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:

    Antilock Brake System (ABS) Warning Light
    The Antilock Brake System (ABS) light comes on briefly when the engine is started. If the light does not come on, have the vehicle serviced by your dealer. If the ABS light comes on and stays on w ...

    Design story
    The Buick Regal's sleek design blends the sweeping silhouette and proportions of a coupe in a progressive package that suggests motion from all angles. Great attention to detail complements that a ...

    Programming Transmitters to the Vehicle
    Only RKE transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be reprogramm ...