See also:

Testing the Alarm
To test the alarm: 1. From inside the vehicle, lower the driver side window, and open the driver door. 2. Press . 3. Get out of the vehicle, close the door, and wait for the security light to go ou ...

Shifting out of Park
This vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: • Prevent ignition key removal unless the shift lever is in P (Park) with the shift le ...

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. ...