Hi All, This is Mark. I have been working with various Garmin devices. Many users come to me to understand how to perform Garmin map update. It is simple. The update is done through the application Garmin Nuvi. Garmin Nuvi provides all of the necessary information on maps, traffic updates, and intriguing sites. Assume you're going on a hiking or touring trip. If you don't update the Nuvi map when it becomes accessible, you can have an issue. With the support of updated maps, the GPS device easily navigates your routes and ways to your destination. Garmin's gadgets get new upgrades at regular intervals.