Lexus LX 570 2009, Manual

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5-2. Steps to take in an emergency
LX570_U (OM60D99U)
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SRS warning light
This warning light system monitors the following:
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The airbag sensor assembly
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Front airbag sensors
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The curtain shield airbag sensors
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The side and curtain shield airbag sensors
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The seat belt buckle switches
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The driver’s seat position sensor
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The inflators
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The interconnecting wiring and power sources
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The front passenger occupant classification ECU
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“AIR BAG ON” and “AIR BAG OFF” indicator lights
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The seatbelt pretensioners
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The roll sensing of curtain shield airbags off indicator light
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Changing the engine oil
Make sure to reset oil change system
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When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch does not turn off the tire pressure warning light.
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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 or tire inflation pressure changes caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light (after a few min-
utes).
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When a tire is replaced with a spare tire
The spare tire is also equipped with the 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, even though the flat tire is replaced with the spare tire,
the tire pressure warning light does not turn off. Replace the spare tire with the
repaired tire and adjust the proper tire inflation pressure. The tire pressure warning
light will turn off after a few minutes.