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. ...

Head restraints
Head restraints are provided for all seats. ► Front seats Vertical adjustment 1 Up 2 Down Push the head restraint up or down while pressing the lock release button. Angle adjustment ...

Armrest
Fold down the armrest for use. NOTICE  - To prevent damage to the armrest Do not apply too much load on the armrest. ...