See also:

Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size. (A) Passenger (P—Metric) Tire: The United States version of a metric tire sizing system. The letter P as ...

Door Locks
WARNING Unlocked doors can be dangerous. Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. T ...

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 ...