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:

    Engine Air Cleaner/Filter
    See Engine Compartment Overview  for the location of the engine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance int ...

    Automatic Headlamp System
    When it is dark enough outside and the exterior lamps control is in the automatic position, the headlamps come on automatically. See Exterior Lamp Controls . The vehicle has a light sensor locate ...

    Auto Door Unlock
    This allows selection of which of the doors will automatically unlock when the vehicle is shifted into P (Park). Press SELECT when Auto Door Unlock is highlighted. Turn the Menu knob to selec ...