Condition Cause / Remedy
When the light comes on (a buzzer sounds):
Low tire inflation pressure from flat tire
Immediately stop the vehicle in a safe place and perform the necessa-
ry actions
INFORMATION
■ If the tire pressure warning light comes on
Inspect the tires to check if a tire is punctured.
● If a tire is punctured: → P.706
● If none of the tires are punctured: Turn the power switch off then turn it to ON. Check
if the tire pressure warning light comes on or blinks.
• If the tire pressure warning light blinks for approximately 1 minute then stays on
There may be a malfunction in the tire pressure warning system. Have the vehicle
inspected by any authorized Lexus retailer or Lexus authorized repairer, or any
reliable repairer immediately.
•
If the tire pressure warning light comes on
After the temperature of the tires has lowered sufficiently, check the inflation
pressure of each tire and adjust them to the specified level.
If the warning light does not turn off even after several minutes have elapsed, check
that the inflation pressure of each tire is at the specified level and perform the tire
inflation pressure setting procedure.
If the warning light does not turn off even after several minutes have elapsed since
performing the tire inflation pressure setting procedure, have the vehicle inspected
by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer as soon as possible.
■ The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural air
leaks and tire inflation pressure changes caused by temperature. In this case, adjusting
the tire inflation pressure will turn off the warning light (after a few minutes).
WARNING
■ 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.
9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter
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