Know where to go when streets change or new restaurants and other businesses open. With nMaps Lifetime, you'll get the most up-to-date maps available - for the life of your individual Garmin GPS. This one-time, single purchase gives you access to the newest map information on streets, highways and points of interest as soon as new content is available. Then, you can download the new data to your device, retrieving up to four updates per year, for the lifetime of one Garmin GPS. It's the most comprehensive update plan you can buy. nMaps Lifetime updates are available for the City Navigator NT street maps on one compatible Garmin device. To use nMaps Lifetime, all you need is your Garmin device, your computer and a USB cable. There are no monthly fees or continuing maintenance costs; you pay only once per Garmin GPS. When you want to update your maps, connect your device to your computer and log into your myGarmin account, where the latest map data is ready to load to your individual device. We're constantly gathering new map data, and a new update is available up to four times per year. Sign up for our email notification, and we'll email you when the newest data is available. nMaps Lifetime map updates may only be installed on one compatible unit. Please purchase additional quantities for additional units.