Garmin RV 780 is one of the best RV GPS which has got dedicated routes and RV parking spaces. This GPS device is built for the camping lover with a high-resolution 6.95” screen size. You will also get the custom routing feature according to the size and weight of the device. Every user will get road warnings about sharp curves, weight limits, steep grades and much more. When you’re planning to update the map and finding it difficult then you can contact the Garmin customer service for help.