See also:

Control of a Vehicle
The following three systems help to control the vehicle while driving—brakes, steering, and accelerator. At times, as when driving on snow or ice, it is easy to ask more of those control syste ...

Volume Control
VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

Gasoline Octane
If the vehicle has the 3.9L V6 engine (VIN Code 1) or the 3.9L V6 engine (VIN Code M), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less tha ...