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:
Charging System Light
The charging system light comes on briefly when the ignition is turned on, but
the engine is not running, as a check to show the light is working. The light turns
off when the engine is started. ...
Privacy
The complete OnStar Privacy Statement may be found at www.onstar.com. Privacy-sensitive
users of wireless communications are cautioned that the privacy of any information
sent via wireless cellula ...
Driving in Mud, Sand, Snow, or Ice
Use a low gear when driving in mud – the deeper the mud, the lower the gear.
Keep the vehicle moving to avoid getting stuck.
Traction changes when driving on sand. On loose sand, such as on beach ...