When The Rear Differential Is Locked; Sounds And Vibrations Caused By The Active Traction Control System; If The Brake System Overheats; The Active Traction Control System May Not Operate Effectively When - Toyota Tacoma 2013 Owner's Manual

When the rear differential is locked (vehicles with the rear differential
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lock system)
The active traction control system is activated only when the vehicle speed
is less than 3 mph (6 km/h).

Sounds and vibrations caused by the active traction control system

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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 the system.
Vibrations may be felt through the vehicle body and steering. It may
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occur when the system is operating.

If the brake system overheats

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The system will cease operation, a buzzer will sound and A-TRAC indicator
blink to alert the driver. Stop the vehicle in a safe place. (There is no problem
with continuing normal driving.)
The system will be automatically restored after a short time.
CAUTION

The active traction control system may not operate effectively when

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Directional control and power may not be achievable while driving on slip-
pery road surfaces, even if the active traction control system is operating.
Do not drive the vehicle in conditions where stability and power may be lost.
2-4. Using other driving systems
2
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