See also:

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" 3 ...

Activating HDC
Press the button; the LED above the button lights up. ...

Filtering traffic bulletins
You can set which traffic bulletins appear on the map. 1. "Navigation" 2. "Map" 3. Open "Options". 4. "Traffic Info categories" 5. Select the desired cat ...