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:
Cleaning the RSE Seatback Console
Use only a clean cloth dampened with clean water to clean the RSE seatback
console surface. ...
Vehicle Positioning
At times, the position of the vehicle on the map may be inaccurate due to one
or more of the following reasons:
Road system has changed.
Vehicle is driving on slippery road surfaces such as in ...
Trip Odometer
The trip odometer can show how far the vehicle has been driven since the trip
odometer was last set to zero.
For more information see “Trip Odometer” under Driver Information Center (DIC)
. ...