Lexus IS300H 2017 Manual page 580

580
8-2. Steps to take in an emergency
WARNING
If both the ABS and the brake system warning lights remain on
■
Stop your vehicle in a safe place immediately and contact any authorized Lexus retailer
or Lexus authorized repairer, or any reliable repairer. The vehicle 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.
When steering wheel operations are heavier than usual, grip the steering wheel firmly
and operate it 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.
Vehicles with an emergency tire puncture repair kit

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, repair the
flat tire by using emergency tire puncture repair kit.
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
●
control of the steering wheel or the brakes.
Vehicles with run-flat tires

Decelerate to the lowest appropriate speed as soon as possible. Do not drive over 60
●
km/h (37 mph).
Check and 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. Have the tire replaced by the nearest
authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
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.
NOTICE
To ensure the tire pressure warning system operates properly
■
Do not install tires with different specifications or makers, as the tire pressure warning
system may not operate properly.