See also:

Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stabil ...

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 v ...

Vehicle Reminder Messages
ICE POSSIBLE DRIVE WITH CARE This message is displayed when ice conditions are possible. TURN WIPER CONTROL TO INTERMITTENT FIRST This message is displayed when attempting to adjust the inter ...