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 ...

Return to Factory Settings
Select Return to Factory Settings to return all of the vehicle personalization to the default settings. Turn the Menu knob to select Yes or No. Press SELECT to confirm and go back to the l ...

Using Cruise Control on Hills
How well the cruise control will work on hills depends upon the vehicle speed, load and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to ...