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:
Fuel System Messages
FUEL LEVEL LOW
This message displays when the vehicle is low on fuel. Refuel as soon as
possible
TIGHTEN GAS CAP
This message displays when the fuel cap is not on tight. Tighten the fuel
ca ...
Brake System Warning Light
With the ignition on, the brake system warning light comes on when the parking
brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds
when the vehicle speed is great ...