See also:

Menu navigation
The transmission time of the remote control is limited by law. To execute a function again, press or turn the required button again. ...

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...

Setting the language
Press and hold the control button for approx. 12 to 13 seconds. Briefly press the control button again to switch between English "E" and German "O". The setting is stored au ...