I understand that the base map be basically useless , and that I would be look at additional cost to load additional material to fully utilize the device . what I be not prepare for be the insane difficulty there would be 1 -rrb- install and 2 -rrb- unlock the map . the unlock wizard and online tool `` develop '' be misleading , lumbering , counterintuitive , archaic , and almost completely useless . the window base unlock tool do not recognize my online user id , although it be create and use multiple time during the installation process , the MapSource software recognize my unlock key but say the map be not install , my gp unit say the map be find but can not be unlock , online tool say they be install and unlock ... I be wipe out and reinstall x3 !! I have be go around in circle for 5 + hour and still no success .