See also:

Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. ...

Rear Climate Control System
For vehicles with the rear heat and air conditioning controls, they are integrated with the rear seat audio controls located in the center console. Rear Climate Control with Rear Seat Audio C ...

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 ...