The Global Positioning System (GPS) is a Global Navigation Satellite System (GNSS) developed by the United States Department of Defense. It is the only fully functional GNSS in the world.

In order to help people making the driving experience more entertaining and productive, RoadMentor, an all-in-one “plug and play ” navigation system with high-resolution screen, high-fidelity sound, and modern outlook, is an easy-to-use friendly design that enables users to navigate with accurate moving map display, dynamic route calculation, voice output engine, humanized interfaces, and updated databases.