Simply copy the supplied file into a garmin folder on a 2GB SD card and insert into your unit.
• Updated, fully routable, detailed maps for the U.S., Canada, Puerto Rico, Cayman Islands and the Bahamas
• With over 500,000 additional miles of road coverage
• Nearly 6 million updated points of interest, including gas stations, parking garages, restaurants, hotels and ATM locations
• Postal code support for Canada
This is the lastest Garmin North America Map NT - 2011.32 Unlocked for GPSunderground.com