See also:

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. ...

Three-Way Calling
Three-way calling must be supported on the cell phone and enabled by the wireless service carrier. 1. While on a call, press . 2. Say “Three-way call.” 3. Use the dial or call command to dial th ...

Power Reclining Seatbacks
To recline a power seatback, if equipped: • Tilt the top of the control rearward to recline. • Tilt the top of the control forward to raise. ...