• Make sure that JBL DRG is connected via Bluetooth with your smartphone and the JBL DRG” app has been launched. • Search a FM frequency band with your head unit. (an unrestricted frequency would be one that is not occupied by a radio station). • Select “FM” in “Connection Mode” on the JBL DRG App and key in the FM unrestricted frequency you have selected in the right window, JBL DRG will then transfer audio to your head unit and play through your vehicle’s audio system.