FORD 2010 Explorer v.2 - Manual (Page 26)

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. Do the following to set the proper zone:
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. Press and release the SELECT/RESET stem to scroll through the
information menu until the message center displays HOLD RESET FOR
SETUP MENU.
4. Press and hold the SELECT/RESET stem until the message center
displays HOLD RESET FOR SYSTEM CHECK. Do not hold the stem
down at this point as you do not want to enter the system check.
Instead, quickly release the stem and repeatedly press it again to scroll
through the setup menu until the message center displays COMPASS
ZONE XX.
5. Press and hold the SELECT/RESET stem for approximately two
seconds to enter the compass zone adjustment mode.
6. Press and release the SELECT/RESET stem until the desired zone
number appears.
7. Release the SELECT/RESET stem and allow the setup timer to expire
to exit the procedure.
Compass calibration adjustment
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.
1. Start the vehicle.
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Instrument Cluster
26
2010 Explorer (exp)
Owners Guide, 2nd Printing
USA (fus)