Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Exterior
There's hybrid badging on the cab's rear window, ahead of the side mirrors
and on the tailgate, but otherwise the hybrid version looks similar to the
gas-powered version. ...
Anti-Pinch Feature
If an object is in the path of the sunroof when it is closing, the anti-pinch
feature detects the object and stops the sunroof from closing at the point of the
obstruction. The sunroof then return ...
Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands&-Free Directory
that is shared between the Bluetooth and OnStar systems.
The following commands are used to delete and stor ...