Route Guidance
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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 DVD must be in the NAV radio for route guidance.