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:
Clearing the System
Unless information is deleted out of the in-vehicle Bluetooth system, it will be retained indefinitely.
This includes all saved name tags in the phone book and phone pairing information. For informat ...
Express-open/Express-close
Press and release the front or rear of the driver side switch to express-open
or express-close the sunroof. ...
High Voltage Devices and Wiring
WARNING
Exposure to high voltage can cause shock, burns, and even death. The high voltage components in the vehicle can only be serviced by technicians with special training.
High voltage components ...