1999 Ford Expedition Owner Guide 1st Printing - Page 58
1999 Ford Expedition Manual
Page 58 highlights
Controls and features Compass zone adjustment 1. Determine which magnetic zone you are in for your geographic location by referring to the zone map. 1 2 3 13 4 12 5 6 7 8 9 10 11 15 14 2. Locate the compass module mounted at the base of the mirror. 3. Turn ignition to the ON position. 4. Insert an appropriate diameter rod (paperclip) into the small hole underneath the compass module and gently press the switch for 1 to 2 seconds until ZONE and the current zone setting is displayed on the trip computer. 5. Release the switch, then slowly press down again. Press the switch repeatedly until the correct zone setting for your geographic location is displayed on the trip computer. 6. To exit the zone setting mode, release pressure from the switch for greater than two seconds. 58