2005 Ford F350 Owner Guide 3rd Printing - Page 70

Driver Controls Most geographic areas (zones) have a magnetic north compass point that varies slightly from the northerly direction on maps. This variation is four degrees between adjacent zones and will become noticeable as the vehicle crosses multiple zones. A correct zone setting will eliminate this error. Refer to Compass zone/calibration adjustment. Compass zone/calibration adjustment 1. Determine your magnetic zone by referring to the zone map. 3 2 2. Turn ignition to the ON position. 3. Start the engine. 4 5 1 15 14 13 12 6 7 8 9 1011 4. From Info menu, press and hold the SETUP and RESET controls simultaneously until the message center display changes to show the current zone setting (XX). 5. Press the SETUP control repeatedly until the correct zone setting for your geographic location is displayed on the message center. The range of zone values are from 01 to 15 and "wraps" back to 01. 6. To exit the zone setting mode, and to "lock in" your change, press and release the RESET control. 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. 70 2005 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA_English (fus)