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. ...

Making a Call
Calls can be made using the following commands. Dial or Call: The dial or call command can be used interchangeably to dial a phone number or a stored name tag. Digit Dial: This command allows a phon ...

Door Locks
WARNING Unlocked doors can be dangerous. • Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. The chan ...