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If your vehicle gets ditched, turn off the electronically
modulated air suspension with the height control
switch. Otherwise, the automatic leveling function
may cause the vehicle height to change, possibly
resulting in further damage to the vehicle.
When disconnecting a trailer, put the vehicle height
in the “LO” mode and push the height control switch
to turn off the electronically modulated air
suspension. Otherwise, the vehicle height may be
changed in the automatic leveling function, resulting
in unexpected accident.(f) Height control failure warning
1Height control indicator lights
2Height control “OFF” indicator light
3Easy access mode indicator light
When the ignition switch is turned on, all the indicator lights
come on. Only the indicator light showing the present mode
remains on and all other lights go off after a few seconds. This
means the system is operating correctly.
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“VSC” warning light
This light warns that there is a problem somewhere in the
vehicle stability control system or traction control system.
The light will come on when the ignition key is turned to “ON”
and will go off after a few seconds.
If the light comes on while driving, the vehicle stability control
system and traction control system 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.
The “TRAC OFF” indicator light will come on when the “VSC”
warning light comes on even if the “TRAC OFF” switch is not
pushed.
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454When the traction control system is operating, the following
conditions occur:
The system controls the spinning of the 4 wheels. At this
time, the slip indicator light blinks.
You may feel vibration or noise in your vehicle, caused by
operation of the brakes. This indicates the system is
functioning properly.
The slip indicator light comes on for a few seconds when the
ignition key is turned to “ON”. If the indicator light does not
come on when the ignition is turned on, contact your Lexus
dealer.
“VSC” warning light
This light warns that there is a problem somewhere in the
vehicle stability control system or traction control system.
The light will come on when the ignition key is turned to “ON”
and will go off after a few seconds.
If the light comes on while driving, the vehicle stability control
system and traction control system do not work. However, as
conventional braking operates when applied, there is no
problem to continue your driving.
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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.
VEHICLE STABILITY CONTROL
SYSTEM
The vehicle stability control system helps provide
comprehensive control of the systems such as anti lock
brake system, traction control, engine control, etc. This
system automatically controls the brakes and engine to
help prevent the vehicle from skidding when cornering on
a slippery road surface or operating steering wheel
abruptly.
This system activates when the vehicle speed is about more
than 15 km/h (9 mph).
You may hear a sound in the engine compartment for a few
seconds just after the vehicle begins to move. This means that
the system is in the self −check mode, but does not indicate a
malfunction.
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“VSC” warning light
This light warns that there is a problem somewhere in the
vehicle stability control system or traction control system.
The light will come on when the ignition key is turned to “ON”
and will go off after a few seconds.
If the light comes on while driving, the vehicle stability control
system and traction control system 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.
Tw o −wheel drive models only — The “TRAC OFF” indicator
light will come on when the “VSC” warning light comes on even
if the “TRAC OFF” switch is not pushed.
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BRAKE SYSTEM
The tandem master cylinder brake system is a hydraulic
system with two separate sub− systems. If either sub− system
should fail, the other will still work. However, the pedal will be
harder to press, and your stopping distance will increase. Also,
the brake system warning light may come on.
CAUTION
Do not drive your vehicle with only a single brake
system. Have your brakes fixed immediately.
Brake booster
The brake booster uses engine vacuum to power −assist the
brakes. If the engine should quit while you are driving, you can
bring the vehicle to a stop with normal pedal pressure. There
is enough reserved vacuum for one or two stops but no more!
CAUTION
Do not pump the brake pedal if the engine stalls.
Each push on the pedal uses up your reserved
vacuum.
Even if the power assist is completely lost, the brakes
will still work. But you will have to push the pedal
hard, much harder than normal. And your braking
distance will increase.
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Anti lock brake system is not designed to shorten the
stopping distance: Always drive at a moderate speed
and maintain a safe distance from the vehicle in front of
you. Compared with vehicles without an anti lock
brake system, your vehicle may require a longer
stopping distance in the following cases:
Driving on rough, gravel or snow covered roads.
Driving with tire chains installed.
Driving over the steps such as the joints on the road.
Driving on roads where the road surface is pitted or
has other differences in surface height.
Install all 4 tires of specified size at appropriate
pressure: The anti lock brake system detects vehicle
speeds u sing the speed sensors for respective wheels’
turning speeds. The use of tires other than specified
may fail to detect the accurate turning speed resulting
in a longer stopping distance.“ABS” warning light
1U.S.A.2Canada
The light comes on when the ignition key is turned to the “ON”
position. If the anti−lock brake system and the brake assist
system work properly, the light turns off after a few seconds.
Thereafter, if either of the systems malfunctions, the light
comes on again.
When the “ABS” warning light is on (and the brake system
warning light is off), the anti −lock brake system, the brake
assist system, the traction control system and the vehicle
stability control system do not operate, but the brake system
still operates conventionally.
When the “ABS” warning light is on (and the brake system
warning light is off), the anti−lock brake system does not
operate so that the wheels could lock up during a sudden
braking or braking on slippery road surfaces.
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If either of the following conditions occurs, this indicates
a malfunction somewhere in the components 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 “ON” position, or remains on.
The light comes on while you are driving.
A warning light turning on briefly during operation does not
indicate a problem.
CAUTION
If the “ABS” warning light remains on together with the
brake system warning light, immediately stop your
vehicle at a safe place and contact your Lexus dealer.
In this case, not only the anti lock brake system will fail
but also the vehicle will become extremely unstable
during braking.
Drum in disc type parking brake system
Your vehicle has a drum−in−disc type parking brake system.
This type of brake system needs bedding −down of the brake
shoes periodically or whenever the parking brake shoes and/or
drums are replaced.
Have your Lexus dealer perform the bedding −down.
