I just picked up my car in France from being shipped from the US. I have an AVIC-9DVD Navigation unit that I purchased and installed back home. When I put in the Europe map, it loads the map but I do not get a signal. When I go into the info settings about the GPS signal reception, it says no antenna or no signal or some message of that sort. Don't remember exactly. But the antenna is still there. I am wondering if a nav unit from the US works in Europe, or if I have to change the antenna to get a GPS reception in Europe ??? Thanks for any input