2013 Lexus ES 350 Owners Manual - Page 277

ES350 300h_OM_OM33A01U_(U)

4-5. Using the driving support systems

4

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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 and hill-start assist control (hybrid vehicles) cannot be operated. Contact

your Lexus dealer.

■

When the 12-volt battery is disconnected

The steering wheel may move from its straight forward position, but this will be cor-

rected automatically when driving.

■

Sounds and vibrations caused by the ABS, brake assist, VSC and TRAC systems

●

A sound may be heard from the engine compartment when the brake pedal is

depressed repeatedly, when the engine <hybrid system> 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.

●

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. (gasoline vehi-

cles)

°

The brake pedal may move down slightly after the ABS is activated. (gasoline

vehicles)

■

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 and VSC systems

After turing the TRAC and VSC systems off, the systems will be automatically reacti-

vated in the following situations:

●

When the “START STOP ENGINE” <“POWER”> 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 reactivation will not

occur when vehicle speed increases.