2009 Ford Expedition Owner Guide 2nd Printing - Page 132

Driver Controls Outside air temperature (OAT) The outside air temperature is shown together with the compass heading in the bottom row of the message center display. Compass display (if equipped) The compass heading is displayed as one of N, NE, E, SE, S, SW, W and NW in the message center display. The compass reading may be affected when you drive near large buildings, bridges, power lines and powerful broadcast antenna. Magnetic or metallic objects placed in, on or near the vehicle may also affect compass accuracy. Usually, when something affects the compass readings, the compass will correct itself after a few days of operating your vehicle in normal conditions. If the compass still appears to be inaccurate, a manual calibration may be necessary. Refer to Compass zone adjustment. Most geographic areas (zones) have a magnetic north compass point that varies slightly from the northerly direction on maps. This variation is up to 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 calibration adjustment. Compass zone adjustment (if equipped) 1. Determine which magnetic zone you are in for your geographic location by referring to the zone 3 2 1 15 map. 4 14 2. Press and hold the RESET stem 13 to scroll through the information 5 displays until the message center 12 displays HOLD RESET FOR SETUP MENU. 6 7 8 9 1011 3. Press and hold the RESET stem for approximately two seconds until the message center displays HOLD RESET FOR SYSTEM CHECK. 4. Press and release the RESET stem to scroll through the system check displays until the message center displays COMPASS ZONE . 132 2009 Expedition (exd) Owners Guide, 2nd Printing USA (fus)