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:
PARK BRAKE RELEASED
For vehicles with the electric parking
brake, this message displays
when the parking brake has been
released from the set position.
See the electric parking brake
information under Parking Br ...
Sunroof
If the vehicle has a power sunroof it
will only operate when the ignition is
in ON/RUN or ACC/ACCESSORY,
or when Retained Accessory
Power (RAP) is active. See Ignition
Positions (Key Access) ...
Belts
- Belts may need replacing if
they squeak or show signs of
cracking or splitting.
- Trained dealer technicians
can inspect the belts and
recommend replacement when
necessary. ...