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:

    Electric Power Steering
    If your vehicle has electric power steering it does not have power steering fluid. Regular maintenance is not required. If power steering assist is lost due to a system malfunction, the vehic ...

    Universal Home Remote System Operation (With One Triangular LED)
    Your vehicle may have the Universal Home Remote System. If there is one triangular Light Emitting Diode (LED) above the Universal Home Remote buttons, follow the instructions below. If your vehi ...

    Driving in Rain and on Wet Roads
    Rain and wet roads can reduce vehicle traction and affect your ability to stop and accelerate. Always drive slower in these types of driving conditions and avoid driving through large puddles an ...