service indicator Lexus GX470 2004 Audio System / LEXUS 2004 GX470 THROUGH OCT. 2003 PROD. OWNER'S MANUAL (OM60A46U)

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!
SECTION 4 Ð IN CASE OF AN EMERGENCY
This Section explains what to do in the event of an urgent
situation such as the engine not starting or getting a flat tire,
etc. If such a problem occurs, check the contents of this
Owner's Manual and follow the instructions given.
SECTION 5 Ð MAINTENANCE
This Section explains the importance of regular maintenance.
Regular and periodic inspection and maintenance of your
Lexus will help to keep your vehicle in its best condition.
SECTION 6 Ð SERVICE PROCEDURES AND
SPECIFICATIONS
Simple maintenance procedure and service data are provided
here for your reference should you wish to perform inspection
and maintenance yourself.
INDEX
The page number is listed for each item in the Owner's Manual
so that you can rapidly find the item and page you are
searching for.

SECTION 1 ± 3
50
INSTRUMENTS AND CONTROLS
Gauges, meters and service reminder indicators
Fuel gauge51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine coolant temperature gauge52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tachometer54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Odometer and trip meter55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service reminder indicators and warning buzzers55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multi-information display67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument panel light control73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GAUGES, METERS AND SERVICE REMINDER INDICATORS
51
FUEL GAUGE

Low fuel level warning light
The gauge indicates the approximate quantity of fuel
remaining in the tank when the ignition switch is on.
It is a good idea to keep the tank over 1/4 full.
If the fuel level approaches Eº or the low fuel level warning light
comes on, fill the fuel tank as soon as possible.
On inclines or curves, due to the movement of fuel in the tank,
the fuel gauge needle may fluctuate or the low fuel level
warning light may come on earlier than usual.
If the fuel tank is completely empty, the malfunction indicator
lamp comes on. Fill the fuel tank immediately.
The indicator lamp goes off after driving several times. If the
indicator lamp does not go off, contact your Lexus dealer as
soon as possible.It is not a malfunction even if the needle of the fuel gauge
returns to Eº when the ignition switch is turned to the STARTº
position.
See the inner back cover for fuel capacity and recommended
fuel selection.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
52
ENGINE COOLANT
TEMPERATURE GAUGE

Normal range
The gauge indicates the engine coolant temperature when
the ignition switch is on. The engine operating
temperature will 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
53
NOTICE
Do not remove the thermostat in the engine cooling
system as this may cause the engine to overheat. The
thermostat is designed to control the flow of coolant
to keep the temperature of the engine within the
specified operating range.
Do not continue driving with an overheated engine.
See If your vehicle overheatsº on page 443.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
54
TACHOMETERThe tachometer indicates engine speed in thousands of
rpm (revolutions per minute). Use it while driving to
prevent engine over-revving.
Driving with the engine running too fast causes excessive
engine wear and poor fuel economy. Remember, in most
cases the slower the engine speed, the greater the fuel
economy.
It is not a malfunction even if the needle of the tachometer
returns to the bottom position when the ignition switch is turned
to the STARTº position.
NOTICE
Do not let the indicator needle get into the red zone. This
may cause severe engine damage.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
55
ODOMETER AND TRIP METER

Trip meter reset knob
This meter displays the odometer and two trip meters. To
change the mode indication, push the trip meter reset
knob briefly. Each time you push the knob, the mode
changes in order from the odometer to trip meter A to trip
meter B, then back to the odometer, etc.
The odometer records the total distance the vehicle has
been driven. The twin trip meter records two different
distances independently.
For example, you can use one meter to calculate the fuel
economy and the other to measure the distance on each trip.
To set the A trip meter to zero, display the A meter reading,
push the knob and hold it. The same applies for the B trip
meter.
The data of trip meters will be cancelled if the electrical power
source is disconnected.
SERVICE REMINDER INDICATORS
AND WARNING BUZZERS
IF THIS INDICATOR OR
BUZZER COMES ON...DO THIS.
(a)
(Indicator and buzzer)
If parking brake is off,
stop immediately and
contact Lexus dealer.
(b)
(Indicator and buzzer)
Fasten driver's seat
belt.
(c)Fasten front
passenger's seat belt.
(d)Take vehicle to Lexus
dealer immediately.
(e)Take vehicle to Lexus
dealer.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
56IF THIS INDICATOR OR
BUZZER COMES ON...
DO THIS.
(f)
Take vehicle to Lexus
dealer.
If brake system
warning light is also
on, stop immediately
and contact Lexus
dealer.
(g)Close all side doors
and back door.
(h)Shift four-wheel drive
control out of Nº.
(i)Stop and check.
(j)Take vehicle to Lexus
dealer.
IF THIS INDICATOR OR
BUZZER COMES ON...DO THIS.
(k)Stop and check.
(l)Stop and check.
(m)Replace engine oil.
(n)Fill up tank.
(o)Add washer fluid.
(p)Key reminder buzzerRemove key.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
57
(a) Brake System Warning Light and Buzzer
This light comes on in the following cases when the ignition key
is in the ONº position.
When the parking brake is applied...
This light comes on for a few seconds when the ignition key is
in the ONº position even after the parking brake is released.
When the brake fluid level is low...
CAUTION
It is dangerous to continue driving normally when the
brake fluid level is low.
When the hydraulic brake booster fails...
If the hydraulic booster causes a problem resulting in poor
braking performance, the warning light comes on and buzzer
sounds continuously.
Have your vehicle checked at your Lexus dealer in the
following cases:
The light does not come on even if the parking brake is
applied when the ignition key is in the ONº position.
The light does not come on even if the ignition key is turned
on with the parking brake released.
A warning light turning on briefly during operation does not
indicate a problem.
CAUTION
If any of the following conditions occurs, immediately
stop your vehicle at a safe place and contact your Lexus
dealer.
The light does not turn off even after the parking
brake is released while the engine is running.
The warning buzzer comes on together with the
warning light.
In either case, this can indicate that the brakes may not
work properly and your stopping distance will become
longer. Depress the brake pedal firmly and bring the
vehicle to an immediate stop.
The brake system warning light remains on together
with the ABSº warning light.
In this case, not only the anti-lock brake system will fail,
but also the vehicle will become extremely unstable
during braking.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
58Any of the following conditions may occur, but do not
indicate the malfunction:
The light may stay on for about 60 seconds after the ignition
key is turned to the ONº position. It is normal if it turns off
after a while.
Depressing the brake pedal repeatedly may turn on the
warning light and buzzer. It is normal if the light turns off and
the buzzer stops sounding after a few seconds.
You may hear a small sound in the engine compartment
after the engine is started or the brake pedal is depressed
repeatedly. This is a pump pulsating sound of the brake
system, and it is not a malfunction.
(b) Driver's Seat Belt Reminder Light and Buzzer
This light and buzzer remind you to buckle up the driver's seat
belt.
Once the ignition key is turned to ONº or STARTº, the
reminder light flashes and buzzer sounds if the driver's seat
belt is not fastened. Unless the driver fastens the belt, the light
stays flashing and the buzzer stops after about 4 to 8 seconds.
(c) Front Passenger's Seat Belt Reminder Light
This light reminds you to buckle up the front passenger's seat
belt.
Once the ignition key is turned to ONº or STARTº, the
reminder light flashes if a passenger sits in the front passenger
seat and does not fasten the seat belt. Unless the front
passenger fastens the belt, the light stays flashing.
If luggage or other load is placed on the front passenger seat,
depending on its weight and how it is placed on the seat,
built-in sensors in the seat cushion may detect the pressure,
causing the reminder light to come on.