Radio Messages
Calibration Error: The audio system has been calibrated for the vehicle from the factory.
If Calibration Error displays, it means that the radio has not been configured properly for the vehicle and it must be returned to your dealer for service.
Locked: This message displays when the TheftLock® system has locked up the radio. Take the vehicle to your dealer for service.
If any error occurs repeatedly or if an error cannot be corrected, contact your dealer.
See also:
How OnStar Service Works
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Air Conditioning
A/C (Air Conditioning): Press to turn the air conditioning on or off. If the
fan is turned off or the outside temperature falls below freezing, the air conditioning
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