OnStar Services

See also:

Reading Lamps
There are front and rear reading lamps. The front reading lamps are located in the overhead console. Press to turn each lamp on or off. The rear reading lamps are located in the headliner. ...

Overhead Console
Your vehicle may have this feature. The overhead console may include reading lamps, a Universal Home Remote and a sunroof switch. ...

Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may display one after the other. The messages th ...