1999 Ford F350 Owner Guide 4th Printing - Page 21
1999 Ford F350 Manual
Page 21 highlights
Instrumentation 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 8 seconds, the trip MODE E/M 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. 21