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CAUTION
Do not overestimate the anti±lock brake system:
Although the anti±lock brake system assists in
providing vehicle control, it is still important to drive
with all due care and maintain a moderate speed and
safe distance from the vehicle in front of you, because
there are limits to the vehicle stability and effectiveness
of steering wheel operation even with the anti±lock
brake system on.
If tires grip performance exceeds its capability, or if
hydroplaning occurs during high speed driving in the
rain, the anti±lock brake system does not provide
vehicle control.
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310
Anti±lock brake system is not designed to shorten the
stopping distance: Always drive at the moderate speed
and maintain a safe distance from the vehicle in front of
you. Compared with vehicles not fitted with an
anti±lock brake system, your vehicle may require a
longer stopping distance in the following cases:
Driving on rough, gravel or snow±covered roads.
Driving with tire chains installed.
Driving over the steps such as the joints on the road.
Driving on roads where the road surface is pitted or
has other differences in surface height.
Install all 4 tires of specified size at designated
pressure: The anti±lock brake system detects vehicle
speeds using the speed sensors for respective wheels'
turning speeds. The use of tires other than specified
may fail to detect the accurate turning speed, resulting
in a longer stopping distance.
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311
ªABSº warning light
31E068
The light comes on with the ignition key turned to ªONº.
If the anti±lock brake system and the brake assist
system work properly, the light goes out after a few
seconds. Thereafter, if either of the systems
malfunctions, the light comes on.
When the ªABSº warning light is on (and the brake
system warning light is off), the anti±lock brake system,
the brake assist system, the traction control system
and/or the vehicle skid control system do/does not
operate, but the brake system still operates
conventionally.
When the ªABSº warning light is on (and the brake
system warning light is off), the anti±lock brake system
does
not operate so that the wheels could lock up during
a sudden braking or braking on slippery road surfaces. If the following conditions occur, this indicates a
malfunction somewhere in the parts monitored by
the warning light system. Contact your Lexus
dealer as soon as possible to service the vehicle.
The light does not come on with the ignition key
turned to ªONº, or remains on.
The light comes on while driving.
If the light lit during driving goes out and does not come
on again, it is a normal operation.
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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.
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).
For an explanation of this system's warning light, see
ªABS warning lightº on page 65 and ªVehicle skid control
system warning lightsº on page 65.
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BRAKE PAD WEAR LIMITINDICATORS
31E016
The brake pad wear limit indicators on your disc
brakes give a warning noise when the brake pads
are worn to the extent that replacement is required.
If you hear a squealing or scraping noise while driving,
have the brake pads checked and replaced by your
Lexus dealer as soon as possible. Expensive rotor
damage can result if the pads are not replaced when
needed.TYPES OF TIRES
Determine what kind of tires your vehicle is originally
equipped with.
1. Summer tires
Summer tires are high±speed capability tires best suited
to highway driving under dry conditions.
Since summer tires do not have the same traction
performance as snow tires, summer tires are
inadequate for driving on snow±covered or icy roads.
For driving on snow±covered or icy roads, we
recommend using snow tires. If installing snow tires, be
sure to replace all four tires.
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2. All season tires
All season tires are designed to provide better traction
in snow and to be adequate for driving in most winter
conditions, as well as for use all year round.
All season tires, however, do not have adequate traction
performance compared with snow tires in heavy or loose
snow. Also, all season tires fall short in acceleration and
handling performance compared with summer tires in
highway driving.
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CAUTION
Do not mix summer and all season tires on your
vehicle as this can cause dangerous handling
characteristics, resulting in loss of control.
Do not use tires other than the manufacturer's
designated tires, and never mix tires or wheels of the
sizes different from the originals.
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SECTION 3 ± 2
316
STARTING AND DRIVING
Driving tips
Break±in period317
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation in foreign countries 317
. . . . . . . . . . . . . . . . . .
Tips for driving in various conditions 317
. . . . . . . . . . . . .
Winter driving tips 319
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer towing 321
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to save fuel and make your vehicle
last longer 332
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .