See also:

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. ...

The concept
This system issues a warning at speeds above approx. 40 mph/65 km/h if the vehicle is about to leave the lane on roads with lane markings. The steering wheel begins vibrating gently. The time o ...

Adjusting the height: electrical head restraints
Adjusting the height: electrical head restraints Adjusting electrically. ...