Ram Trucks MEDIA CENTER 430N for Jeep - Manual (Page 51)

The copy process is shown on the display. It is possible to
listen to radio modes during this process.
If you unplug or eject the media before the copying
process is finished, the process will be interrupted. You
may restart the copying process by repeating the steps
above.
Copying from USB
1. Insert a USB device.
2. Select My Music.
50 MEDIA CENTER 430/430N (RBZ/RHB)