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

CheckEngine
Warning Light

The warning lightinthe instrument panelcomes
on when theignition isfirst turned onand remains
on briefly asabulb check. Ifthe light does not
come on,have thebulb replaced promptly.
If the warning lightsinthe instrument panelandon-
board computer comeonand remain onwhile
driving, itsuggests:
- apotential enginecontrol problem andthe
need forsystem serviceor
- animproperly fastenedtankcapor
- refuelling withengine running.
Although thevehicle isusually driveable andwill
not require towing, seeyour dealer forservice as
soon aspossible.
Controls, Instruments
A

Caution!
If the Check engine lightinthe instrument
panel isflashing, severecatalytic converter
damage andpower losswillsoon occur.
Prolonged drivingwiththeCheck engine
light oncould cause damage tothe emission
control system. Italso could affect fuelecon-
omy anddriveability.

I>
Have thefault remedied atthe nearest autho-
rized Porsche dealerimmediately.

On-Board Computer (BC)

Display field

The display fieldisbeneath thetachometer.

Readiness foroperation

- With ignition switched on,
- with engine running.
Operation,
controls

It
is not possible todescribe alldetails ofthe on-
board computer functionsinthis Owner's Manual.
However, theexamples willquickly familiarize you
with thefunctional principleandhelp youtonavi-
gate through themenu structure.
You canrestore thefactory defaultsettings atany
time byusing the
"SET"
menu.
Operating
lever

The on-board computer isoperated withthelower
left lever onthe steering column.

Selecting functions ofthe on-board
computer

I>
Push leverup1or down
2.

Confirming selection(Enter)

I>
Push leverforward
3.

Moving backoneorseveral selection levels

I>
Pull thelever back4once orseveral times.

Note

You canalways returntothe basic menu bypulling
the operating leverseveral times.
Controls, Instruments

"OIL"

Display andmeasurement ofthe engine

oil level

/!\
Caution!
Risk ofengine damage.

I>
Regularly checktheoillevel before refuelling.

I>
Donot allow theoillevel tofall below themini-
mum mark.

Conditions formeasuring theoillevel

1. Engine idling.
2. Engine isat operating temperature.
3. Vehicle islevel.
4. Vehicle stationary.

Switching onselection field"A"

I>
Push operating leverforward.
Initiating

oillevel
measurement

I>
Select "OIL"withtheoperating lever.

I>
Push operating leverforward.

I>
Push operating leverforward.
Measurement isstarted.
The waiting timeforoillevel measurement isindi-
cated byatime display and"cycling" segments of
the oillevel display. Once
themeasurement hasbeen completed, you
can read offthe engine oillevel onthe segment
display. If the oillevel hasfallen below themin. mark, the
segment belowthemin. mark flashes.
The difference betweenthemin. andmax. marks
on the segment displayisapprox. 1.5 liters
0.6 quarts).
One segment ofthe display corresponds toa
quantity ofapprox.
0.25
liters
(0.26
quart).

I>
Top upengine oil.

Never addmore engine oilthan required
to reach themax. mark.

I>
Please observe thechapter "ENGINE OILLEV-
EL" onPage 115.

Info

The "Info" function allowsyoutocall theprerequi-
sites foroillevel measurement.

Failure

A failure ofthe oillevel display isindicated bya
warning message inthe on-board computer.

I> I>I>

Controls, Instruments
1

Warnings inthe Instrument Panelandinthe On-Board Computer

If
awarning message appears,alwaysrefertothe corresponding chaptersinthe Owner's Manual.
Warning messages areissued only
if
all measurement preconditionsaremet.
Therefore, checkallfluid levels regularly -in particular, alwayschecktheengine oillevel before refuelling.

Instrument
panel

USA
On-board
computer Text
display in
on-board computer

Seat belt
Handbrake
Meaning/measure

Driver andpassengers mustfasten theirsafety belts.
Handbrake notreleased.
Canada
p
:iJ

i'!!
Ignition
key

•••
not
removed

ri]
lights
on

III
FronVrear

•••
lid
not
closed

~
Refill
washer fluid
Trip counter
reset Close
luggage compartment lid,
engine compartment lid.
Trip odometer isreset to
O.

Controls,Instruments
75

Instrument On-board
Textdisplay in
Meaning/measure
panel computer
on-boardcomputer

Units Theunits kilometers/miles forspeed anddistance
are changed
werechanged.
LIMIT Currentspeedcanbeaccepted forthe acoustic
Cannot be
warningsignalonlyifthe vehicle isinmotion.
accepted with
vehicle stopped

USA
LIMIT
Selectedspeedlimitforthe acoustic warningsignal

~
exceeded
hasbeen exceeded.
Adjust yourspeed ifnecessary.

Canada
~

Fuel level gauge

IJl
Consider
rangeon
Refuelatthe next opportunity.
warning light
remainingfuel

II
Engine
oil
Stopimmediately atasuitable place,
pressure measureoillevel withtheon-board computer and,if
too low
necessary,addengine oil.
Temperature
•
Engine
Switchengineoffand letitcool.
gauge warning
temperature Checkcoolant leveland,ifnecessary,
light toohigh
addcoolant.
Temperature Check
Switchengineoffand letitcool.
gauge warning
coolantlevel
Checkcoolant leveland,ifnecessary,
light flashes
addcoolant.

76
Controls, Instruments

Instrument On-board
Text
display in Meaning/measure
panel computer
on-board
computer

Q
ri1
Check
Engine Please
observe thechapter
"CHECK ENGINE
WARNING LIGHT"
onPage 66.
Have thefault remedied atan authorized Porsche
dealer.
Temperature
~
Failure
of Have
faultremedied atan authorized Porschedealer.
gauge warning engine-
light flashes compartment
blower

[iJ
Warning
Stop
inasafe place andswitch theengine off.Donot
battery/ continue
driving.
generator Have
thefault remedied atan authorized Porsche
dealer.

iii
Failure
indicator Oil
pressure indicatorisfaulty.
Have thefault remedied atan authorized Porsche
dealer.

;;
Failure
Have
thefault remedied atan authorized Porsche
oil level dealer.
indicator

•
Failure
indicator Coolant
temperature gaugeisfaulty .
Have thefault remedied atan authorized Porsche
dealer.

ri1
Failure
indicator The
coolant temperature gauge,tacho-
meter orcruise control, etc.,could befaulty. Have
the fault remedied atan authorized Porschedealer.

Controls, Instruments

A
Emergency FlasherSwitch

Operational readinessofthe emergency flasher
does notdepend onthe ignition lockandturn sig-
nallever position.

c>
Ifyour carisdisabled orparked underemer-
gency conditions switchonthe emergency
flasher inthe dashboard
(arrow).

All turn signals andtheindicator lightinthe
switch flashwiththesame frequency.
A

Warning!
Risk ofan accident.

c>
Whenever stalledorstopped foremergency
repairs, movethecarwell offthe road. Switch
on the emergency flasherandmark thecar
with road flares orother warning devices.

c>
Donot remain inthe car. Someone approach-
ing from therear may notrealize yourvehicle
is stopped andcause acollision.

Danger offire.

c>
Donot park oroperate thevehicle inareas
where thehotexhaust systemmaycome in
contact withdrygrass, brush,fuelspill or
other flammable material.

Hot engine compartment componentscan
burn skinoncontact.

c>
Before working onany part inthe engine com-
partment, turntheengine offand letitcool
down sufficiently.
Controls,Instruments

A-
Automatic speedcontrol readiness off/on

1 -
Hold andstore/accelerate

2 -
Decelerate/resume

3 -
Interrupt
Automatic SpeedControl

The automatic speedcontrol maintains any
selected speedbetween 25mph and120 mph
(40 km/h and200 km/h) without youhaving to
use theaccelerator.
The automatic speedcontrol isoperated withthe
lever onthe steering wheel.
Controls, Instruments
/!\

Warning!
A constant speedmaynotbesafe inheavy
traffic, oron winding orslippery roads.
With thespeed control systemengaged, the
engine speedwillnotreturn toidle when re-
moving thefoot from theaccelerator pedal.

~ Donot use thespeed control whenitmay be
unsafe tokeep thecar ataconstant speed.
~ Observe alllocal andnational speedlimits.

Switch automatic speedcontrol
readiness on

~ Press button Aon the automatic speedcontrol
lever.
Thisgreen indicator lightinthe
speedometer nowindicates readiness
Hold
andstore speed

~ Bring thecartothe desired speedwiththe
accelerator.
~ Then pushoperating leverforward 1briefly.

Accelerating (e.g.toovertake)

~ Increase speedasusual withtheaccelerator.
When theaccelerator isreleased, thepreviously
saved valueisagain set.
Automatic speedcontrol operation isautomatical-
ly interrupted, however,ifthe speed isincreased
by more thanabout 16mph (25km/h) forlonger
than 20seconds,
or:

~ Press
operating lever
forward 1until thede-
sired speed isreached.
The speed reached ismaintained andstored
when thelever isreleased.
Speed canbecorrected insteps of2km/h (ap-
prox. 1mph) by
briefly
pushing thelever forward
or down (upto10 times).

Decelerating

c>
Press operating leverdown 2until thedesired
speed isreached.
The speed reached ismaintained andstored
when thelever isreleased.
Speed canbecorrected insteps of2km/h (ap-
prox. 1mph) by
briefly
pushing thelever forward
or down (upto10 times).

Interrupting automaticspeedcontrol
operation

c>
Pull operating leverbriefly towards thesteer-
ing wheel
3
or:

c>
Operate brakeorclutch pedal.
The speed driven before theinterruption
remains storedinthe memory.

Automatic speedcontrol operation is
interrupted automatically:

- Ifthe setspeed isexceeded bymore than
16 mph (25kmjhl forlonger than20seconds,
- ifthe actual speedfallsto6mph (10kmjhl be-
low the setvehicle speedforlonger than5sec-
onds (upward slopes).
Resuming
thestored speed

c>
Press operating leverbriefly down2.
The stored speedshould onlybecalled upwhen
traffic conditions andtheroad surface sopermit.

Switching automatic speedcontrol
readiness off

c>
Press button Aon the automatic speedcontrol
lever.
The green readiness lightinthe speedometer
goes off.
When thevehicle isparked andtheignition
switched off,thememory iscleared.
Important
note

On upward ordownward slopes,thesetspeed
cannot alwaysbemaintained bythe automatic
speed control.
To obtain sufficient enginebraking orabetter en-
gine-speed range,therefore, youhave toselect a
lower gear.
Controls,Instruments

Q
Airdistribution tofootwell

I>
Press button.
The airflows tothe footwell.

Air distribution tothe
central andside vents

I>
Press button.
The airflows fromthecentral andside vents.
Vents mustbeopen.

Air distribution to
windshield

I>
Press button.
The airflows tothe windshield.
Controls, Instruments
General
instructions for
air-conditioning compressor

Can switch offbriefly ifengine isunder anex-
treme loadtoensure sufficient enginecooling.
- Switches offautomatically attemperatures be-
low
3rF
j3°C
andcannot beswitched on,
even manually.
- Operates mosteffectively withwindows
closed. If the carhas been inthe sun foralong time,
however, itis agood ideatoventilate theinte-
rior briefly withdoor windows open.
- Depending onthe outside temperature andhu-
midity, condensation candrip from theevapo-
rator andform apool under thecar.
This isnormal andnotasign ofleakage.
- Ifuncooled airflows outwhen thelowest tem-
perature hasbeen set,switch offthe air-condi-
tioning compressor andconsult withanautho-
rized Porsche dealer.