Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    Introduction
    The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, BUICK, the BUICK Emblem, and LACR ...

    Running the Engine While Parked
    It is better not to park with the engine running. But if you ever have to, here are some things to know. CAUTION: Idling the engine with the climate control system off could allow dangerous exha ...

    Automatic Operation
    AUTO (Automatic): When automatic operation is active, the system will control the inside temperature, the air delivery mode, and the fan speed. Use the steps below to place the entire system in ...