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:
2011 Cadillac CTS Review
Since its 2008 redesign, the Cadillac CTS has been a car you could point to
as evidence that GM can build world-class cars. It's classy, through and
through, and proves that when the automaker put ...
Tips and Troubleshooting
IR Sensor Inoperative: Check that the batteries are good in the remote control.
Check that the remote Control IR Sensor is not blocked. Aim the remote control toward
the IR Sensor being controlled ...
Tachometer
The tachometer displays the
engine speed in revolutions per
minute (rpm).
Notice: If the engine is operated
with the tachometer in the shaded
warning area, the vehicle could
be damaged, and ...