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 and must be returned to your dealer for service.
LOCKED: This message is displayed when the THEFTLOCK® system has locked up. 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:
Changing a Tire When Trailer Towing
If the vehicle gets a flat tire while towing a trailer,
be sure to secure the trailer and disconnect it from the
vehicle before changing the tire. ...
Introduction
Important: Keep engine oil at the proper level
and change as recommended.
Have you purchased the GM Protection Plan?
The Plan supplements your new vehicle
warranties. See your Warranty and Owner ...
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF
in each shift lever position.
The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
...