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:
Endless entertainment options
Terraza is offered with a wide choice of passenger entertainment features,
which can be a welcome addition on long trips while giving owners the ability to
interface between the vehicle and one's ...
Languages
The vehicle supports English,
French (Canadian), and Spanish.
The default language is English.
To change the display language,
see Vehicle Personalization for more information. ...
Radio Messages
CAL ERR (Calibration Error): The audio system
has been calibrated for your vehicle from the
factory. If CAL ERR displays, it means that the
radio has not been configured properly for
the vehicle a ...