Route Guidance
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
The map will display the route to the selected destination. Voice prompts alert the operator of upcoming events, turns and arrivals at the destination. The navigation system will automatically recalculate if the route is not followed. The navigation radio uses data received from the GPS satellites as well as the vehicle speed signal to accurately display the current position of the vehicle. The map data must be in the NAV radio for route guidance.