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:
Keyless Locking
The doors lock after several
seconds if all doors are closed
and at least one keyless access
transmitter has been removed
from the interior of the vehicle.
To customize if the doors
automat ...
Interior Quality & Comfort
The CTS' cabin quality has held up well since this generation first hit the
road as a 2008 model, and it's still competitive against newer entrants like the
535i and M37. Among the highlights are ...
If Steam Is Coming from the Engine Compartment
WARNING
Steam from an overheated engine can burn you badly, even if you just open the
hood. Stay away from the engine if you see or hear steam coming from it. Just
turn it off and get everyone awa ...