2005 Mercury Mountaineer Owner Guide 3rd Printing - Page 74

Driver Controls Compass The compass reading may be affected when you drive near large buildings, bridges, power lines and powerful broadcast antennas. 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 calibration adjustment in this section. 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 adjustment in this section. Compass zone adjustment 1. Determine which magnetic zone you are in for your geographic location by referring to the zone map. 2. Turn ignition to the ON position. 3 2 4 5 1 15 14 13 12 6 7 8 9 1011 3. Locate compass sensor mounted at base of mirror. 4. Press the button on the top of the compass module until ZONE appears in the instrument cluster display. 5. Release pressure on the button and then slowly press it down again. 74 2005 Mountaineer (mnt) Owners Guide (post-2002-fmt) USA (fus)