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 you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other keys and the key number stamped on your key number plate. ...

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