OnStar

See also:

XM Categories
XM channels are organized in categories. Removing or Adding Categories Channels in a category that have been removed can still be accessed by using thes© or ¨\buttons, or the TUNE/MENU knob. ...

What to Use
To determine what kind of fluid to use, see Recommended Fluids and Lubricants. Always use the proper fluid. Notice: Use of the incorrect fluid may damage the vehicle and the damages may not be c ...

Driver Shift Control (DSC)
Notice: Driving with the engine at a high rpm without upshifting while using Driver Shift Control (DSC), could damage the vehicle. Always upshift when necessary while using DSC. DSC allows ...