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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    DIC Buttons
    MENU: Press this button to get to the Trip/Fuel Menu and the Vehicle Information Menu. : Use these buttons to scroll through the items in each menu. A small marker will move along the page as ...

    Folding Mirrors
    For vehicles with manual folding mirrors, push the mirror toward the vehicle. Pull the mirror out to return to its original position. For vehicles with power folding mirrors: 1. Press (A) to fold ...

    Noise Control System
    The following information relates to compliance with federal noise emission standards for vehicles with a Gross Vehicle Weight Rating (GVWR) of more than 4 536 kg (10,000 lbs). The noise control syste ...