See also:

Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...

Selecting a Station
Seek Tuning (Radio with CD) If the radio station is not known: Briefly press SEEK or SEEK to automatically search for the next available station. If a station is not found, the radio switches ...

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 ...