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Lexus 2004 LS430 - Pre-Collision Brake Assist System; Pre-Collision Seat Belts (Front Seat Belts Only)

Lexus 2004 LS430
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STARTING AND DRIVING
373
Pre-collision seat belts (Front seat belts only)
When the pre- collision sensor detects an object or
vehicle with which your vehicle might collide and
determines that a collision may be unavoidable, the seat
belts are quickly drawn back by the retractors to enhance
the effects of the seat belt pretensioners. The
pre- collision seat belts also work as well when hard
braking.
The pre- collision seat belts will operate in the following
conditions:
D When the ignition switch is turned on.
D When the vehicle speed is about 5 km/h (3 mph) or over.
D When the approaching speed in regard to the object or the
vehicle exceeds about 30 km/h (18 mph).
D When the front seat occupants wear the seat belts.
Pre-collision brake assist system
When the pre- collision sensor detects an object or
vehicle with which your vehicle might collide, and
determines that a collision may be unavoidable,
depressing the brake pedal provides more powerful
braking according to the amount of pedal depression.
The pre- collision brake assist system will operate in the
following conditions:
D When the ignition switch is turned on.
D When the approaching speed in regard to the object or the
vehicle exceeds about 30 km/h (18 mph).
D When the brake pedal is depressed.
If the brake pedal is kept depressed before the sensor’s
determination of unavoidable collision, the pre-collision brake
assist system will operate soon after the sensor’s
determination.

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