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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    What to Use
    WARNING! Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids can boil before the proper coolant mixture will. The coolant warni ...

    Total Weight on Your Vehicle’s Tires
    Be sure your vehicle’s tires are inflated to the upper limit for cold tires. You’ll find these numbers on the Certification label at the rear edge of the driver’s door or see Loading Your Veh ...

    Interior
    The Rendezvous seats five occupants in standard form, but its reconfigurable interior may be equipped with third-row seats that hold two additional people. The second row can have a three-place sp ...