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. ...

Adjusting the Seats
To adjust the second row seats, pull outward on the seat adjustment handle (A). Slide the seat forward or rearward to the desired position. Release the handle, and push and pull on the seat to make s ...

Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: • Always use engine ...