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:
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed.
When you change the engine oil, be sure to reset the Oil Life System.
See Engine Oil Life System, Driver ...
Express-Down/Up Windows
Windows with the express feature
allow the windows to be raised and
lowered all the way without holding
the switch.
Press or pull the switch fully and
release it to activate the express
fea ...
Hazard Warning Flashers
(Hazard Warning Flashers):
Press this button located on top of the steering column, to make the front and
rear turn signal lamps flash on and off. This warns others that you are having trouble. ...