Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Hazard Warning Flashers
(Hazard Warning Flasher): Press
this button, on the center of the instrument panel, to make the front and rear turn
signal lamps flash on and off. This warns others that you are having trouble. ...
Cleaning the Mirror
Do not spray glass cleaner directly on the mirror. Use a soft towel dampened
with water. ...
Park Tilt Mirrors
If the vehicle has the memory package, the outside mirrors have a park tilt feature. This feature tilts the outside mirrors to a preselected position when the vehicle is in R (Reverse). This allows th ...