I just purchased the avic d3 about 3 weeks ago. It's in mint condition! Everything works great but I haven't really used the navigation so I decided to test it out by going to "my home" I made sure that my starting point was correct. About 4 miles down the road, it started showing that I wasn't even driving on the road? It was telling me to turn to streets that werent even there. Some of the streets it told me to turn to did not have the same name. When i finally got home, it said i was about 2 miles off from my actual location. When I tried to modify my location again, i actually found the ri