Lexus LS460 User Manual page 805

804
7-2. Steps to take in an emergency
The tire pressure warning light may come on due to natural causes
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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).
When a tire is replaced with a spare tire
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The spare tire is also equipped with a tire pressure warning valve and transmitter. The
tire pressure warning light will turn on if the tire inflation pressure of the spare tire is
low. 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
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P. 764
If the tire pressure warning light frequently comes on after blinking for 1 minute
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If the tire pressure warning light frequently comes on after blinking for 1 minute when
the engine switch is turned to IGNITION ON mode, have it checked by your Lexus
dealer.
Warning buzzer
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In some cases, the buzzer may not be heard due to ambient noise or sounds from the
audio system.
Customization
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The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 872)
LS460/LS460L_U (OM50D48U)