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4-5. Using the driving support systems
TACOMA_OM_USA_OM04025U_20MY
n Sounds and vibrations caused by the ABS, Multi Terrain ABS, brake
assist, VSC, TRAC and Trailer Sway Control systems
l A sound may be heard from the engine compartment when the brake pedal
is depressed repeatedly, when the engine is started or just after the vehicle
begins to move. This sound does not indicate that a malfunction has
occurred in any of these systems.
l 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.
n Automatic reactivation of TRAC, VSC and Trailer Sway Control systems
after turning off the engine
Turning off the engine after turning off the TRAC, VSC and Trailer Sway Con-
trol systems will automatically reactivate them.
n Automatic reactivation of TRAC system (AUTO LSD mode)
With AUTO LSD mode, VSC off and “AUTO LSD” indicator lights turn on.
The VSC and TRAC systems will turn on when the vehicle speed increases.
n Automatic reactivation of TRAC, VSC and Trailer Sway Control systems
If the TRAC, VSC and Trailer Sway Control systems are turned off, automatic
reactivation will not occur when vehicle speed increases
n If the brake system overheats
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.)
n When the VSC or TRAC system is turned off by pressing the VSC off
switch
On vehicles with pre-collision system, pre-collision brake assist and pre-colli-
sion braking will also be disabled. The PCS warning light will come on and
the message will be shown on the multi-information display. (→P. 494)
n Operating conditions of hill-start assist control
When the following four conditions are met, the hill-start assist control will
operate:
l The shift lever is in a position other than P or N (when starting off forward/
backward on an upward incline).
l The vehicle is stopped.
l The accelerator pedal is not depressed.
l The parking brake is not engaged.
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