Mercury Mountaineer 2009 Owner's Manual page 562

Driver Controls
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. From the SETUP MENU, press
the SETUP control to select the
compass calibration function.
2. Press RESET for calibration.
3. 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.
4. The compass is now calibrated.
Oil life Setup and Start Value
To reset the oil monitoring system to 100% after each oil change
[approximately 7,500 miles (12,000 km) or six months] perform the
following:
1. Press RESET control to display
"HOLD RESET IF NEW OIL".
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2009 Mountaineer (mnt)
Owners Guide, 1st Printing
USA (fus)