New for 2011

The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear.

    See also:

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box ...

    Selecting Tracks on an iPod or USB Device (Vehicles without a Navigation System)
    1. Press and hold or while listening to a song until the contents of the current folder display on the radio display. 2. Press and release or to scroll up or down the list, then press and hold ...

    Remote Start Ready
    If the vehicle does not have the remote vehicle start feature, it may have the remote start ready feature. This feature allows your dealer to add the manufacturer's remote vehicle start featur ...