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:
Universal Remote System
Vehicles with the Universal Remote System will have these buttons located in
the headliner.
This system provides a way to replace up to three remote control transmitters
used to activate device ...
Lateral Acceleration (CTS-V Only)
Lateral Acceleration measures
the force of a turn or corner.
For example, when turning right, it
forces to the left. This gauge
displays the “g” force from 0.0 g
to 2.0 g. ...
EPB Release
To release the EPB, place the ignition in the ON/RUN position, apply and
hold the brake pedal, and push down momentarily on the EPB switch. If you
attempt to release the EPB without the brake pedal ...