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:
Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
If there are no currently recognized transmitters available, follow this
procedure to program up to eight transmitters. This feature is not available in
Canada. This procedure will take approximatel ...
Driving Impressions
Cadillac's Seville has been known for years as a potent and appealing road
car. The new STS builds solidly upon that reputation, adding a stylish exterior
and ample technology.
Smooth-riding and ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...