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.
See also:
Filling the Tank
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid
injuries to you and others, read and follow all the instructions on the fuel pump
island. Turn off the eng ...
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, i ...
Remote Vehicle Start
With this feature the engine can be started from outside of the vehicle. ...