Initial Drive Information
See also:
Climate Controls
These systems control the heating, cooling, and ventilation. ...
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. ...
Safety
All-disc antilock brakes and daytime running lights are standard, but
side-impact airbags are not available. ...





