Malfunction
HDC is temporarily unavailable in the following situations due to a high brake temperature:
▷ The LED in the button and the display HDC
go out during HDC operation.
▷ The LED in the button and the HDC display
do not light up when the button is pressed.
See also:
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
Saving a function
1. Highlight the function via the iDrive.
2.
Press the desired button for more
than 2 seconds. ...
Multi-channel playback,
surround
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Surround"
Surround
When surround is activate ...