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:

    Playing the Radio
    For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. Audio Source VOL/ (Power/Volume): ...

    Ride Control System Messages
    ALL WHEEL DRIVE OFF If your vehicle has the All-Wheel Drive (AWD) system, this message displays when the rear drive system is overheating. This message turns off when the rear drive system cools ...

    Universal Remote System Operation
    Press and hold the appropriate button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...