See also:

OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling. On some vehicles, you may have to hold the button for a few seconds and give the command †...

Starting the Engine
Place the transmission in the proper gear. Automatic Transmission Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the vehicle when it is ...

First Engine Oil Change After Every 160 000 km/100,000 Miles
• Automatic transmission fluid change (normal service). See Automatic Transmission Fluid . • Spark plug replacement. An Emission Control Service. ...