See also:

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

Manual Seats
Manual Seats A. Seatback Recline Lever B. Height Adjustment Switch C. Seat Position Handle To adjust the seat position: 1. Pull the handle (C) under the front of the seat cushion. 2. Slide t ...

Service
Your dealer knows your vehicle best and wants you to be happy with it. We hope you will go to your dealer for all your service needs. You will get genuine GM parts and GM-trained and supported ser ...