Suspension Control; Steering Control (If Equipped); Driver Monitor System (If Equipped) - Lexus GS450h Owner's Manual

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4-5. Using the driving support systems

Suspension control

When the system determines that there is a high possibility of a frontal

collision, the operation of AVS (P. 285) optimally controls the damp-

ing force of the shock absorber.

Vehicles with VGRS

There is a high possibility of collision and if the steering wheel is oper-

ated, the steering gear ratio is changed by VGRS to help improve the

response to steering input.

Vehicles with LDH

There is a high possibility of collision and if the steering wheel is oper-

ated, the steering angles of the front and rear wheels and the heaviness

of the steering wheel are controlled by LDH, thus heightening respon-

siveness in response to the steering operation.

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,

PCS 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.

GS450h_OM_OM30E26U_(U)