Jeep Wrangler Owner's Manual page 215

214 UNDERSTANDING YOUR INSTRUMENT PANEL
to increment the zone. The default is Zone 8. After Zone
15, the values will wrap around to Zone 1. When the
correct zone is displayed (per the Compass Variance
Zone Map) for the zone that the vehicle is located in, wait
for about 5 seconds, then the trip computer will store the
variance value in memory and the compass will resume
normal operation.
NOTE: The US/Metric display will change from En-
glish to Metric or Metric to English before the VAR
symbol appears, however, it will revert back to its
original setting after programming the compass func-
tions.