Compass Zone Adjustment
WARNING: This page is about a different car, the 2002 Lincoln Navigator and 2002 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Press and hold the button located on the upper left side of the compass sensor module for one to 2 seconds or until ZONE is displayed. Release the button. Press the button until the zone that is correct for your region is displayed. See Fig 1. To exit zone adjustment mode, release the button.