See also:

California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, seat belt pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters, may contain perchlorate materials. ...

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. ...

Passenger Airbag Status Indicator
The vehicle has a passenger sensing system. See Passenger Sensing System on page 3‑31 for important safety information. The instrument panel has a passenger airbag status indicator. United S ...