Toyota 2012 Avalon Owner's Manual page 191

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When the "TRAC OFF" indicator light or "TRC OFF" indicator light
comes on even if the VSC OFF switch has not been pressed TRAC or
TRC cannot be operated. Contact your Toyota dealer.
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Automatic reactivation of TRAC/TRC and VSC
Vehicles with smart key system
Turning the "ENGINE START STOP" switch off after turning off the
TRAC/TRC and VSC will automatically re-enable them.
Vehicles without smart key system
Turning the engine switch to the "LOCK" position after turning off the
TRAC/TRC and VSC will automatically re-enable them.
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Automatic TRAC/TRC reactivation
If only the TRAC/TRC is turned off, the TRAC/TRC will turn on when vehicle
speed increases.
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Automatic TRAC/TRC and VSC reactivation
If the TRAC/TRC and VSC are turned off, the systems will not turn on even
when vehicle speed increases.
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Sounds and vibrations caused by the ABS, brake assist, VSC and
TRAC/TRC
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A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound does not indi-
cate that a malfunction has occurred in any of these systems.
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Any of the following conditions may occur when the above systems are
operating. 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 is activated.
• The brake pedal may move down slightly after the ABS is activated.
I n f o r ma t i o n P r o v i d e d b y :
2-4. Using other driving systems
2
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