Compass Calibration and Variance Procedures
WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
When the inside rearview mirror with compass is replaced, the compass must be setup utilizing the Compass Calibration and Magnetic Variance (Mirror) , Compass Calibration and Magnetic Variance (DIC) .