See also:

After washing the vehicle
After washing the vehicle, apply the brakes briefly to dry them; otherwise, braking action can be reduced and corrosion of the brake discs can occur. ...

Radio
Your radio is designed for reception of the following stations: > FM and AM > HD Radio > Satellite radio ...

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.  ...