air condition Lexus GX470 2004 Engine / LEXUS 2004 GX470 FROM AUG. 2004 THROUGH SEP. 2004 PROD. OWNER'S MANUAL (OM60B55U)

HOW TO USE THIS MANUAL
vi
HOW TO USE THIS MANUAL
The contents of this manual are explained briefly on this
page to help you make the best use of the manual. Please
read this page and the rest of the Owner's Manual
carefully to make sure you fully understand the operation
of your vehicle.
This will help you enjoy safe and comfortable driving.
TABLE OF CONTENTS
The table of contents and the pictorial index provide easy
reference to the appropriate pages.
BASIC OPERATION Ð QUICK REFERENCE
Operation of basic equipment is briefly explained in an easily
understandable way for quick reference.
SECTION 1 Ð INSTRUMENTS AND CONTROLS
The vehicle's equipment is divided into the 7 groups listed
below. Use of the equipment is explained, including any points
you should pay particular attention to.
1. Keys and doors
2. Switches
3. Gauges, meters and service reminder indicators
4. Interior equipment
5. Exterior equipment
6. Occupant restraint systems
7. Steering wheel and mirrors
SECTION 2 Ð AIR CONDITIONING AND AUDIO
The features of the vehicle's air conditioning and audio are
explained in detail. Be sure to read this Section so that you can
make full use of them.
SECTION 3 Ð STARTING AND DRIVING
Starting the engine, driving, stopping, operation of features
affecting vehicle handling, hints on vehicle safety and safe
driving techniques are all explained. Please read everything
in this Section, and remember Ð drive safely!

For detailed information, refer to the description given in each Section\
.
PICTORIAL INDEX
x
Page
1Driving position memory switches219
. . . . . . . . . . .
2Power window switches 48
. . . . . . . . . . . . . . . . . . . . . . .
3Power door lock switch 24
. . . . . . . . . . . . . . . . . . . . . . .
4Window lock switch 49
. . . . . . . . . . . . . . . . . . . . . . . . . . .
5Power rear view mirror control switches 225 . . . . . .
6Side vents 249
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7Headlight, turn signal and
fog light switches 33, 36, 37 . . . . . . . . . . . . . . . . . . . . . .
8Wiper and washer switch 37
. . . . . . . . . . . . . . . . . . . . . .
9Center vents 249
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10Emergency flasher switch 51
. . . . . . . . . . . . . . . . . . . . .
11Audio system 258
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12Multi-information display 75
. . . . . . . . . . . . . . . . . . . . . .
13Automatic air conditioning controls 236
. . . . . . . . . .
14Rear window defogger switch 45
. . . . . . . . . . . . . . . . . .
15Front passenger's seat belt reminder light 65 . . . . . .
16Glove box 96
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17Ashtray 92
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. .
18Cigarette lighter 92
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19Seat heater switches 53
. . . . . . . . . . . . . . . . . . . . . . . . . .
20Four-wheel drive control lever 401
. . . . . . . . . . . . . . . Page
21Automatic transmission selector lever 393
. . . . . . . .
22Parking brake lever 391
. . . . . . . . . . . . . . . . . . . . . . . . .
23Center differential lock switch 401
. . . . . . . . . . . . . . .
24Power outlet (12 VDC) 93
. . . . . . . . . . . . . . . . . . . . . . . . .
25Downhill assist control switch 425
. . . . . . . . . . . . . . .
26Electronic modulated suspension
control switch 419 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27Rear height control air suspension
switches 412 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28Ignition switch 389
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
292nd STRTº (second start) switch 401
. . . . . . . . . . . .
30Tire pressure warning system
selector switch 443 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31Cruise control switch 409
. . . . . . . . . . . . . . . . . . . . . . .
32Steering switches 280
. . . . . . . . . . . . . . . . . . . . . . . . . . .
33Instrument panel light control dial 86
. . . . . . . . . . . . . .
34Hood lock release lever 112
. . . . . . . . . . . . . . . . . . . . . .
35Fuel filler door opener 113
. . . . . . . . . . . . . . . . . . . . . . . .
36RSCA OFFº (roll sensing of curtain
shield airbags off) switch 193 . . . . . . . . . . . . . . . . . . . .
37Outside rear view mirror defogger switch 47 . . . . . . .
38Power outlet (115 VAC) main switch 95
. . . . . . . . . . . .

For detailed information, refer to the description given in each Section\
.
PICTORIAL INDEX
xii
Page
1Driving position memory switches219
. . . . . . . . . . .
2Power window switches 48
. . . . . . . . . . . . . . . . . . . . . . .
3Power door lock switch 24
. . . . . . . . . . . . . . . . . . . . . . .
4Window lock switch 49
. . . . . . . . . . . . . . . . . . . . . . . . . . .
5Power rear view mirror control switches 225 . . . . . .
6Side vents 249
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7Headlight, turn signal and
fog light switches 33, 36, 37 . . . . . . . . . . . . . . . . . . . . . .
8Wiper and washer switch 37
. . . . . . . . . . . . . . . . . . . . . .
9Center vents 249
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10Emergency flasher switch 51
. . . . . . . . . . . . . . . . . . . . .
11Rear view monitor/navigation system display
(For the navigation system, see the separate Navigation System Owner's Manualº.) 405 . . . . . . .
12Multi-information display 75
. . . . . . . . . . . . . . . . . . . . . .
13Automatic air conditioning controls
(See the separate Navigation System Owner's Manualº.) 236 . . . . . . . . . . . . . . . . . . . . . . . . . .
14Rear window defogger switch 45
. . . . . . . . . . . . . . . . . .
15Front passenger's seat belt reminder light 65 . . . . . .
16Glove box 96
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17Audio system 258
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18Ashtray 92
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. .
19Cigarette lighter 92
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20Seat heater switches 53
. . . . . . . . . . . . . . . . . . . . . . . . . . Page
21Four-wheel drive control lever
401
. . . . . . . . . . . . . . .
22Automatic transmission selector lever 393 . . . . . . . .
23Parking brake lever 391
. . . . . . . . . . . . . . . . . . . . . . . . .
24Center differential lock switch 401
. . . . . . . . . . . . . . .
25Power outlet (12 VDC) 93
. . . . . . . . . . . . . . . . . . . . . . . . .
26Downhill assist control switch 425
. . . . . . . . . . . . . . .
27Electronic modulated suspension
control switch 419 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28Rear height control air suspension
switches 412 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29Ignition switch 389
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
302nd STRTº (second start) switch 401
. . . . . . . . . . . .
31Tire pressure warning system
selector switch 443 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32Cruise control switch 409
. . . . . . . . . . . . . . . . . . . . . . .
33Speech command switch
See the separate
. . . . . . . . .
Navigation System Owner's Manualº.
34Steering switches 280
. . . . . . . . . . . . . . . . . . . . . . . . . . .
35Instrument panel light control dial 86
. . . . . . . . . . . . . .
36Hood lock release lever 112
. . . . . . . . . . . . . . . . . . . . . .
37Fuel filler door opener 113
. . . . . . . . . . . . . . . . . . . . . . . .
38RSCA OFFº (roll sensing of curtain
shield airbags off) switch 193 . . . . . . . . . . . . . . . . . . . .
39Outside rear view mirror defogger switch 47 . . . . . . .
40Power outlet (115 VAC) main switch 95
. . . . . . . . . . . .

GAUGES, METERS AND SERVICE REMINDER INDICATORS
58
ENGINE COOLANT
TEMPERATURE GAUGE

Normal range
The gauge indicates the engine coolant temperature when
the ignition switch is on. The engine operating
temperature w ill vary with changes in weather and engine
load.
If the needle points to the red zone or higher, stop your vehicle
and allow the engine to cool.
Your vehicle may overheat during severe operating conditions,
such as:
 Driving up a long hill on a hot day.
 Reducing speed or stopping after high speed driving.
 Idling for a long period with the air conditioning on in
stop-and-go traffic.
 Towing a trailer. It is not a malfunction even if the needle of the engine coolant
temperature gauge returns to Cº when the ignition switch is
turned to the STARTº.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
66
(d) SRS Warning Light
The indicator comes on when the ignition key is turned to
the ONº position. It goes off after about 6 seconds. This
means the SRS airbags and front seat belt pretensioners
are operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver's seat position sensor, driver's seat belt buckle switch,
front seat belt pretensioner assemblies, inflators, warning light,
RSCA OFFº indicator light, interconnecting wiring and power
sources.
If either of the following conditions occurs, this indicates a
malfunction somewhere in the parts monitored by the warning
light system. Contact your Lexus dealer as soon as possible
to service the vehicle.
 The light does not come on when the ignition key is turned
to the ONº position or remains on for more than 6 seconds
or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the driver and front
passenger airbags have a problem. If the light flashes, the side
and curtain shield airbags and/or seat belt pretensioners have
a problem.
(e) Malfunction Indicator Lamp
This lamp comes on when the ignition key is turned to the
ONº position and goes off after the engine starts. This
means that the warn ing light system is operating properly.
If the lamp remains on, or the lamp comes on while driving,
first check the followings.
 Empty fuel tank
If the fuel tank is empty, refuel immediately.
 Loose fuel tank cap
If the fuel tank cap is loose, securely tighten it.
These cases are temporary malfunctions. The malfunction
indicator lamp will go off after taking several driving trips.
If the lamp does not go off even after several trips, contact your
Lexus dealer as soon as possible.
If the fuel tank is not empty or the fuel tank cap is not
loose...
 There is a problem somewhere in the engine, emission
control system, electronic throttle control system, automatic
transmission electrical system or warning light system itself.
Contact your Lexus dealer as soon as possible to service the
vehicle.
If engine speed does not increase when the accelerator pedal
is depressed, there may be a problem somewhere in the
electronic throttle control system.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
70
(j) VSC TRACº Warning Light
This light warns that there is a problem somewhere in the
following.
Vehicle stability control system
 Active traction control system
 Downhill assist control system
 Hill-start assist control system
The light will come on when the ignition key turned to ONº, and
will go off after a few seconds.
It is not a malfunction that the warning light may stay on for 60
seconds after the ignition key is turned to the ONº position.
Depressing the brake pedal repeatedly may turn on the lights.
It is normal if they go out after a few seconds.
There is no problem when the VSC TRACº warning light
comes on when the brake actuator temperature becomes high.
If the light comes on while driving, the above mentioned
systems do not work. However, as conventional braking
operates when applied, there is no problem to continue your
driving.
In the following cases, contact your Lexus dealer:
 The warning light does not come on after the ignition key is
turned to ONº.
 The warning light remains on after the ignition key is turned
to ONº.
 The warning light comes on while driving.
(k) KDSSº Warning Light (vehicles with kinetic
dynamic suspension system)
This light warns that there is a problem somewhere in the
kinetic dynamic suspension system.
The light will come on when the ignition key is turned to the
ONº position and will go off after a few seconds.
If the light comes on while driving, bring your vehicle to your
Lexus dealer as soon as possible and have it checked.
(l) Discharge Warning Light
This light warns that the battery is being discharged.
If it comes on while you are driving, stop the vehicle, turn off the
engine, and check for the cause. Look first at the engine drive
belt.
 If it is loose or broken, the generator will not charge the
battery properly.
 If the belt is O.K., there is a problem somewhere in the
charging system.
The engine ignition will continue to operate, however, until the
battery is discharged. Turn off the air conditioning, blower,
radio, etc., and drive directly to the nearest Lexus dealer or
repair shop.

OCCUPANT RESTRAINT SYSTEMS
164
This indicator comes on when the ignition key is turned to
the ONº position. It goes off after about 6 seconds. This
means the seat belt pretensioners are operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver's seat position sensor, driver's seat belt buckle switch,
front seat belt pretensioner assemblies, inflators, warning light,
RSCA OFFº indicator light, interconnecting wiring and power
sources. (For details, see Service reminder indicators and
warning buzzersº on page 62 for instructions.) If any of the following conditions occurs, this indicates a
malfunction of the airbags or seat belt pretensioners. Contact
your Lexus dealer as soon as possible.

The light does not come on when the ignition key is turned
to the ONº position or remains on for more than 6 seconds
or flashes.
 The light comes on or starts flashing while driving.
 If either front seat belt does not retract or cannot be pulled
out due to a malfunction or activation of the relevant front
seat belt pretensioner.
 The front seat belt pretensioner assembly or surrounding
area has been damaged.

OCCUPANT RESTRAINT SYSTEMS
175
The indicator comes on when the ignition key is turned to
the ONº position. It goes off after about 6 seconds. This
means the SRS front airbags are operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver's seat position sensor, driver's seat belt buckle switch,
front seat belt pretensioner assemblies, inflators, warning light,
RSCA OFFº indicator light, interconnecting wiring and power
sources. (For details, see Service reminder indicators and
warning buzzersº on page 62 for instructions.) If any of the following conditions occurs, this indicates a
malfunction of the airbags or seat belt pretensioners. Contact
your Lexus dealer as soon as possible.

The light does not come on when the ignition key is turned
to the ONº position or remains on for more than 6 seconds
or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the SRS front airbags have
a problem. If the light flashes, the SRS side and curtain shield
airbags have a problem.

OCCUPANT RESTRAINT SYSTEMS
191
The indicator comes on when the ignition key is turned to
the ONº position. It goes off after about 6 seconds. This
means the SRS side airbags and curtain shield airbags are
operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver's seat position sensor, driver's seat belt buckle switch,
front seat b elt pretensioner assemblies, inflators, warning light,
RSCA OFFº indicator light, interconnecting wiring and power
sources. (For details, see Service reminder indicators and
warning buzzersº on page 62 for instructions.) If any of the following conditions occurs, this indicates a
malfunction of the airbags or seat belt pretensioners. Contact
your Lexus dealer as soon as possible.

The light does not come on when the ignition key is turned
to the ONº position or remains on for more than 6 seconds
or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the SRS front airbags have
a problem. If the light flashes, the SRS side and curtain shield
airbags have a problem.

SECTION 2 ± 1
235
AIR CONDITIONING AND AUDIO
Air conditioningAutomatic air c
onditioning controls
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . 236
Rear cooler controls253
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . . . .
For vehicles equipped with Navigation System,
please refer to the separate Navigation SystemOwner's Manualº.