See also:

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

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...