ormodified.
Controls, Instruments

Instrument PanelUSAModels

Also refer tothe corresponding chaptersin
the Owner's Manual.

1 Voltmeter
2 Speedometer withanalogue display
3 Speedometer withdigital display
4 Automatic speedcontrol indicator light
5 Tachometer
6 Turn signal indicator light,left
7 High beam indicator light
8 On-board computer
9 Turn signal indicator light,right
10 Light sensor forinstrument illumination
11 Clock
12 Cooling system
Temperature gauge,warning light
13 Fuel
Level gauge, warning light
14 Engine oilpressure gauge
Controls, Instruments
Warning
lightslindicator lights

A Washer fluidlevel warning light
B Check engine warning light
CABS warning light
D Brake fluidlevel,
Brake distribution warninglight
E Parking brakewarning light
F Brake padwear warning light
G Engine oilpressure warninglight
H Battery warning light
I Safety beltwarning light

J
Airbag warning light
K Luggage compartment lid/
engine compartment lidwarning light
When
theignition isswitched on,the warning
lights lightupfor alamp check.
Note

Warnings thathave been given arestored inthe
appropriate controlunitmemory andcanberead
out atan authorized Porschedealer.
This information canhelp towarn youabout situa-
tions which maybehazardous toyou oryour car.

Instrument PanelCanada Models

Also refer tothe corresponding chaptersin
the Owner's Manual.

1 Voltmeter
2 Speedometer withanalogue display
3 Speedometer withdigital display
4 Automatic speedcontrol indicator light
5 Tachometer
6 Turn signal indicator light,left
7 High beam indicator light
8 On-board computer
9 Turn signal indicator light,right
10 Light sensor forinstrument illumination
11 Clock
12 Cooling system
Temperature gauge,warning light
13 Fuel
Level gauge, warning light
14 Engine oilpressure gauge
Controls, Instruments
Warning
Iights/indicator lights

A Washer fluidlevel warning light
B Check engine warning light
CABS warning light

o
Brake fluidlevel,
Brake distribution warninglight
E Parking brakewarning light
F Brake padwear warning light
G Engine oilpressure warninglight
H Battery warning light
I Safety beltwarning light

J
Airbag warning light
K Luggage compartment lid/
engine compartment lidwarning light
When
theignition isswitched on,the warning
lights lightupfor alamp check.
Note

Warnings thathave been given arestored inthe
appropriate controlunitmemory andcanberead
out atan authorized Porschedealer.
This information canhelp towarn youabout situa-
tions which maybehazardous toyou oryour car.

o
Voltmeter

Indicates thebattery voltage.
Normal range:12to16 volts.
The voltage maydrop considerably whenthe
vehicle isbeing started.

If the gauge iscontinually below12volts
when theengine isrunning:

t>
Have thebattery charging systemchecked at
an authorized Porschedealer.
Controls, Instruments
BaHery

• Warning light

The warning lightinthe instrument panelcomes
on when ignition isswitched onand must gooff
when engine isrunning.

If the warning lightsinthe instrument panel
and on-board computer comeonwhile the
engine isrunning orwhile driving:

t>
Stop thecarinasafe place andstop the
engine.

Possible causes

- Defect inthe battery charging system.
- Broken drivebelt.

A
Warning!
Risk ofan accident andriskofengine dam-
age.
A broken drivebeltmeans thereisno power
assistance tothe steering (moreeffortisre-
quired tosteer) andcoolant pumpfunction
will stop.

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Donot continue driving.

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Have thefault remedied atthe nearest autho-
rized Porsche dealer.
A
-
Adjustment buttonforinstrument illumination and
trip counter

•. ~ Automatic SpeedControl

Indicator light

Indicates automatic speedcontrol readiness.

Tachometer
The tachometer showstheengine speedinrevo-
lutions perminute (rpm).
The beginning ofthe redmarks atthe right endof
the scale indicates themaximum permissible en-
gine rpm.
A speed limiterprevents theengine frombeing
overrewed duringacceleration. Beforereaching
this area, thenext
higher
gearshould beselect-

ed.
Shift tothe next
lower
gearwhen theengine rpm
drops below 1500rpm.
A

Caution!
To avoid severe engine damage.

t>
Always observe theengine rpmbefore down-
shifting toalower gear,soyou donot exceed
the maximum enginerpm.
+
.•
Turn
Signal Indicator
Light

Flashes insynchronism withtheturn signals.
Left arrow -leftturnsignals
Right arrow -right turnsignals

t>
Ifthe frequency ofthe display becomes notice-
ably faster, checktheoperation ofthe turn sig-
nals.

§D
HighBeam

Indicator light
Lights whenhighbeam orheadlight flasheris
switched on.
The indicator lightgoes outwhen thehigh beams
are switched off.
Controls, Instruments
61

_LCooling System

Temperature gauge(ignition on)
USA: Display in
of

Canada: Displayin°C

Pointer tothe left-
engine cold

c>
Avoid highengine speeds andheavy engine
loading.
Controls, Instruments
Pointer
inthe middle -
normal operating tem-
perature
The pointer maymove uptothe redarea when en-
gine isheavily loadedandoutside temperature is
high, butshould returnto"normal" whenengine
load isreduced.
Warning light"A"

If
the
coolant temperature
istoo high, thewarn-
ing light
comes on.

Additionally, awarning isdisplayed inthe on-board
computer.

c>
Pull offthe road, turnoffthe engine andallow
to cool.

c>
Check radiator andairpassages infront endof
car forobstructions.

c>
Check coolant level.
If necessary, addcoolant andhave faultreme-
died atan authorized Porschedealer.

Please observe thechapter
"COOLANT
LEVEL"
ONPAGE 113.
Note

To prevent excessive temperatures, thecooling-
air passages mustnotberestricted bycoverings
(e.g. films, "stone guards").
If

the
coolant level
istoo low, thewarning light

flashes.

Additionally, awarning isdisplayed inthe on-board
computer.

c>
Switch engineoffand allow tocool.

c>
Add coolant.

c>
Have thecause ofthe fault remedied atan au-
thorized Porschedealer.

Please observe thechapter
"COOLANT
LEVEL"
ONPAGE 113.

/!\
Caution!
Risk ofengine damage.

c>
Ifthe warning lightscome oneven though cool-
ant level iscorrect, donot continue driving.

c>
Have thefault remedied atthe nearest
authorized Porschedealer.
Engine compartment blowerfan
In addition, thiswarning light
flashes
toindicate a
fault inthe
engine compartment blowerfan.

c>
Have thecause ofthe fault remedied atan
authorized Porschedealer.

j)
Fuel

level gauge

When theignition ison the fuel level isdisplayed.

t>
Please observe thechapter "CAPACITIES" on
Page 185.
If the vehicle's inclination changes(e.g.going up
or downhill), minordeviations inthe indication may
occur.
Note

If the tank isnear empty andyoutopupwith only
a small quantity offuel, thiscannot beregistered
by the level gauge andcalculation ofthe range re-
maining isimpossible.
Warning
light
"Au

When theengine isrunning, thewarning light

of the level gauge
lightsup
ifless than approx.
3 U.S. gallons (12liters) offuel remains inthe
tank orthe range onremaining fuelfalls below ap-
prox. 30miles (50km).
Additionally, awarning isdisplayed inthe on-board
computer.

t>
Fillupatthe next opportunity.

/!\
Caution!
To prevent damage tothe emission control
system andengine.

t>
Never drivethetank completely outoffuel.

t>
Avoid highcornering speedsafterthewarning
lights havecome on.

c>
Please observe thechapter "EMISSION CON-
TROL SYSTEM" onPage 124.

If the level gauge warning lightflashes,
there
has been asystem fault.
Additionally, awarning isdisplayed inthe on-board
computer.
There willthen benoreserve warning.

c>
Toremedy thefault, gotoan authorized
Porsche dealer.
Controls, Instruments
63

Engine OilPressure

~ Gauge

With awarmed-up engineandataspeed of3000
rpm, theoilpressure shouldbeapprox. 3.5bar.
If
the oilpressure dropsabruptly andthe
warning lightsinthe instrument panelandin
the on-board computer comeonwhile the
engine isrunning orwhile driving:

I>
Immediately stopinasuitable place
and switch engine off.
Measures see"Warning light".

Warning light

The warning lightinthe instrument panellightsup
when ignition isswitched onand must goout when
engine isrunning.

If the warning lightsinthe instrument panel
and inthe on-board computer comeonwith
the engine running orwhile driving:

I>
Immediately stopinasuitable place.

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Switch offthe engine.

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Check whether thereisan obvious oilleak on
or under thecar.

I>
Ifno oilleak canbedetected:
Measure theoillevel using theon-board com-
puter orthe oildipstick
withtheengine
idling.

Please observe thechapter "ON-BOARD COM-
PUTER (BC)"onPage 67.
Please observe thechapter "ENGINE OillEV-
El" onPage 115.

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Add engine oilifnescessary.
/!\

Caution!
Risk ofengine damage.

I>
Donot continue drivingifthere isan obvious oil
leak.

I>
Donot continue drivingifthe warning lights
come oneven though oillevel iscorrect.

I>
Have thefault remedied atthe nearest
authorized Porschedealer.
Controls, Instruments
65