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:
Turning the System On and Off
The URPA system can be turned on and off using the rear park aid disable button located next to the radio.
The indicator light comes on when the system is disabled and turns off when the system is ...
Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information.
The vehicle has several indicators to warn of engine overheating.
There is a coolant temperatu ...
Removing the Flat Tire and Installing the Spare Tire
1. Do a safety check before proceeding. See If a Tire Goes Flat on page 10‑58 for more information.
2. If the vehicle has a wheel cover, loosen the plastic nut caps with the wheel wrench. They ...