See also:

Accessory Power Outlet(s)
The accessory power outlets can be used to plug in electrical equipment, such as a cellular telephone. The vehicle may have up to three power outlets depending on the type of front seat installed ...

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 †...

Cruise Control
With cruise control, the vehicle can maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below 40 km/h (25 ...