Toyota 4runner 2009 User Manual page 194

2-4. Using other driving systems
Sounds and vibrations caused by the ABS, TRAC, A-TRAC, VSC and
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brake assist system
A sound may be heard from the engine compartment when the engine is
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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.
Any of the following conditions may occur when the above systems are
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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.
If the brake system overheats
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TRAC will cease operation and a buzzer will sound to alert the driver. Stop
the vehicle in a safe place. (There is no problem with continuing normal driv-
ing.)
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