warning light Lexus GX470 2005 Pictorial Index / LEXUS 2005 GX470 (OM60B11U) Owner's Guide

OCCUPANT RESTRAINT SYSTEMS
195
If the front passenger occupant classification system
determines that a person of adult size sits in the front
passenger seat but the ªAIRBAG OFFº indicator light is
illuminated, one of the following is likely to have occurred:

The rear passenger lifts the front passenger seat cushion
with their legs.
 Objects are placed under the front passenger seat.
 A front passenger seat seatback is in contact with a rear
seat.
To ensure the system correctly detects an adult sitting in the
front passenger seat, make sure the above do not occur.
Make sure the ªAIRBAG ONº indicator light is illuminated when
an adult sits in the front passenger seat. If the ªAIRBAG OFFº
indicator light is illuminated, ask the passenger to sit up
straight, well back in the seat, and with the seat belt worn
correctly. If the ªAIRBAG OFFº indicator light still remains
illuminated, either ask the passenger to move to the rear seat,
or if that is not possible, move the front passenger seat fully
rearward. The ªAIRBAG ONº and ªAIRBAG OFFº indicator light will
be initially illuminated when the ignition switch is turned
to the ªONº position. It will remain for about four seconds
and then go off. After about two seconds, the front
passenger occupant classification system operates and
judges whether to turn the indicator light on or not.
The SRS warning light and ªAIRBAG OFFº indicator light
will be illuminated if there is a malfunction in the front
passenger occupant classification system.

OCCUPANT RESTRAINT SYSTEMS
196
Condition and operation in the front passenger occupant classification s\
ystem
Indicator/warning lightDevices
Condition detectedby the front
passenger occupant
classification systemªAIRBAG ONº and
ªAIRBAG OFFº
indicator lights
SRS
warning light
Front
passenger's seat belt
reminder light
Front
passenger airbagSide airbag
on the frontpassenger seatCurtain
shield airbag in the frontpassenger sideFront
passenger's seat belt
pretensioner
1Adult*1ªAIRBAG ONºOffFlashing*4Activated
2Child *2 or child
restraint system*3ªAIRBAG OFFºOffFlashing*4DeactivatedActivated
3UnoccupiedNot
illuminatedOffOffDeactivatedActivatedDeactivated
4There is a
malfunction in the
systemªAIRBAG OFFºOnOffDeactivatedActivated
*1: The system judges a person of adult size as an adult. When a smaller ad\
ult sits in the front passenger seat, the system may recognize him/her as a child depending on his/her physique and posture.
*
2: When a lar ger child who has outgrown a child restraint system sits in the front pa\
ssenger seat, the system may recognize him/her
as an adult depending on his/her physique or posture.
*
3: Never install a rear±facing child restraint system on the front passe\
nger seat. A forward±facing child restraint system shoul d
only be installed on the front passenger seat when it is unavoidable. (\
See ªChild restraint systemº on page 202 as for install ing
the child restraint system.)
*
4: In the event the front passenger does not wear a seat belt.

OCCUPANT RESTRAINT SYSTEMS
198
If an adult sits in the front passenger seat, the
ªAIRBAG ONº indicator light should be illuminated.
If the ªAIRBAG OFFº indicator is illuminated, ask the
passenger to sit up straight, well back in the seat, feet
on the floor, and with the seat belt worn correctly. If
the ªAIRBAG OFFº indicator still remain illuminated,
either ask the passenger to move to the rear seat, or
if that is not possible, move the front passenger seat
fully rearward.
 When it is unavoidable to install the forward±facing
child restraint system on the front passenger seat,
install the child restraint system on the front
passenger seat in the proper order. (As for the
installation order, see ªChild restraint systemº on
page 202.)
 Do not remove the seat.
 Do not kick the front passenger seat or subject it to
severe impact. Otherwise, the SRS warning light may
come on to indicate a malfunction of the detection
system. In this case, contact your Lexus dealer
immediately.
 Child restraint systems installed on the rear seat
should not contact the front seatbacks.In addition to the precautions outlined above, the ªAIRBAG
ONº indicator light may be illuminated when a child sits in the
front passenger seat or a forward±facing child restraint system
is installed on the front passenger seat. If the ªAIRBAG OFFº
indicator light is not illuminated in these circumstances, the
front passenger airbag and side airbag on the front passenger
side are in an activated condition Ð the airbags will deploy if
an impact meets the deployment criteria. Refer to all the
cautions in this Section and ªChild restraint systemº on page
202.

STARTING AND DRIVING
421
4Resetting to a slower speed
Press the control lever downward in the ª± SETº direction and
hold it. Release the lever when the desired speed is attained.
While the lever is held downward, the vehicle speed will
gradually decrease.
When the difference between the actual vehicle speed and the
set speed is less than 5 km/h (3 mph), the set speed can be
lowered 1.6 km/h (1 mph) each time by pressing the control
lever downward in the ª± SETº direction quickly.
However, a quicker way to reset is to depress the brake pedal
and then press the control lever downward in the ª± SETº
direction.
Even if you downshift the transmission from the ªDº position to
ª4º position with the cruise control on, engine braking will not
be applied because the cruise control is not cancelled. To
decrease the vehicle speed, reset to a slower speed with the
cruise control lever or depress the brake pedal. If you use the
brake pedal, cruise control is cancelled.
5Resuming the preset speed
If the preset speed is cancelled by pulling the control lever or
by depressing the brake pedal, pushing the lever up in the ª+
RESº direction will restore the speed set prior to cancellation.
Cruise control failure warning
If the ªCRUISEº indicator light in the instrument cluster flashes
when using the cruise control, push the ºON±OFFº button to
turn the system off and then push it again to turn it on.
If any of the following conditions then occurs, there is some
trouble in the cruise control system.
 The indicator light does not come on.
 The indicator light flashes again.
 The indicator light goes out after it comes on.
If this is the case, contact your Lexus dealer and have your
Lexus inspected.

STARTING AND DRIVING
429
(f) Parking and stopping tips
If you immediately stop the engine to park the vehicle after
off±road driving, the vehicle height is lowered slightly as the
vehicle becomes cool. When parking, make sure there is
nothing that will be in contact with the underbody of the vehicle.
When you start the engine, the vehicle returns to the previous
height.
If you park the vehicle for a long time, the vehicle height may
be gradually lowered. When parking for a long time, make sure
there is nothing that will be in contact with the underbody of the
vehicle. When you start the engine, the vehicle returns to the
previous height.
If you stop the engine, the vehicle height may change in
accordance with the change in the temperature. When you
start the engine, the vehicle returns to the previous height.
(g) Rear height control failure warning
If there is a problem somewhere in the rear height control air
suspension, the ªNº mode is automatically selected. If this
occurs, the height control ªOFFº indicator light blinks and the
vehicle height control cannot be activated until the malfunction
is corrected. If this is the case, bring your vehicle to your Lexus
dealer as soon as possible and have it checked.
ELECTRONIC MODULATED SUSPENSION
This electronic modulated suspension adjusts the
damping effect on the shock absorbers with the control
switch. Select one of the 4 modes which is suited to the
driving conditions with the control switch to provide good
riding comfort and stability.
1For driving on a bumpy road
2For ordinary driving such as in the city traffic
3For moderate high speed driving
4For sporty type driving such as on winding mountain
roads and high speed driving
5Soft
6Firm

STARTING AND DRIVING
432
ªVSC TRACº warning light
This light warns that there is a problem somewhere in the
following.
Active traction control system
 Vehicle stability control system
 Downhill assist control system
 Hill±start assist control
When the system is normal and the ignition key is turned to
ªONº, the warning light will come 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 ªONº
position. Depressing the brake pedal repeatedly may turn on the light.
It is normal if it goes out after a few seconds.
If the ªVSC TRACº warning light and slip indicator light comes
on while driving, the active traction control system does not
work. However, as normal braking operates when being
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 ªONº.
 The warning light remains on after the ignition key is turned
to ªONº.
 The warning light comes on while driving.

STARTING AND DRIVING
435

The indicator light comes on when the system is on while
driving.
NOTICE
Make sure that the center differential lock indicator light
goes off before normal driving.
ªVSC TRACº warning light
This light warns that when there is a problem somewhere in the
following. 
Vehicle stability control system
 Active traction control system
 Downhill assist control system
 Hill±start assist control
When the system is normal and the ignition key is turned to
ªONº, the warning light will come 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 ªONº
position.
Depressing the brake pedal repeatedly may turn on the light.
It is normal if they go out after a few seconds.
If the light comes on while driving, the vehicle stability control
system does not work. However, as normal braking operates
when being 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 ªONº.
 The warning light remains on after the ignition key is turned
to ªONº.

STARTING AND DRIVING
436
The warning light comes on while driving.
DOWNHILL ASSIST CONTROL
SYSTEM
The downhill assist control system is a system that
assists the deceleration of the engine brake when you
drive down a steep hill. When you are driving down a hill
with the four±wheel drive control lever in the ªLº position,
push the ªDACº switch to limit the vehicle's acceleration.
If the vehicle is traveling at a speed of 25 km/h (15 mph) or
less, you can descend at a constant speed.
CAUTION
Do not rely excessively on the downhill assist control
system. It may not be able to maintain a low speed over
road surf aces or off±road surfaces on which sliding can
easily occur, such as extremely steep slopes or icy or
muddy roads.
Turning on the system
1. Shift the four±wheel drive control lever to the ªLº
position.
The system will not operate if the four±wheel drive control lever
is in the ªHº position.
2. In order to make full use of the engine brake, putting the
transmission in ªLº or ª2º is recommended.
The system will operate even if the transmission selector lever
is in ªDº, ª4º, ª3º or ªNº. However, when it is in ªLº or ª2º the
engine brake can also be utilized enabling the system to
operate more effectively.
3. Push the ªDACº switch to turn the system on. The
downhill assist control system indicator light on the
instrument panel will come on.

STARTING AND DRIVING
438
ªVSC TRACº warning light
If there is any abnormality in the system, the ªVSC TRACº
warning light will come on. When the ªDACº switch is
pushed, the downhill assist control system indicator light
also flash.If the ªVSC TRACº warning light comes on, there may be an
abnormality in any of the following systems in addition to the
downhill assist control system.

Hill±start assist control
 Active traction control system
 Vehicle stability control system
When the system is normal and the ignition key is turned to
ªONº, the warning light will come 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 ªONº
position.
Depressing the brake pedal repeatedly may turn on the light.
It is normal if it goes out after a few seconds.
If the ªVSC TRACº warning light and slip indicator light comes
on while driving, the system does not work. However, as
normal braking operates when being applied, it 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 ªONº.
 The warning light remains on after the ignition key is turned
to ªONº.
 The warning light comes on while driving.

STARTING AND DRIVING
441
ªVSC TRACº warning light
If there is any abnormality in the system, the ªVSC TRACº
warning light will come on.
If the system malfunctions, the ªVSC TRACº warning light will
come on.
If the ªVSC TRACº warning light comes on, there may be an
abnormality in any of the following systems in addition to the
hill±start assist control.
Downhill assist control system
 Active traction control system
 Vehicle stability control system
When the system is normal and the ignition key is turned to
ªONº, the warning light will come 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 ªONº
position. Depressing the brake pedal repeatedly may turn on the light.
It is normal if it goes out after a few seconds.
If the ªVSC TRACº warning light and slip indicator light comes
on while driving, the system does not work. However, as
normal braking operates when being applied, it 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 ªONº.
 The warning light remains on after the ignition key is turned
to ªONº.
 The warning light comes on while driving.