Keep your 405 fresh with software updates. Garmin Connect makes it easy by letting you know when new softwares available. More information available at: http://connect.garmin.com/
Garmin Express is the easiest way to keep your devices up-to-date. Learn how to download product manuals, install software updates, current maps, and more.
Garmin Express: https://www.garmin.com/en-US/software/express