See also:

Lumbar support
The curvature of the seat backrest can be adjusted in such a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture. Press the ...

Setting
Pull the switch. The LED lights up. The indicator lamp lights up in red. The parking brake is set. Lower lamp: indicator lamp in Canadian models Set the parking brake and further secur ...

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...