Jeep 2010 Grand Cherokee Owner's Manual page 177

2. Press the MENU button until Personal Settings
(Customer-Programmable Features) menu is reached.
3. Press the SCROLL button until "Calibrate Compass" is
displayed in the EVIC.
4. Press and release the FUNCTION SELECT button to
start the calibration. The "CAL" indicator will be dis-
played in the EVIC.
5. Complete one or more 360–degree turns (in an area
free from large metal or metallic objects) until the "CAL"
indicator turns off. The compass will now function
normally.
Compass Variance
Compass Variance is the difference between magnetic
North and Geographic North. In some areas of the
country, the difference between magnetic and geographic
North is great enough to cause the compass to give false
UNDERSTANDING YOUR INSTRUMENT PANEL 177
readings. For the most accurate compass performance,
the compass variance must be set using the following
procedure:
NOTE: Magnetic materials should be kept away from
the Overhead console. This is where the compass sensor
is located.
Compass Variance Map
4