2008 Ford F250 Owner Guide 4th Printing - Page 134

Driver Controls Compass zone/calibration adjustment 1. Determine your magnetic zone by referring to the zone map. 3 2 2. Turn ignition to the RUN position. 3. Start the engine. 4 5 1 15 14 13 12 6 7 8 9 1011 4. From the SETUP menu, press and release the RESET control until the message center display changes to show the current zone setting (XX). 5. Press and release the RESET control repeatedly until the correct zone setting for your geographic location is displayed on the message center. The range of zone values are from 1 to 15 and "wraps" back to 1. 6. To exit the zone setting mode, and to "lock in" your change: • press and release the SETUP control or, • press INFO control to exit or, • wait 4 seconds and the zone will be "locked in". Perform compass calibration 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. 7. Press the RESET control to start the compass calibration function. 8. Slowly drive the vehicle in a circle (less than 3 mph [5 km/h]) until the CIRCLE SLOWLY TO CALIBRATE display changes to CALIBRATION COMPLETED. It will take up to five circles to complete calibration. 134 2008 F-250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA (fus)