Unable to Connect to OnStar Message
Cadillac CTS / Cadillac CTS Owners Manual / OnStar / OnStar Additional
Information / 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:
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