See also:

Playing music
Music search All tracks for which additional information has been stored can be accessed by the music search. Tracks without additional information can be called up via the corresponding album. ...

Closing the windows and glass sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

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. ...