Electronic Compass: Adjustments Mercury Mariner II

Compass Zone Adjustment

1. Refer to the compass calibration zone map below to select the correct compass zone setting for the geographic location of the vehicle.
2. With the key in the ON position, press and hold the MODE button (for approximately 5 seconds) until the display shows the current zone setting. Release the MODE button.
3. Before the zone setting mode turns off (within 5 seconds), momentarily press and release the MODE button to increase the zone increment by one. Set the zone display number to match the vehicle geographical location on the compass calibration zone map in this article.
4. Release the switch for 5 seconds to exit the zone setting mode.

Compass Calibration

1. Start the vehicle.
2. Press and hold (for approximately 10 seconds) the MODE button until CAL appears in the display, then release the MODE button.
3. Drive the vehicle slowly at less than 5 km/h (3 mph) in a continuous circle until CAL disappears from the display and the compass heading is shown.
4. If the CAL message does not turn off within 5 circles (and the procedure has been repeated at least once), install a new compass module (attached to the interior rearview mirror). For additional information, refer to «REAR VIEW MIRRORS»(ref-292167) article.