Lexus GX470 2006 Service Manual page 195

OCCUPANT RESTRAINT SYSTEMS
The "AIRBAG ON" and "AIRBAG OFF" indicator light will
be initially illuminated when the ignition switch is turned
to the "ON" position. It will remain for about four seconds
and then go off. After about two seconds, the front
passenger occupant classification system operates and
judges whether to turn the indicator light on or not.
The SRS warning light and "AIRBAG OFF" indicator light
will be illuminated if there is a malfunction in the front
passenger occupant classification system.
I n f o r ma t i o n P r o v i d e d b y :
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