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Brake assist system
When you slam the brakes on, the brake assist system
judges as an emergency stop and provides more powerful
braking for a driver who cannot hold down the brake pedal
firmly.
When you slam the brakes on, more powerful braking will be
applied. At this time, you may hear a sound in the engine
compartment and feel the vibrations of the brake pedal. This
does not indicate a malfunction.
The brake assist system becomes operative after the vehicle
has accelerated to a speed in excess of approximately 10 km/h
(6 mph). It stops operating when the vehicle decelerates to a
speed below approximately 5 km/h (3 mph).
The brake assist system may not work for about 60 seconds
after the engine is started.
For an explanation of this system's warning light, see "ABS
warning light" on page 57.
Drum in disc type parking brake system
Your vehicle has a drum in disc type parking brake system.
This type of brake system needs bedding down of the brake
shoes periodically or whenever the parking brake shoes and/or
drums are replaced.
Have your Lexus dealer perform the bedding down.
TIRE PRESSURE WARNING
The tire pressure warning system is designed to provide
warning when tire inflation pressure of one or more of
your tires (including the spare tire) is low. The low tire
pressure warning light comes on to inform you that low
tire inflation pressure may hamper driving.
" Low tire pressure warning light
This light comes on when the ignition key is turned to the "ON"
position. It goes off after a few seconds. This indicates that the
tire pressure warning system is functioning properly.
I n f o r ma t i o n P r o v i d e d b y :
STARTING AND DRIVING
SYSTEM
387
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