Quote Originally Posted by Boki_Srb View Post
Over 4 year member, did not bother to read [Only registered and activated users can see links. ]...

Pay attention to:
If my memory is correct, there were lifetime free updates in this device. Is LMT at the end of the name GARMIN nüvi 3490? If so, you should download and install Garmin Express: [Only registered and activated users can see links. ]
connect the device with the cable from the set to the computer and look for updates. The program is quite clear and legible, prompting the user what and how.