williamsdp207g

Does anyone know where I can download maps for the US and Canada for the F series? I have and F-900BT that I just puchased second hand and it still has the origininal maps. Any help would be greatly appreciated.

I would also like to thank all of teh people who have posted fixes on this topic. I bought a used avic-F900BT this weekend and I had NO idea what was getting myself into. The guy connected teh unit to a batter so I could see that it would turn on, read discs, etc. I got the unit home and installed it in my truck and played around with getting it setup and everything worked great. I went out for my first test drive and the unit immediately started to reboot constantly. I would work long enough to change the radio channel and would reboot again. I thought i had a connection problem at firs