District of Columbia
Latest maps of the Garmin RV 770 are available for download now and can be downloaded by visiting the website or calling the Garmin Customer service helpline number. This GPS device has a screen size of 6.96-inch which makes the viewing quite pleasing to the eyes. Every device also comes with safety features like voice-activated navigation and smart notifications. Garmin RV GPS has built-in Wi-Fi to update without the computer.