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.  ...

Mobile communication devices in the vehicle
Mobile communication devices in the vehicle It is advised that you do not use mobile communication devices, e.g., mobile phones, inside the vehicle without connecting them directly to the ex ...

Releasing
Raise lever slightly, press the button and guide the lever down. ...