See also:

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...

Selecting a station manually
Station selection via the frequency. 1. "Radio" 2. "FM" or "AM" 3. "Manual" 4. To select the frequency: turn the controller. To store the station: press ...