Hi, hope somebody can help me with this, i have a nuvi 465t with life time traffic or at least it did have, hasn't be working properly for weeks, says the aerial isn't in when it is, when it did work once it said there were only two hold ups in the whole of the UK on a Friday night, yer right, and generally worked when it wanted. now the traffic icon has vanished, i touch on tools then on settings and where the icon used to be is nothing! what's happend? any ideas please.