TOYOTA 2012 Avalon - Manual (Page 464)

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5-2. Steps to take in an emergency
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If the malfunction indicator lamp comes on while driving
First check the following:
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Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
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Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
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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 sensor assemblies
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The driver’s seat position sensor
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Driver’s seat belt buckle switch
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The front passenger occupant classification ECU
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The pressure sensor
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The belt tension sensor
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“AIR BAG ON” and “AIR BAG OFF” indicator lights
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Front passenger’s seat belt buckle switch
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The inflators
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The warning light
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The interconnecting wiring and power sources
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Front passenger detection sensor and passenger seat belt reminder
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash, even if a passenger is not
sitting in the seat.