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.
See also:
Initialization after a power failure
After a power failure, it is only possible to raise
the roof, if necessary.
Have the system initialized by your service center. ...
Front
...
Selecting a station
Press the knob if the sound output is switched off.
1. "Radio"
2. "FM" or "AM"
3. Select the desired station.
The selected station is stored ...