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 on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Trailer Towing
    Before pulling a trailer, there are three important considerations that have to do with weight: ○ The weight of the trailer ○ The weight of the trailer tongue ○ The total weight ...

    Wheel Alignment and Tire Balance
    The tires and wheels were aligned and balanced at the factory to provide the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary on ...

    A Transformative Engine
    You might be thinking, "How can GMC's compact pickup feel like a muscle car?" Well, there's more to it than stuffing a 5.3-liter V-8 under the hood, but that engine goes a long way towar ...