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:
Fuels in Foreign Countries
Never use leaded gasoline or any other fuel not recommended in the previous
text on fuel. Costly repairs caused by use of improper fuel would not be
covered by the vehicle warranty.
To check the ...
Manual Mode
Driver Shift Control (DSC)
The vehicle has Driver Shift Control (DSC). DSC controls the vehicle's transmission
and vehicle speed while driving down hill or towing a trailer by allowing you to ...
Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour
(km/h) or miles per hour (mph). ...