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:

    Sunroof (Extended Cab)
    Sunroof (Extended Cab) On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active. See Retained Acces ...

    Cruise Control Messages
    CRUISE SET TO XXX This message displays whenever the cruise control is set. See Cruise Control on page 9‑32 for more information. ...

    Jump Starting
    For more information about the vehicle battery, see Battery on page 10‑26. Jump starting can be used on vehicles with run&-down batteries by using jumper cables and another vehicle. WARN ...