Reactivation Of The Trac Or Active Trac/Vsc/Trailer Sway Control Systems After Turning Off The Engine; Reactivation Of The Trac Or Active Trac System Linked To Vehicle Speed; When The Brake System Operates Continuously - Lexus GX 460 User Manual

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4-5. Using the driving support systems
Sounds and vibrations caused by the ABS/Multi Terrain ABS, brake assist, TRAC/
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Active TRAC, VSC/Trailer Sway Control and hill-start assist control systems
A sound may be heard from the engine compartment when the engine is started or just
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after the vehicle begins to move. This sound does not indicate that a malfunction has
occurred in any of these systems.
Any of the following conditions may occur when the above systems are operating.
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None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS/Multi Terrain ABS is activated.
• The brake pedal may move down slightly after the ABS/Multi Terrain ABS is acti-
vated.
Reactivation of the TRAC or Active TRAC/VSC/Trailer Sway Control systems after
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turning off the engine
Turning off the engine after turning off the TRAC or Active TRAC/VSC/Trailer Sway
Control systems will automatically re-enabled them.

Reactivation of the TRAC or Active TRAC system linked to vehicle speed

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When only the TRAC or Active TRAC system is turned off, the TRAC or Active TRAC
system will turn on when vehicle speed increases. However, when both TRAC or Active
TRAC and VSC/Trailer Sway Control systems are turned off, the systems will not turn on
even when vehicle speed increases.

When the brake system operates continuously

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The brake actuator may overheat. In this case, the TRAC or Active TRAC and hill-start
assist control systems will stop operating, a buzzer will sound and the "TRAC OFF" will
be shown on the multi-information display. Refrain from using the system until the mes-
sage goes off. (There is no problem with continuing normal driving.)
If the slip indicator comes on...
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It may indicate a malfunction in the TRAC/Active TRAC, VSC/Trailer Sway Control or
hill-start assist control system. Consult your Lexus dealer.
GX460_OM_OM60L72U_(U)
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