See also:

Seat belts
Make sure that all occupants are wearing their seat belts before driving the vehicle.  - Correct use of the seat belts 1. Extend the shoulder belt so that it comes fully over the shoulder, ...

Vehicle exterior
CAUTION  - If the engine is running Turn off the engine and ensure that there is adequate ventilation before performing maintenance checks. ...

Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the multi-informa- tion display. Failure to investigate the cause of the following warnings may lead to the system operating abnormally and possib ...