Jeep Grand Cherokee 2013 Owner's Manual page 351

Compass Variance Map
1. Turn the ignition switch ON.
2. Press the UP or DOWN button until the Setup
(Customer-Programmable Features) menu is reached,
then press the SELECT button.
UNDERSTANDING YOUR INSTRUMENT PANEL 349
3. Press the DOWN button until the "Compass Variance"
message is displayed in the EVIC, then press the
SELECT button. The last variance zone number dis-
plays in the EVIC.
4. Press and release the SELECT button until the proper
variance zone is selected, according to the map.
5. Press and release the BACK button to exit.
Manual Compass Calibration
If the compass appears erratic and the CAL indicator
does not appear in the EVIC display, you must put the
compass into the Calibration Mode manually, as follows:
NOTE: For the most accurate compass performance, the
compass variance must be set before performing the manual
compass calibration. The variance should be set for the zone
where the vehicle is driven, per the zone map. For further
information, refer to "Compass Variance."
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