See also:

Activating a list and creating the setting
Press a button on the right side of the steering wheel or turn the thumbwheel to activate the required list. Create the setting using the thumbwheel. ...

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. ...

Operation
Adjusting the volume Turn the knob until the desired volume is reached. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphon ...