See also:

How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...

Display Settings
Press the Config button on the Home Page or the CONFIG button on the faceplate, then select Display Settings from the list. The following options may display: Dimming Mode: Press to change t ...

Exterior Lamp Controls
The exterior lamp control is located to the left of the steering column on the instrument panel. It controls the following systems: Headlamps Taillamps Parking Lamps License Plate Lamps ...