When I first installed my F700-BT it worked perfectly. I did the hardware mod so i can watch video while in motion and that worked fine as well. At first when I started my car and the AVIC started up my SD card and USB would automatically appear in my AV Sources menu, but now i have to unplug them and plug them back in. Its getting to be a pain. Does anyone know how to fix this, as far as i know i didnt change any settings that should affect this. thanks in advance!

I'm using a 16gb staples brand usb stick and am having the same issues as the OP. With the stick plugged in I can turn on the unit and it will not recognize usb as a source until I unplug and then plug in the stick. This is fairly annoying, but is it normal? Is there any way to fix this?