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7-2. Steps to take in an emergency
When a tire is replaced with a spare tire
■
The compact spare tire is not equipped with a tire pressure warning valve and transmit-
ter. If a tire goes flat, the tire pressure warning light will not turn off even though the flat
tire has been replaced with the spare tire.
Conditions that the tire pressure warning system may not function properly
■
P. 366
If the tire pressure warning light frequently comes on after blinking for 1 minute
■
If the tire pressure warning light frequently comes on after blinking for 1 minute when the
power switch is turned to ON mode, have it checked by your Lexus dealer.
Warning buzzer
■
In some cases, the buzzer may not be heard because of noisy place or an audio sound.
Customization
■
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features: P. 491)
WARNING
If both the ABS and the brake system warning lights remain on
■
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The vehi-
cle will become extremely unstable during braking, and the ABS system may fail, which
could cause an accident resulting in death or serious injury.
When the electric power steering system warning light comes on
■
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold firmly and oper-
ate using more force than usual.
If the tire pressure warning light comes on
■
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
●
immediately.
If the tire pressure warning light comes on even after tire inflation pressure adjust-
●
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change it
with the spare tire and have the flat tire repaired by the nearest Lexus dealer.
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
●
control of the steering wheel or the brakes.
If a blowout or sudden air leakage should occur
■
The tire pressure warning system may not activate immediately.
GS450h_OM_OM30E99U_(U)
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