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:
Radio Messages for XM™ Only
See XM Radio Messages later in this
section for further detail. ...
Starting the Engine
Place the transmission in the proper gear.
Notice: The engine is designed to work with the electronics in the vehicle. If
you add electrical parts or accessories, you could change the way the engin ...
Overheated Engine Protection
Operating Mode
If an overheated engine condition exists and the
message ENGINE OVERHEATED STOP ENGINE is
displayed, an overheat protection mode which alternates
firing groups of cylinders helps prevent engine ...