See also:

Compatible file formats via the USB socket
The following audio and video files are supported by the system when playing a device connected to the USB socket. ...

Inserting the remote key
Holding the end of the remote key with the base of the key blade, insert the remote key into the ignition slot as shown in the illustration and press it in as far as possible (past the detent) ...

Scroll/search forward and back
Press briefly on (2) to scroll between CD tracks/ audio files or to search for the next available radio station. ...