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. ...

Pre-collision seat belts (front seats of vehicles with pre-collision system)
If the pre-collision sensor detects that a collision is unavoidable, the pre- collision system will retract the seat belt, thus enhancing the effectiveness of the seat belt pretensioner in a crash ...

Folding down the second seatbacks (without third seats)
Before folding down the second seatbacks Stow the center seat belt buckle with the hook-and-loop fastener and lower the head restraints to the lowest position. Folding down second seatbacks Pul ...