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 port, then press the MEDIA button.

*1:Only AAC format files recorded with iTunes are playable on this unit.
How to Select a Play Mode
How to Select a File from a Folder with the Selector KnobHonda Civic Owners Manual. Synchronized Mode
You can set the temperature synchronously for the driver’s side and the
passenger’s
side in synchronized mode.
1. Press the SYNC button.
The system switches to synchronized mode.
2. Adjust the temperature using the driver’s side temperature control dial.
Press the SYNC button ...