engine Lexus GX470 2003 How To Use This Manual / LEXUS 2003 GX470 (OM60A45U) Owner's Guide

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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 “ABS” warning light.
In this case, not only the antilock brake system will fail,
but also the vehicle will become extremely unstable
during braking.
Any 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 “ON” 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 “ON” or “START”, 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.

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(e) Malfunction Indicator Lamp
This lamp comes on when the ignition key is turned to the
“ON” position and goes off after the engine starts. This
means that the warning 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 will not go off even after the 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 the engine speed does not increase with the accelerator
pedal depressed down, there may be a problem somewhere
in your electronic throttle control system. At this time, vibration may occur. However, if you depress the
accelerator pedal more firmly and slowly, you can drive your
vehicle at low speeds. Have your vehicle checked by your
Lexus dealer as soon as possible.
Even if the abnormality of the electronic throttle control system
is corrected during low speed driving, the system may not be
recovered until the engine is stopped and the ignition key is
turned to “ACC” or “LOCK” position.
CAUTION
Be especially careful to prevent erroneous pedal
operation.
Emissions inspection and maintenance (I/M) programs
Your vehicle may not pass a state emission inspection if the
malfunction indicator lamp remains on. Contact your Lexus
dealer to check your vehicle’s emission control system and
OBD (On−Board Diagnostics) system before taking your
vehicle for the inspection.
For details, see “Emissions inspection and maintenance (I/M)
programs” on page 401.

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(g) Open Door Warning Light
This light remains on until all the side doors and back door are
completely closed.
(h) Unengaged “Park” Warning Light
This light warns that the transmission “Park” mechanism is not
engaged. If the four −wheel drive control is in the “N” position
while the selector lever is in the “P” position, the transmission
will disengage and the wheels will not lock.
CAUTION
To restore the park function, shift the fourwheel drive
control out of “N”.
(i) Automatic Transmission Fluid Temperature Warning Light
This light warns that the automatic transmission fluid
temperature is too high.
If this light comes on while you are driving, slow down and pull
off the road. Stop the vehicle at a safe place and put the
selector lever in “P” and leave the engine idling until the light
goes off. If the light goes off, you can start the vehicle again.
If the light does not go off, call a Lexus dealer or qualified repair
shop for assistance.
NOTICE
Continued driving with the warning light on may
damage the automatic transmission.

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(j) “VSC TRAC” Warning Light
The light warns that there is a problem somewhere in the
following.
Vehicle skid 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 “ON”, 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 “ON” 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 TRAC” 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 “ON”.
 The warning light remains on after the ignition key is turned
to “ON”.
 The warning light comes on while driving.
(k) 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.
NOTICE
Do not continue driving if the engine drive belt is broken
or loose.
(l) Low Engine Oil Pressure Warning Light
This light warns that the engine oil pressure is too low.
If it flickers or stays on while you are driving, pull off the road
to a safe place and stop the engine immediately. Call a Lexus
dealer or qualified repair shop for assistance.

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The light may occasionally flicker when the engine is idling or
it may come on briefly after a hard stop. There is no cause for
concern if it then goes out when the engine is accelerated
slightly.
The light may come on when the oil level is extremely low. It
is not designed to indicate low oil level, and the oil level must
be checked using the oil level dipstick.
NOTICE
Do not drive the vehicle with the warning light on even
for one block. It may ruin the engine.
(m) Engine Oil Replacement Reminder Light
This light reminds you when to replace the engine oil.
This light will come on when the ignition key is turned to “ON”
and will go off after about a few seconds.
When you drive for about 8000 km (5000 miles) after the
engine oil replacement, this light illuminates for about 3
seconds and then flashes for about 12 seconds with the
ignition key turned to “ON” position. If you continue driving
without the engine oil replacement, and if the driving range
exceeds
12000 km (7500 miles), the light will come on after the
ignition key is turned to “ON” position. The light will remain on
thereafter.
If the light is flashing, we recommend that you replace the
engine oil at an early opportunity depending on the driving and
road condition. If the light comes on, replace it as soon as
possible. You need to reset the light after the engine oil replacement.
Reset the light by following the procedure below:
1. Turn the ignition key to the “OFF” position with the odometer
reading
shown. (For details, see “Odometer and trip meter” on
page 42.)
2. Turn the ignition key to the “ON” position while holding down
the trip meter reset knob.
Hold down the knob until the light goes off. Before the light
goes off, it illuminates for 3 seconds, flashes for 2 seconds and
illuminates for 1 second.
If the system fails to reset, the light will remain flashing. In this
case, return to step 1 and try again.
(n) Low Fuel Level Warning Light
This light comes on when the fuel level in the tank becomes
very low. Fill the tank as soon as possible.
On inclines or curves, due to the movement of fuel in the tank,
the low fuel level warning light may come on earlier than usual.
(o) Low Washer Fluid Warning Light
This light comes on when the fluid level in the tank becomes
very low. Fill the tank as soon as possible.
(p) Key Reminder Buzzer
This buzzer reminds you to remove the key when you open the
driver’s door with the ignition key in the “ACC” or “LOCK”
position.

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Outside temperature mode
In outside temperature mode, outside air temperatures
are displayed.
The displayed value is updated every 1 second.
The displayed temperature ranges from −22F (− 30C) up to
122 F (50C).
If there is some abnormality in the connection of the outside air
temperature sensor, “ −−” will appear on the display. If “ −−”
appears on the display, contact your Lexus dealer.
In some cases, “ −−” may appear momentarily when the ignition
is quickly turned to “ON”. It is normal if it goes out soon. 
Average fuel consumption modeAverage fuel consumption is calculated and displayed
based on total driving distance and total fuel consumption
with the engine running.
The displayed value is updated every 10 seconds.
To reset the calculations, push and hold the “RESET” button for
more than 1 second.

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Instantaneous fuel consumption mode
Instantaneous fuel consumption is calculated and
displayed based on distance and fuel consumption for 2
seconds with the engine running.
The displayed value is updated every 2 seconds.
Note that an accurate figure may not be shown in the following
cases.
 When the vehicle is stopped with the engine running, the
display will indicate extremely high fuel consumption.
 When the vehicle is driving down a long slope, with the
engine brake applied, the display will indicate extremely low
fuel consumption.
To reset the calculations, push and hold the “RESET” button for
more than 1 second. 
Driving range modeThe distance the vehicle can travel with the remaining fuel
is calculated and displayed based on the quantity of
remaining fuel and past fuel consumption.
The driving range display indicates the approximate distance
that you can drive until the fuel gauge reaches “E”. It is dif ferent
from the actual distance traveled.
The displayed value is updated every time the fuel required to
travel 0.6 miles (1 km) is consumed.
Every time you refuel the vehicle, the calculation is reset.
The actual driving range varies with driving habits and road
conditions. If fuel consumption is good, the driving range will
be longer. If fuel consumption is poor, the driving range will be
shorter.
If the low fuel level warning light comes on, refuel even if the
display indicates that the vehicle can be driven further.

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Average vehicle speed mode
Average vehicle speed is calculated and displayed based
on total driving distance and total driving time with the
engine running.
The displayed value is updated every 10 seconds.
To reset the calculations, push and hold the “RESET” button for
more than 1 second. 
Barometer modeIn barometer mode, the atmospheric pressure in the
vehicle is displayed.
The displayed atmospheric pressure ranges from 17.8 IN.HG
(600 hPa) up to 31.0 IN.HG (1050 hPa).
The displayed value is updated every 2 seconds.
The displayed value may deviate from the actual atmospheric
pressure depending on opening or closing of the windows and
doors and the driving conditions.

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Altimeter mode
In altimeter mode, the approximate altitude is displayed.
The displayed altitude ranges from −1500 ft. (−500 m) up to
13000 ft. (4000 m).
As the altitude value is converted from the atmospheric
pressure, it can be easily affected by air motion and
temperature, so the indication may vary. The indicated altitude
of a single position may deviate according to the atmospheric
pressure and temperature.
The displayed value is updated every 2 seconds.
RECTIFICATION OF THE ALTITUDE
Rectification is valid only when the correct altitude is known.
While the altitude mode is on the display, push the “
” or “”
button to increase or decrease the altitude by 50 ft. (10 m).
To reset the rectified altitude, push and hold the “RESET”
button for more than 1 second. 
Elapsed time mode
The time that has elapsed since the engine started is
displayed.
When the engine is started, driving time is counted from 0:00.
Up to 19:59 (19 hours, 59 minutes) can be displayed. When
the driving time exceeds 19:59, the counter returns to 0:00.
To reset the calculations, push and hold the “RESET” button for
more than 1 second.

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INTERIOR EQUIPMENT
66When all the doors are unlocked simultaneously using either
the key or the wireless remote control, all of the lights except
the center console spot lights will come on and remain on for
about 15 seconds before fading out.
To prevent the battery being discharged, all of the lights will
automatically turn off when the ignition key removed and the
door is left opened for about 30 minutes.
Ignition switch light, personal lights and center interior
light
The ignition switch light, personal lights and center interior light
also come on and remain on for about 15 seconds before
fading out when the ignition switch is turned to the “LOCK”
position.
Foot lights and inside door handle lights
The foot lights and inside door handle lights also come on when
the ignition switch is in the “ON” position with the selector lever
in the “P” position. When the selector lever is moved out of the
“P” position, the foot lights and inside door handle lights will be
dimmed.*
NOTE:
* The foot lights and inside door handle lights can be set to
turn off when the selector lever is moved out of the “P”
position.
Ask your Lexus dealer for details.
Center console spot lights
The center console spot lights come on when the ignition
switch is in the “ACC” or “ON” position.
CIGARETTE LIGHTER AND ASHTRAY
Front
To use the cigarette lighter and ashtray, first push against
the cigarette lighter and ashtray covers. Then when the
cigarette lighter cover opens, press in the cigarette lighter.
After it finishes heating up, it automatically pops out ready
for use.
Do not hold the cigarette lighter pressed in.
If the engine is not running, the ignition key must be in the
“ACC” position to use the lighter.
When finished with your cigarette, thoroughly extinguish it in
the ashtray to prevent other cigarette butts from catching fire.
After using the ashtray, push it back in completely.
To remove the ashtray, press down on the lock spring plate and
pull out.