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:
Weight-Distributing Hitch Adjustment
A. Body to Ground Distance
B. Front of Vehicle
When using a weight-distributing hitch, the spring bars should be adjusted so the distance (A) is the same after coupling the trailer to the tow vehi ...
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
Parking on Hills
WARNING
Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move.
People can be injured, and both the vehicle and the trailer ca ...