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:
Windshield Replacement
If the vehicle is equipped with the Head-Up display (HUD) system and the windshield needs to be replaced, get one that is designed for HUD or the HUD image may look out of focus. ...
USB Support
The USB connector is located on the instrument panel or in the center console, and uses the USB 2.0 standard. ...
Rear Seats
The vehicle's rear seat has head restraints in the outboard seating positions
that cannot be adjusted. Rear outboard head restraints are not designed to be removed. ...