Compass Calibration and Variance Procedures
WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 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) or Compass Calibration and Magnetic Variance (DIC) .