See also:

Switching on/off
Press the button. ...

Bluetooth audio
At a glance ► Music files on external devices such as audio devices or mobile phones can be played back via Bluetooth. Use of a mobile phone as an audio source, refer to page 205. ► ...

Radio
When the same radio source is selected in the front and rear (e.g., FM/AM), the same radio station is played. Operation is the same as for the front radio. ...