See also:

Special Application Services
. Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. - Have underbody flushing service performed once a year. ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...

Limit Features While Driving
The navigation system may have this feature. Touch the Limit Features While Driving screen button to turn the ability to limit functions on and off while driving. When this screen button is highli ...