See also:

Charging the Battery
Disconnect both battery cables to prevent damaging your vehicle’s electrical system. Always disconnect the negative (–) cable first, and reconnect it last. ...

Operating the System
If you do not operate the    system from the front panel for more than 20 seconds, the indicator in the button goes off, and the front display returns to what has previously been displayed ...

Playing a USB Flash Drive
Your audio system reads and plays sound files on a USB flash drive in either MP3, WMA, or AAC*1 format. Connect your USB flash drive to the USB adapter cable, then select the USB mode. You ca ...