See also:

Selecting a channel
You can only listen to enabled channels. The selected channel is stored for the remote control currently in use. Via iDrive1.  "Radio" 2.  "Satellite radio" 3.  ...

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. ...

Incoming call
Receiving calls If the number of the caller is stored in the phone book and is transmitted by the network, the name of the contact is displayed. Otherwise, only the phone number is displayed. ...