Garmin devices can be updated through Garmin Express but we need to register every Garmin device with Garmin Express. If your device is not registered with Garmin Express, no alert about any update take place. Download Garmin Express to your computer and sign in with Garmin account. If you don’t have account then create a new account and get into Garmin Express. Or you can get into through Garmin.com/login.
Garmin map update can be access with the help of Garmin Express. Notifications or alerts will take place if your device requires any update. In-built maps of Garmin devices need to update within certain time interval. This update can be done through Garmin Express only. Download and login to Garmin Express and keep your devices updated if required.