Quote Originally Posted by Neil View Post
@gpstr
Then either your unit is faulty (highly unlikely) or neither of those are the correct file for the 40. I think that series uses a specific file unlike some of the other nuvi range ie 13xx can use high res 3xxx jcv, but yours can't handle it. Maybe a 40/50 owner can enlighten you, sorry.
I think the nuvi 40 is not the problem, as it can show the jcv on the internal map (2012.1). I only have problem with the 2012.4 map. Any 40 owners out there can give me some help?