when did you but thay and how old is it?the 510 has about 6 different series. if you look on the back it wil say t510 a or t 510 e or something. if its one of the first ones it needs new maps and needs to be updated. that should fix most of your problems. however it isnt 100%.you also need to make sure its not on car mode.i hade the very first one a 510a and it froze up on me.then they sent me a 510e to replace it and i havent had a problem yet with the new one.it is way better and faster than the old one also
rand mcnally tnd 510
Discussion in 'Trucking Electronics, Gadgets and Software Forum' started by ssabetta, Dec 28, 2011.
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