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. ...

Storing Memory Positions
To save into memory: 1. Adjust the driver seat, seatback recliner, and both outside mirrors. See Power Mirrors on page 2‑16 for more information. Not all vehicles will have the ability to sav ...

Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...