See also:

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. ...

Voice command system
The voice command system enables you to operate the navigation system, audio/ video system, air conditioning system and hands−free system by giving a command. 1. Push the talk switch. Aft ...

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, ...