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. ...

Battery Replacement
To change the batteries on the headphones: 1. Turn the screw to loosen the battery door located on the left side of the headphones. Slide the battery door open. 2. Replace the two batteries in the c ...

Washer Fluid
What to Use When adding windshield washer fluid, be sure to read the manufacturer's instructions before use. If the vehicle will be operating in an area where the temperature may fall below freezing, ...