2004 PORSCHE 911 GT3 display

fuel seats trip computer wiper blades towing refrigerant type

Page 92 of 195

$PORSCHE 911 GT3 2004 5.G Owners Manual \qV Defrosting thewindshield po Press button. Windshield isdemisted ordefrosted asquickly as possible. Air flows tothe windshield only. {} Switching compressor forair- conditioning systemonoroff$

\qV
Defrosting thewindshield

po
Press button.
Windshield isdemisted ordefrosted asquickly
as possible.
Air flows tothe windshield only.

{} Switching compressor forair-
conditioning systemonoroff

Whenever outsidetemperatures exceed
3JDFj

3°C, theair-conditioning compressorisalways
switched oninautomatic operation.
The compressor canbeswitched offtosave fuel,
but control comfort isthen limited .

po
Press button .
The compressor isswitched off,thesymbol in
the left-hand displaygoesout.

po
Ifthe interior temperature istoo high, switch
compressor backonorpress
"auto"-button.

To dry incoming airindamp weather, donot
switch offthe air-conditioning compressor.
This prevents mistingofwindows.
B
-
Adjusting blowerspeed

po
Press theappropriate button.
Preset blower speedisincreased orde-
creased, and"Manual" appearsinthe right-
hand display field.
The speed stages areindicated bya
bar display.
The speed stages areindicated byabar display.
If the minus button ispressed atthe lowest blower
stage, theblower andautomatic controlare

switched off.

"OFF" isdisplayed inthe left-hand display.
Pressing onthe plus button orthe
"auto"
button
switches theblower andautomatic control
back
on again.
Circulating-air
setting

A
Warning!
Risk ofaccident duetohampered vision.
In circulating-air setting,thewindows can
mist up.

po
Only select circulating-air settingforshort
periods.

po
Ifwindows mistup,turn offthe circulating-air
setting bypressing thecirculating-air button
briefly andselect thefunction
"Defrost windshield".

• _) Switching circulating-air setting
..•. onoroff

po
Press button.
The outside-air supplyisinterrupted andonly
the inside airiscirculated.

Over approx. 37°Fj3°C

If the air-conditioning compressorwasoff,it
switches onautomatically. Theduration ofcircu-
lating-air modeisnot limited.

Below approx. 37°Fj3°C

The air-conditioning compressorisswitched off.
Circulating-air modeisautomatically endedafter
approx. 3minutes.

popopo

Controls, Instruments

Page 124 of 195

PORSCHE 911 GT3 2004 5.G Owners Manual
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, w

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.

D>
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

Page 193 of 195

PORSCHE 911 GT3 2004 5.G Owners Manual
J

Jumper cables "145,160

K

Keys 19,20

L

Leather care 135
License platelight.. 82,172
Lids 99
Emergency unlocking 154
Light
Flasher 61,82, 83
Low beam 82,83
Switch 82,83
Light sensor forinstrumen

Page 194 of 195

PORSCHE 911 GT3 2004 5.G Owners Manual
Sparekey 19,20
Speed Control 58,86, 87
Gong 69
Speedometer 54,60
analogue display 56
digital display 54,56
Spoiler 104
Starting engine 52
Steering lock 50
Steering wheel
Adjustment 31
Lock 51
Stoppin

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TPMS reset reset wipers fuel pressure service lumbar support