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:

    Radio Messages for XM™ Only
    See XM Radio Messages later in this section for further detail. ...

    Rear Seat Pass-Through
    Your vehicle has a small door in the rear seat. This door allows you to access the trunk from inside the vehicle. The rear seat armrest must be down for the pass-through door to open. To release ...

    Windshield Wipers
    The windshield wiper lever is located on the left side of the steering column. Turn the band with the wiper symbol on it to control the windshield wipers. (Mist): For a single wiping cycle, h ...