I am traveler and often plan for many tours to visit the best tourist places of the world. I am using Garmin GPS unit for tracking the right and desired tourist destinations. I know that GPS unit is extremely helpful as it provides the easiness to me, while traveling. Without wasting time, this GPS unit can be helpful to find out the right path. I am using this unit on a regular basis, so it is very necessary to update the Garmin GPS unit as the routes, locations, and streets change regularly. I don’t have full skills on how to update Garmin GPS unit? Can anyone help me to update Garmin GPS unit?