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" Slip indicator light
Leave the system on during the ordinary driving so that it
can operate when needed.
You may hear a sound in the engine compartment for a few
seconds when the engine is started or just after the vehicle
begins to move. This means that the active traction control
system is in the self check mode, but does not indicate a
malfunction.
When the active traction control system is operating, the
following conditions occur:
D The system controls the spinning of the 4 wheels. At this
time, the slip indicator light blinks.
D 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.
The brake actuator temperature increase during continuous
operation of the following systems.
D Active traction control system
D Vehicle stability control system
D Downhill assist control system
D Hill start assist control
If the brake actuator temperature becomes too high while any
of the systems is operating, a buzzer will start to sound
intermittently to indicate that the active traction control system
can no longer operate. In this case, immediately stop your
vehicle at a safe place.
If the system continues to operate, the buzzer sound changes
from intermittent to continuous.
sounds for about 3 seconds.) At the time, the slip indicator light
will come on and the active traction control system temporarily
stops operating in order to protect the brake actuator.
(Although the active traction control system does not operate,
there is no problem to continue your driving.) The system will
be automatically restored after a short time and the slip
indicator light goes out.
I n f o r ma t i o n P r o v i d e d b y :
STARTING AND DRIVING
(The continuous buzzer
373
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