How come when I try to upgrade my maps, it comes up with "registered to another person"? I knew this was going to be a problem when I thought I bought a new unit from TigerDirect and it said it was refurbished when I got it. And now Garmin replied that they couldn't contact the previous owner, refunded my money and more or less said I was screwed! Now, how does TigerDirect get away selling used equipment as new, and why doesn't Garmin clear the previous customer when refurbished. Good questions for the BBB. read full review »