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Rear passengers' seat belt warning buzzer
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The rear passengers' seat belt warning buzzer sounds to alert the rear passenger that his or
her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds intermittently
for a certain period of time, after the seat belt is fastened and unfastened and the vehicle
reaches a certain speed.
Tire pressure warning light (warning buzzer)
Condition
When the light comes on after blinking for approximately 1 minute:
Malfunction in the tire pressure warning system
Have the system checked by your Lexus dealer.
When the light comes on:
Low tire inflation pressure from natural causes
After the temperature of the tires has lowered sufficiently, check
the inflation pressure of each tire and adjust them to the specified
level.
When the light comes on:
Low tire inflation pressure from flat tire
Immediately stop the vehicle in a safe place and perform the nec-
essary actions (P.477)
If the tire pressure warning light comes on
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Inspect the tires to check if a tire is punctured.
If a tire is punctured: P.512
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If none of the tires are punctured: Turn the power switch off then turn it to ON. Check if
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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 your Lexus dealer 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. (P.449)
If the warning light does not turn off even after several minutes have elapsed since perform-
ing the tire inflation pressure setting procedure, have the vehicle inspected by your Lexus
dealer immediately.
9-2. If a warning is indicated on the meter
Cause / Remedy
477
9
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