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.

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    Introduction
    Notice: Maintenance intervals, checks, inspections, recommended fluids, and lubricants are necessary to keep this vehicle in good working condition. Damage caused by failure to follow scheduled ...

    Safety Chains
    Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated from ...

    Roof
    Sunroof On vehicles with a sunroof, the switches are on the overhead console. The sunroof only operates when the ignition is in ON/RUN or ACC/ ACCESSORY or in Retained Accessory Power (RAP). See R ...