See also:

SRS airbag system components
1. Front passenger occupant classification system (ECU and sensors) 2. Knee airbag 3. Curtain shield airbag 4. Front passenger airbag 5. “AIR BAG ON” and “AIR BAG OFF” indicator lights ...

Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your Lexus dealer immediately. ...

Driver monitor sensor (if equipped)
The driver monitor sensor detects the direction the driver is facing. The system determines whether the driver is facing forward. The pre-collision system is operational when • Pre-collision se ...