Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Making a Call Using Phone Book
    For cell phones that support the phone book feature, the Bluetooth system can use the contacts stored on your cell phone to make calls. See your cell phone's owner's guide or contact your wir ...

    Automatic EPB Release
    The EPB will automatically release if the vehicle is running, placed into gear, and an attempt is made to drive away. Avoid rapid acceleration when the EPB is applied, to preserve parking brake li ...

    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 ...