Lexus ES350 Service Manual page 257

Turning off both TRAC and VSC systems
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To turn the TRAC and VSC systems off, press and hold
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.
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: On vehicles with pre-collision system, pre-collision brake assist and pre-collision brak-
ing will also be disabled. The PCS warning light will come on and the message will be
shown on the multi-information display. (P. 183)
When the message is displayed on the multi-information display showing that TRAC
■
has been disabled even if the VSC OFF switch has not been pressed
TRAC cannot be operated. Contact your Lexus dealer.
When the battery is disconnected
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The steering wheel may move from its straight forward position, but this will be corrected
automatically when driving.
Sounds and vibrations caused by the ABS, brake assist, TRAC, VSC and hill-start assist
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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.
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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
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When the steering wheel is operated, a motor sound (whirring sound) may be heard.
This does not indicate a malfunction.
Automatic reactivation of TRAC and VSC systems
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After turing the TRAC and VSC 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 both the TRAC and VSC systems are turned off, automatic re-enabling will not occur
when vehicle speed increases.
ES350_OM_OM33B64U_(U)
4-5. Using the driving support systems
for more than 3 seconds
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I n f o r ma t i o n P r o v i d e d b y :
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