See also:

Ignition Positions (Keyless Access)
The ignition control knob can be turned to four different positions. To shift out of P (Park), the ignition must be in ON/RUN or ACC/ACCESSORY and the regular brake pedal must be applied. ...

Map Coordinates
The coordinates destination entry method lets you select a destination by entering latitude and longitude coordinates. Map Coordinates: Press to access the Coordinates Entry screen. To use the 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 v ...