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:

    Universal Remote System
    The Universal Home Remote System allows for garage door openers, security systems, and home automation devices to be programmed to work with these buttons in the vehicle. See Universal Home R ...

    Head Restraints
    WARNING With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/ spinal injury in a crash. Do not drive until the head res ...

    Door Ajar Light
    This light comes when a door is open or not securely latched. ...