Srs Warning Light; If The Malfunction Indicator Lamp Comes On While Driving - Lexus LX 570 2016 Service Manual

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7-2. Steps to take in an emergency

SRS warning light

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This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (rear), side impact sensors (front door), safing sensor (rear), driver' s seat
belt buckle switch, driver' s seat position sensor, front passenger' s seat belt buckle switch,
airbags, interconnecting wiring and power sources, front passenger occupant classifica-
tion system, "AIR BAG ON" and "AIR BAG OFF" indicator lights, seat belt pretensioners
and force limiters, "RSCA OFF" indicator light. (P. 38)
Front passenger detection sensor, seat belt reminder and warning buzzer
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If luggage is placed on the front passenger seat, the front passenger detection sensor
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may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger, and the warn-
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ing light may not operate properly.

If the malfunction indicator lamp comes on while driving

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First check the following:
Is the fuel tank empty?
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If it is, fill the fuel tank immediately.
Is the fuel tank cap loose?
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If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon as
possible.
If the low speed four-wheel drive indicator light or the center differential lock indicator
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light blinks
Take the specified steps. (P. 307)
If the brake system warning light or the malfunction indicator light also comes on, or the
low speed four-wheel drive indicator light or the center differential lock indicator light
continues to blink after taking the specified steps, there may be a malfunction in the
engine, the brake system or the four-wheel drive system. In this case, you may not be able
to transfer between "H4" and "L4" modes, and the center differential lock may not be
able to be locked or unlocked. Have the vehicle inspected by your Lexus dealer, immedi-
ately.
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