Ford 2005 Grand Marquis Owner's Manual page 57

Driver Controls
3. From a blank display press and
release the MODE button once. The
directional heading will be
displayed.
Note: If the compass is
de-calibrated, CAL will be displayed
in the right corner of the display.
Refer to "Calibration mode" in this
section for more details.
4. The overhead console displays the compass heading in one of eight
directions: NORTH, NORTHEAST, EAST, SOUTHEAST, SOUTH,
SOUTHWEST, WEST, and NORTHWEST.
Zone variation mode
Most geographic areas (zones) have a magnetic north compass point that
varies slightly from the northerly direction on maps. A correct zone
setting will eliminate compass heading error.
To set the compass zone:
1. Press and release the MODE
button until the compass directional
heading is displayed.
2. Hold down the MODE button for
5 seconds to enter zone mode. The
display will read PRESS RESET TO
SET ZONE XX where XX is the
current zone.
3. Release the MODE button.
57
2005 Crown Victoria (cro)
Owners Guide (post-2002-fmt)
USA (fus)