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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    Remote Control Buttons
    (Power): Press this button to turn the video screen on and off. (Illumination): Press this button to turn the remote control backlight on. The backlight automatically times out after 7 to 10 second ...

    How to Add Coolant to the Radiator
    WARNING An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury. Keep hands, clothing, and tools away from any underhood electric fan. WAR ...

    Using Softkeys to Control a USB Storage Device or iPod
    The five softkeys below the radio display are used to control the functions listed below. To use the softkeys: 1. Press the first or fifth softkey below the radio display to display the functions li ...