OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview on page 14‑1 for more information.

    See also:

    Using the Tire Sealant and Compressor Kit without Sealant to Inflate a Tire (Not Punctured)
    To use the air compressor to inflate a tire with air only and not sealant: If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on the hazard warning fl ...

    Comprehensive safety system
    The GMC Acadia has a comprehensive safety system that is designed to protect passengers before, during and after a crash. Its strong structure and four-wheel independent suspension system enhance ...

    Safety Belt Use During Pregnancy
    Safety belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they do not wear safety belts. A pregnant woman should wear a lap-shoul ...