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.

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    High Voltage Devices and Wiring
    WARNING Exposure to high voltage can cause shock, burns, and even death. The high voltage components in the vehicle can only be serviced by technicians with special training. High voltage components ...

    Trailer Brakes
    Does the trailer have its own brakes? Be sure to read and follow the instructions for the trailer brakes so they are installed, adjusted, and maintained properly. Because the vehicle has antilock b ...

    Spacious, refined and versatile interior
    The Acadia's interior features a "low and away" instrument panel that enhances the feeling of openness in the front-row seats and provides a commanding outward view. All interior element ...