See also:

Possible commands
Most menu items on the Control Display can be voiced as commands. The available commands depend on which menu is currently displayed on the Control Display. There are short commands for function ...

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

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telepho ...