See also:

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Manual Mode
Driver Shift Control (DSC) Notice: If you drive the vehicle at a high rpm without upshifting while using Driver Shift Control (DSC), you could damage the vehicle. Always upshift when necessary while ...

Power Seat Adjustment
To adjust the power driver seat, if equipped: Move the seat forward or rearward by sliding the control forward or rearward. Raise or lower the front part of the seat cushion by moving the fron ...