2001 Ford F250 Owner's Manual - Page 23

Instrumentation 4. Press and hold both trip computer controls. After approximately four seconds, the trip computer will enter zone setting mode. Zone setting mode is indicated when the display lights the "ZONE" indicator. 5. Release both controls. Subsequent pressing of either control will increment the zone. Press the control repeatedly until the correct zone setting for your geographic location is displayed on the trip computer. 6. To exit the zone setting mode and save the displayed zone in memory, release both controls for greater than five seconds. Compass calibration adjustment Perform this adjustment in an open area free from steel structures and high voltage lines. For optimum calibration, turn off all electrical accessories (heater/air conditioning, wipers, etc.) and make sure all vehicle doors are shut. 1. Locate the trip computer located in the overhead console. 2. Start the vehicle. 3. Press and hold both trip computer controls. After approximately eight seconds, the trip computer will enter CAL mode. CAL mode is indicated when the display lights the "CAL" indicator. 4. Release both controls. The display will return to normal, except that the CAL indicator will remain lit until the compass is sucessfully calibrated. 5. Slowly drive the vehicle in a circle (less than 5 km/h [3 mph]) until the CAL indicator turns off. It may take up to five circles to complete calibration. 6. The compass is now calibrated. 23