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:

    Rear Seat Pass-Through Door
    The vehicle may have a door in the rear seat that provides access to the trunk. Lower the rear seat armrest to access the pass-through door. Pull the release handle to open the door. To close, pus ...

    Chime Level Adjustment
    The radio is used to adjust the vehicle’s chime level. To change the volume level of the chime, press and hold pushbutton 6 with the ignition on and the radio power off. The volume level will ch ...

    Power Flow Gauge (eAssist Only)
    This display shows the operating mode of the eAssist system and the high voltage battery charge level. The animation indicates the direction of energy flow. ...