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:

    Volume Control
    VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

    Windshield Wiper BladeReplacement
    Windshield wiper blades should be inspected for wear or cracking. Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that ...

    When the System Does Not Seem to Work Properly
    The RVC system may not work properly or display a clear image if: • The RVC is turned off. See “Turning the Rear Camera System On or Off” earlier in this section. • It is dark. • ...