See also:

If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, this does not necessarily indicate a malfunction in the sy ...

If the vehicle 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the vehicle’s 12-volt battery is discharged. You can also call your Lexus dealer or a qualified repair shop. If you have a set o ...

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