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:
NOTE:
Ensure that the rear fascia/bumper is free of
snow, ice, mud, dirt and debris to keep the
ParkSense system operating properly.
Jackhammers, large trucks, and other vibrations
could affect the performance of Park-
Sense.
When you turn ParkSense off, the instrument
cluster display will read “PARKSENSE OFF...
While operating on gasoline with the required
octane number, hearing a light knocking sound
from the engine is not a cause for concern.
However, if the engine is heard making a heavy
knocking sound, see a dealer immediately. Use
of gasoline with an octane number lower than
recommended octane can cause engine failure
and may void the New Vehicle Limited Warranty...