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.

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    Battery Voltage and Charging Messages
    BATTERY SAVER ACTIVE This message displays when the vehicle has detected that the battery voltage is dropping beyond a reasonable point. The battery saver system starts reducing certain features ...

    2008 GMC Acadia Review
    GMC's all-new Acadia is a full-size crossover with room for up to eight. It's a large people-mover meant to appeal to the brand's target audience: truck-buyers. Surprisingly, the Acadia pulls that ...

    When to Check Power Steering Fluid
    The power steering fluid does not need to be checked unless there is a leak in the system or you hear an unusual noise. Have the system inspected and repaired if there is a fluid loss. ...