See also:

Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑20. ...

Radio Data System (RDS)
For radios with the Radio Data System (RDS) feature, it only works with FM stations that broadcast RDS information. This system relies upon receiving specific information from these stations and only ...

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. ...