yes and yes and yes to all your questions....
thanks for the answers.
i read that the D3 runs the navi off a disc? so in order to use navi disc must be in?
BUT the ipod works correct? (while navi disc in)
ALSO... does it have AVI usb support if i want to plug in my usb flash drive with avi movies on it.
lets see...yes the d3 runs off a disc, however, it loads the route/destination that you need, and then you can remove it, so it doesn't have to be technically in.
i believe the ipod should work while the disc is in, i don't see why not, but double check that with some