The recent Garmin express updates help in renewing the crucial data inside GPS. All software updates are released by Garmin quarterly. Moreover, with all the latest updates, your GPS will reduce fuel consumption and the wear and tear of your vehicle. In the Garmin Express update, a map update is also included that offers alteration to roads and locations in the maps in your navigation gadgets. Map files are essential as they contain all detailed information. Update your map through Garmin.com/Express to enhance the efficacy by selecting all eco-friendly roads.