See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telephone ...

Sound output via speakers
In addition to the headphones, you can also play the sound via the vehicle speakers. 1. "CD/Multimedia" 2. "External devices" 3. "AUX rear" 4. "Volume" 5 ...

Activating/deactivating via iDrive
1. "Settings" 2. "Lighting" 3. "High beam assistant" High beam assistant The setting is stored for the remote control currently in use. ...