Jeep Wrangler: INSTRUMENT CLUSTER DISPLAY / Fuel System Messages
The following chart contains a list of different messages that may appear in
the instrument cluster, depending on different system or fuel conditions.
Use the descriptions to interpret what the message means and determine the best
action to take.


This engine meets all required diesel engine
emissions standards. To achieve these
emissions standards, your vehicle is equipped
with a state-of-the-art engine and exhaust
system...
The warning/indicator lights will illuminate in
the instrument panel together with a dedicated
message and/or acoustic signal when
applicable. These indications are indicative and
precautionary and as such must not be
considered as exhaustive and/or alternative to
the information contained in the Owner’s
Manual, which you are advised to read carefully
in all cases...
Other information:
Supplemental Battery — If Equipped
WARNING!
Only use the positive battery post on the
main battery to jump start your vehicle.
Serious injury or death could result if you
attempt to jump start using the supplemental
battery.
Battery gas is flammable and explosive...
For best possible performance, your air
conditioner should be checked and serviced by
an authorized dealer at the start of each warm
season. This service should include cleaning of
the condenser fins and a performance test.
Drive belt tension should also be checked at
this time...