Circuit/System Verification
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Radio ON, press the NAV button to switch to the navigation screen on the radio. Drive the vehicle for at least 15 seconds at greater than 15 mph. Verify that the navigation screen shows that the vehicle is moving.