As a skilled troubleshooting professional, I proficiently help the Garmin users if they want to update Garmin map. However, for those users who want to update the Garmin map, I recommend to implement the following instructions. First of all, you need to connect your device to your computer system and then download the Garmin Express. After that, you should navigate to the update and find the maps if available. Here, you can easily update the available Garmin maps successfully in no time. Apart from that, if you come across any mishaps, you should take help by approaching me at any time.