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:

    Time Shifting (Radio with CD/DVD and MEM)
    The radio with the MEM time shift feature can rewind 20 minutes of XM content. While listening to the radio, the content from the current channel is always being buffered. Press   to pause t ...

    Floor Mats
    WARNING If a floor mat is the wrong size or is not properly installed, it can interfere with the pedals. Interference with the pedals can cause unintended acceleration and/or increased stopp ...

    Cruise Control
    Cruise Control Shown with Heated Steering Wheel Button (If Equipped) The cruise control buttons are located on the left side of the steering wheel. : Press to turn the system on or off. The indi ...