Jeep Wrangler: INTRODUCTION / Symbols Key

If you do not read this entire Owner’s Manual, you may miss important
information. Observe all Cautions and Warnings.
Utility vehicles have a significantly higher rollover rate than other types
of
vehicles. This vehicle has a higher ground clearance and a higher center
of gravity than many passenger vehicles...
Other information:
The full size spare is for temporary emergency
use only. This tire may look like the originally
equipped tire on the front or rear axle of your
vehicle, but it is not. This spare tire may have
limited tread life. When the tread is worn to the
tread wear indicators, the temporary use full
size spare tire needs to be replaced...
NOTE:
Under no circumstances should oil change
intervals exceed 8,000 miles (12,875 km) or
six months, whichever comes first when
using biodiesel blends greater than 5% (B5).
The owner is required to monitor mileage for
B6-B20 biodiesel, the automatic oil change
indicator system does not reflect the use of
biofuels...