Garmin Nuvi 660 GPS Receiver "ubs source" Questions

source, then press and hold the lower right corner of the screen, while holding the lower right corner, switch the power to the on position. once you see the message "do you really want to delete your

...showing that it is connected to an external power source and that it is charging. - Jim My Nuvi 350 shuts down when i plug into lighter socket or ubs to computer. it is ok running on just the