See also:

The concept
The central locking system becomes active when the driver's door is closed. The system simultaneously engages and releases the locks on the following: ▷ Doors. ▷ Trunk lid. ▷ ...

Distance to back of head: electrical head restraints
The head restraint is automatically repositioned when the shoulder support is adjusted. ...

Adjusting the height
Adjusting the height ▷ To raise: pull. ▷ To lower: press the button, arrow 1, and push the head restraint down. ...