Lexus LS460 User Manual page 313

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Pre-collision braking

When there is a high possibility of a frontal collision, the system warns

the driver using a warning light, warning display and buzzer. If the sys-

tem determines that a collision is unavoidable, the brakes are automati-

cally applied to help avoid a collision or to reduce the collision speed.

When the vehicle is being stopped by pre-collision braking, the brake

will be engaged for a maximum of 2 seconds and then released auto-

matically. This pre-collision braking can be canceled by depressing the

accelerator pedal or brake pedal.

Pre-collision braking can be disabled using the pre-collision braking off switch.

Suspension control

When there is a high possibility of a frontal collision, the operation of

suspension control helps prevent the front of the vehicle from dropping

when the brakes are applied suddenly.

Steering gear control (VGRS) (vehicles with camera sensors)

When the system determines that a collision is unavoidable, the steer-

ing gear ratio is changed to help improve the response to steering

Driver monitor system (if equipped)

When the system determines that there is a possibility of a collision, and

either the driver is not facing forward or the driver' s eyes are closed,

pre-collision warnings are given in advance to warn the driver. If the

system determines that the conditions to operate pre-collision alert

braking have been met even when the possibility of a collision increases

further, pre-collision alert braking will operate.

Pre-collision alert braking can be disabled using the pre-collision braking off

LS460/LS460L_U (OM50D48U)

4-5. Using the driving support systems