2016 JEEP WRANGLER service indicator

than 87 can cause engine failure and may void or not be
covered by the New Vehicle Limited Warranty.
Poor quality gasoline can cause problems such as hard
starting, stalling, and hesitations. If you experience these
symptoms, try another brand of gasoline before consid-
ering service for the vehicle.
Reformulated Gasoline
Many areas of the country require the use of cleaner
burning gasoline referred to as “Reformulated Gasoline”.
Reformulated gasoline contains oxygenates and are spe-
cifically blended to reduce vehicle emissions and im-
prove air quality.
The use of reformulated gasoline is recommended. Prop-
erly blended reformulated gasoline will provide im-
proved performance and durability of engine and fuel
system components.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxy-
genates such as ethanol.
CAUTION!
DO NOT use gasoline containing methanol or gaso-
line containing more than 15% ethanol (E-15). Use of
these blends may result in starting and drivability
problems, damage critical fuel system components,
cause emissions to exceed the applicable standard,
and/or cause the “Malfunction Indicator Light” to
illuminate. Please observe pump labels as they
should clearly communicate if a fuel contains greater
than 15% ethanol (E-15).
5
STARTING AND OPERATING 535

ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated onboard
diagnostic system called OBD II. This system monitors
the performance of the emissions, engine, and automatic
transmission control systems. When these systems are
operating properly, your vehicle will provide excellent
performance and fuel economy, as well as engine emis-
sions well within current government regulations.
If any of these systems require service, the OBD II system
will turn on the “Malfunction Indicator Light” (MIL). It
will also store diagnostic codes and other information to
assist your service technician in making repairs. Al-
though your vehicle will usually be drivable and not
need towing, see your authorized dealer for service as
soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and driveability.
The vehicle must be serviced before any emissions
tests can be performed.
• If the MIL is flashing while the engine is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Loose Fuel Filler Cap Message
After fuel is added, the vehicle diagnostic system can
determine if the fuel filler cap is possibly loose, improp-
erly installed, or damaged. A “gASCAP” message will be
displayed in the odometer. Tighten the gas cap until a
clicking sound is heard. This is an indication that the
gas cap is properly tightened. Press the odometer reset
button to turn the message off. If the problem persists,
596 MAINTAINING YOUR VEHICLE

the message will appear the next time the vehicle is
started. This might indicate a damaged cap. If the prob-
lem is detected twice in a row, the system will turn on the
MIL. Resolving the problem will turn the MIL off.
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS
In some localities, it may be a legal requirement to pass
an inspection of your vehicle’s emissions control system.
Failure to pass could prevent vehicle registration.For states that require an Inspection and Mainte-
nance (I/M), this check verifies the “Malfunction
Indicator Light (MIL)” is functioning and is not
on when the engine is running, and that the OBD II
system is ready for testing.
Normally, the OBD II system will be ready. The OBD II
system may notbe ready if your vehicle was recently serviced, recently had a dead battery or a battery replace-
ment. If the OBD II system should be determined not
ready for the I/M test, your vehicle may fail the test.
Your vehicle has a simple ignition actuated test, which
you can use prior to going to the test station. To check if
your vehicle’s OBD II system is ready, you must do the
following:
1. Cycle the ignition switch to the ON position, but do
not crank or start the engine.
NOTE: If you crank or start the engine, you will have to
start this test over.
2. As soon as you cycle the ignition switch to the ON position, you will see the “Malfunction Indicator Light
(MIL)” symbol come on as part of a normal bulb
check.
7
MAINTAINING YOUR VEHICLE 597

7. Install the A/C air filter with the air filter positionindicators pointing in the same direction as removal.
CAUTION!
The A/C air filter is identified with an arrow to
indicate airflow direction through the filter. Failure
to properly install the filter will result in the need to
replace it more often.
8. Close A/C Air Filter access doors and secure retaining tabs.
9. Rotate the glove compartment door back into position.
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
Body Lubrication
Locks and all body pivot points, including such items as
seat tracks, door hinge pivot points and rollers, liftgate,
tailgate, decklid, sliding doors and hood hinges, should
be lubricated periodically with a lithium based grease,
such as MOPAR Spray White Lube to assure quiet, easy
operation and to protect against rust and wear. Prior to
the application of any lubricant, the parts concerned
should be wiped clean to remove dust and grit; after
lubricating excess oil and grease should be removed.
Particular attention should also be given to hood latching
components to ensure proper function. When performing
other underhood services, the hood latch, release mecha-
nism and safety catch should be cleaned and lubricated.
The external lock cylinders should be lubricated twice a
year, preferably in the Fall and Spring. Apply a small
amount of a high quality lubricant, such as MOPAR Lock
Cylinder Lubricant directly into the lock cylinder.
614 MAINTAINING YOUR VEHICLE

VEHICLE STORAGE
If you are leaving your vehicle dormant for more than 21
days, you may want to take steps to protect your battery.
You may:
•Remove Cartridge fuse #J13 in the Power Distribution
Center (PDC) labeled Ignition-Off Draw (IOD) and
store it in a safe location within the PDC. •
Or, disconnect the negative cable from the battery.
• Anytime you store your vehicle, or keep it out of
service (i.e., vacation) for two weeks or more, run the
air conditioning system at idle for about five minutes
in the fresh air and high blower setting. This will
ensure adequate system lubrication to minimize the
possibility of compressor damage when the system is
started again.
REPLACEMENT BULBS
Interior Bulbs
Bulb Number
Automatic Transmission Indicator Lamp 658
Heater Control Lamps (2) 194
Rocker Switch Indicator Lamp (Rear Window Defogger, and Rear Wash/Wipe) **
Soundbar Dome Lamp 912
** Bulbs only available from authorized dealer.
654 MAINTAINING YOUR VEHICLE

MAINTENANCE SCHEDULE
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that ser-
vice is required for your vehicle. Operating conditions
such as frequent short-trips, trailer tow, extremely hot or
cold ambient temperatures will influence when the
“Change Oil” or “Oil Change Required” message is
displayed. Severe Operating Conditions can cause the
change oil message to illuminate as early as 3,500 miles
(5,600 km) since last reset. Have your vehicle serviced as
soon as possible, within the next 500 miles (805 km).On Electronic Vehicle Information Center (EVIC)
equipped vehicles, “Oil Change Required” will be dis-
played in the EVIC and a single chime will sound,
indicating that an oil change is necessary.
On Non-EVIC equipped vehicles, “Change Oil” will flash
in the instrument cluster odometer and a single chime
will sound, indicating that an oil change is necessary.
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If a
scheduled oil change is performed by someone other
than your authorized dealer, the message can be reset by
referring to the steps described under “Instrument Clus-
ter Descriptions” or “Electronic Vehicle Information Cen-
ter (EVIC)” in “Understanding Your Instrument Panel”
for further information.
664 MAINTENANCE SCHEDULES

Leaks, Fluid............................ .104
Life Of Tires ............................ .519
Light Bulbs ......................... .104, 654
Lights ............................. .104, 168
AirBag ........................71, 101, 320
Automatic Headlights ....................169
Back-Up ............................. .658
Brake Assist Warning ....................494
Brake Warning ..................... .318, 480
Bulb Replacement ...................... .656
Cargo .............................. .174
Center Mounted Stop ....................658
Daytime Running ...................... .172
Exterior ............................. .104
Fog............................. .171, 657
Hazard Warning Flasher ..................570
Headlights ........................ .169, 656
Headlight Switch ...................... .169
Hill Descent Control Indicator ..............497Illuminated Entry
........................21
Instrument Cluster ..................... .169
Interior ............................. .173
Lights On Reminder .....................171
Malfunction Indicator (Check Engine) .........326
Passing ............................. .171
Rear Servicing ........................ .658
Rear Tail Lamps ....................... .658
Seat Belt Reminder ..................... .316
Security Alarm ........................ .322
Service .............................. .656
Side Marker .......................... .658
Tire Pressure Monitoring (TPMS) ............328
Traction Control ....................... .494
Turn Signal ..................104, 170, 657, 658
Loading Vehicle ......................... .541
Tires ............................... .505
Locking
Axle........................... .459
Locks ..................................3810
INDEX 691

Automatic Door.........................41
Child Protection .........................42
Door .................................38
Power Door ............................40
Lubrication, Body ........................ .614
Lug Nuts .............................. .571
Maintenance Free Battery ....................609
Maintenance Procedures ....................599
Maintenance Schedule ..................... .664
Malfunction Indicator Light (Check Engine) . . .326, 597
Manual, Service ......................... .678
Manual Transmission ...................438, 636
Fluid Level Check ...................... .636
Lubricant Selection ...................636, 662
Shift Speeds .......................... .439
Master Cylinder (Brakes) ....................631
Methanol .............................. .535
Mini-Trip Computer ....................338, 347 Mirrors
.................................111
Automatic Dimming .....................112
Electric Powered ........................113
Electric Remote .........................113
Heated ...............................114
Outside ..............................112
Rearview .............................111
Vanity ...............................114
Modifications/Alterations, Vehicle ...............9
Modular Hard Top ....................... .206
Monitor, Tire Pressure System ................523
MOPAR Parts ........................ .598, 677
MTBE/ETBE ........................... .535
New Vehicle Break-In Period ..................98
Occupant Restraints ........................47
Octane Rating, Gasoline (Fuel) .............534, 660
Oil Change Indicator ...................... .353
692 INDEX