Object Detection Systems
See also:
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. ...
Liftgate
To open the liftgate the vehicle must be in P (Park). Press the touch pad under the liftgate handle. To close the liftgate, use the pull cup or pull strap as an aid.
Power Liftgate
On vehicles with ...
Shifting into Neutral
To shift the transfer case to N (Neutral) do the following:
1. Make sure the vehicle is parked so that it will not roll.
2. Set the parking brake and apply the regular brake pedal. See Parking Brake ...





