Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
What to do if...
The current transmission position cannot be
displayed?
The vehicle is located in an unrecognized
region, is in a poor reception area, or the
system is currently determining the position. ...
Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...
Multi-channel playback,
surround
Choose between stereo and multi-channel playback,
surround.
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
...