OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview  for more information.

    See also:

    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 ...

    Erasing Speed Memory
    When you turn off the cruise control or the ignition, the cruise control set speed memory is erased. ...

    Driving for Better Fuel Economy
    Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. • Avoid fast starts and accelerate smoothly. • Brake gradually and avoid abrup ...