See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system statu ...

Shifting Into Two-Wheel Drive High
Turn the knob to the Two-Wheel Drive High position. This can be done at any speed, except when shifting from Four-Wheel Drive Low. See “Shifting Out of Four-Wheel Drive Low” for more information. ...

Storing Radio Station Presets
There are a few ways to store presets. Up to 36 preset stations can be stored. AM, FM, and XM, if equipped, can be mixed. 1. From the AM, FM, or XM main page, press and hold one of the preset screen ...