2012 Lexus GX 460 Owners Manual - Page 330

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2-4. Using other driving systems

2

GX460_U.S.A. (OM60J00U)

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Operating tips

The system will operate when the shift lever is in a position other than P, however to

make effective use of the system it is recommended that the shift lever be shifted to

2 or 1 range of S mode.

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If the four-wheel drive control switch is in H4

The system does not operate.

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When the downhill assist control system is operated continuously

This may cause the brake actuator to overheat. In this case, the downhill assist con-

trol system will stop operating, a buzzer will sound and the DAC indicator will start

flashing, and the TRAC OFF will be shown on the multi-information display. Refrain

from using the system until the DAC indicator stays on and the message goes off.

(The vehicle can be driven normally during this time.)

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Sounds and vibrations caused by the DAC

●

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

started or just after the vehicle begins to move. This sound does not indicate that

a malfunction has occurred in DAC.

●

Either of the following conditions may occur when the DAC is operating. None

of these are indicators 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.

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System malfunction

●

The DAC indicator does not come on when the “ENGINE START STOP”

switch is turned to IGNITION ON mode.

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The “DAC” indicator does not come on when the “DAC” switch is pressed.

●

The slip indicator comes on.

In the above cases, have your vehicle checked by your Lexus dealer.