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4-5. Using the driving support systems
4
Driving
RX350_U_OM48E90U
■ Turning off TRAC, VSC and Trailer Sway Control systems
To turn the TRAC, VSC and Trailer Sway Control systems off, press and hold for
more than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on and the “Traction Control Turned Off” will be
shown on the multi-information display.
*
Press again to turn the systems back on.
*: On vehicles with PCS (Pre-Collision System), pre-collision brake assist and pre-
collision braking will also be disabled. (P. 282)
■ When the message is displayed on the multi-information display showing that TRAC
has been disabled even if has not been pressed
TRAC and hill-start assist control cannot be operated. Contact your Lexus dealer.
■ Sounds and vibrations caused by the ABS, brake assist, TRAC, VSC, Trailer Sway Con-
trol and hill-start assist control systems
● 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 sys-
tems.
● 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.
■ EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be heard.
This does not indicate a malfunction.
■ Automatic reactivation of TRAC, VSC and Trailer Sway Control systems
After turning the TRAC, VSC and Trailer Sway Control systems off, the systems will be
automatically re-enabled in the following situations:
● When the engine switch is turned off
● If only the TRAC system is turned off, the TRAC will turn on when vehicle speed
increases
If the TRAC, VSC and Trailer Sway Control systems are turned off, automatic re-
enabling will not occur when vehicle speed increases.
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