See also:

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 ...

Active head restraints
When the occupant’s lower back presses against the seatback dur- ing a rear-end collision, the head restraint moves slightly forward and upward to help reduce the risk of whiplash on the seat oc ...

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 ...