fuel cap JEEP PATRIOT 2011 1.G Owners Manual

Vehicle Odometer Messages
When the appropriate conditions exist, the following
odometer messages will display:
door............................. Door Ajar
gate .............................. Gate Ajar
gASCAP ....................... Fuel Cap Fault
Lo tIrE ...................... LowTirePr essure
Change Oil ................ Oil Change Required
NOTE: If the vehicle is equipped with the optional
Electronic Vehicle Information Center (EVIC) in the in-
strument cluster, warnings such as “Door Ajar”, and
“Gate Ajar” will be displayed in the EVIC display. For
additional information, refer to “Electronic Vehicle Infor-
mation Center — If Equipped”.
gASCAP
If the vehicle diagnostic system determines that the fuel
filler cap is loose, improperly installed, or damaged, a “gASCAP” message will display in the odometer display
area. Tighten the fuel filler cap properly and press the
TRIP ODOMETER button to turn off the message. If the
problem continues, the message will appear the next time
the vehicle is started.
Lo tIrE
When tire pressure is low, the odometer display will
toggle between Lo and tIrE for three cycles.
CHAngE OIL Message
Your vehicle is equipped with an engine oil change
indicator system. The “CHAngE OIL” message will flash
in the instrument cluster odometer display for approxi-
mately 12 seconds after a single chime has sounded to
indicate the next scheduled oil change interval. The
engine oil change indicator system is duty cycle based,
which means the engine oil change interval may fluctuate
dependent upon your personal driving style. Unless
reset, this message will continue to display each time you
204 UNDERSTANDING YOUR INSTRUMENT PANEL

turn the ignition switch to the ON/RUN position. To turn
off the message temporarily, press and release the Trip
Odometer button on the instrument cluster. To reset the
oil change indicator system (after performing the sched-
uled maintenance), refer to the following procedure:1. Turn the ignition switch to the ON/RUN position.
Do not start the engine.
2. Fully depress the accelerator pedal slowly three
times within 10 seconds.
3. Turn the ignition switch to the OFF/LOCK position.
NOTE: If the indicator message illuminates when you
start the vehicle, the oil change indicator system did not
reset. If necessary, repeat this procedure.
24. OFF ROAD Indicator — If Equipped
The symbol illuminates (is armed) when the 4WD lock
switch is activated and the shift lever is in LOW or
REVERSE position. 25. Malfunction Indicator Light (MIL)
The Malfunction Indicator Light (MIL) is part of
an Onboard Diagnostic system called OBD II that
monitors emissions, engine, and automatic trans-
mission control systems. The light will illuminate when
the key is in the ON/RUN position before engine start. If
the light does not come on when turning the key from
OFF to ON/RUN, have the condition checked promptly.
Certain conditions, such as a loose or missing gas cap,
poor fuel quality, etc., may illuminate the light after
engine start. The vehicle should be serviced if the light
stays on through several of your typical driving cycles. In
most situations, the vehicle will drive normally and will
not require towing.
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UNDERSTANDING YOUR INSTRUMENT PANEL 205

Fuel Requirements ..................... 358
▫ 2.0L And 2.4L Engine ................. 358
▫ Reformulated Gasoline ................ 358
▫ Gasoline/Oxygenate Blends ............. 359
▫ E-85 Usage In Non-Flex Fuel Vehicles ...... 359
▫ MMT In Gasoline .................... 360
▫ Materials Added To Fuel ............... 360
▫ Fuel System Cautions ................. 360
▫ Carbon Monoxide Warnings ............ 361
 Adding Fuel ......................... 362
▫ Fuel Filler Cap (Gas Cap) .............. 362
▫ Loose Fuel Filler Cap Message ........... 364
Vehicle Loading ...................... 364
▫ Vehicle Certification Label .............. 364
 Trailer Towing ........................ 366
▫ Common Towing Definitions ............ 366
▫ Trailer Hitch Classification .............. 369
▫ Trailer Towing Weights
(Maximum Trailer Weight Ratings) ........ 370
▫ Trailer And Tongue Weight ............. 371
▫ Towing Requirements ................. 372
▫ Towing Tips ........................ 377
 Recreational Towing
(Behind Motorhome, Etc.) ................ 378
290 STARTING AND OPERATING

•Check threaded fasteners for looseness, particularly on
the chassis, drivetrain components, steering, and sus-
pension. Retighten them, if required, and torque to the
values specified in the Service Manual.
•Check for accumulations of plants or brush. These
things could be a fire hazard. They might hide damage
to fuel lines, brake hoses, axle pinion seals, and
propeller shafts.
•After extended operation in mud, sand, water, or
similar dirty conditions, have the radiator, fan, brake
rotors, wheels, brake linings, and axle yokes inspected
and cleaned as soon as possible.
WARNING!
Abrasive material in any part of the brakes may cause
excessive wear or unpredictable braking. You might
not have full braking power when you need it to
prevent a collision. If you have been operating your
vehicle in dirty conditions, get your brakes checked
and cleaned as necessary.
•If you experience unusual vibration after driving in
mud, slush or similar conditions, check the wheels for
impacted material. Impacted material can cause a
wheel imbalance and freeing the wheels of it will
correct the situation.
POWER STEERING
The standard power steering system will give you good
vehicle response and increased ease of maneuverability
in tight spaces. The system will provide mechanical
steering capability if power assist is lost.
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STARTING AND OPERATING 311

WARNING! (Continued)
•Guard against carbon monoxide with proper
maintenance. Have the exhaust system inspected
every time the vehicle is raised. Have any abnor-
mal conditions repaired promptly. Until repaired,
drive with all side windows fully open.
•Keep the liftgate closed when driving your vehicle
to prevent carbon monoxide and other poisonous
exhaust gases from entering the vehicle.
ADDING FUEL
Fuel Filler Cap (Gas Cap)
The gas cap is behind the fuel filler door, on the left side
of the vehicle. If the gas cap is lost or damaged, be sure
the replacement cap is for use with this vehicle.After removing the gas cap, place the gas cap tether cable
over a hook on the inside of the fuel door. This keeps the
gas cap suspended away from and protects the vehicle’s
surface.
Fuel Filler Door
362 STARTING AND OPERATING

CAUTION!
•Damage to the fuel system or emission control
system could result from using an improper fuel
tank filler cap (gas cap). A poorly fitting cap could
let impurities into the fuel system.
•A poorly fitting gas cap may cause the “Malfunc-
tion Indicator Light (MIL)” to turn on.
•To avoid fuel spillage and overfilling, do not “top
off” the fuel tank after filling.
WARNING!
•Never have any smoking materials lit in or near
the vehicle when the gas cap is removed or the
tank is being filled.(Continued)
WARNING! (Continued)
•Never add fuel when the engine is running. This is
in violation of most state and Federal fire regula-
tions and may cause the MIL to turn on.
•A fire may result if gasoline is pumped into a
portable container that is inside of a vehicle. You
could be burned. Always place gas containers on
the ground while filling.
NOTE:
•When the fuel nozzle “clicks” or shuts off, the fuel
tank is full.
•Tighten the gas cap about 1/4 turn until you hear one
click. This is an indication that cap is properly tight-
ened.
•If the gas cap is not tightened properly, the MIL will
come on. Be sure the gas cap is tightened every time
the vehicle is refueled.
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STARTING AND OPERATING 363

Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that the fuel
filler cap is loose or improperly installed, a “gASCAP”
message will be displayed in the Odometer/Trip Odom-
eter in the instrument cluster. Refer to “Instrument
Cluster Description” in “Understanding Your Instrument
Panel” for further information. Tighten the fuel filler cap
properly and press the odometer/trip odometer RESET
button to turn the message off. If the problem continues,
the message will appear the next time the vehicle is
started. Refer to “Onboard Diagnostic System” in “Main-
taining Your Vehicle” for further information.
VEHICLE LOADING
As required by National Highway Traffic Safety Admin-
istration regulations, your vehicle has a certification label
affixed to the driver’s side door or B-Pillar.
Vehicle Certification Label
Your vehicle has a Vehicle Certification Label attached to
the driver’s door B-Pillar.
The label contains the following information:
•Name of manufacturer
•Month and year of manufacture
•Gross Vehicle Weight Rating (GVWR)
•Vehicle Identification Number (VIN)
•Type of Vehicle
•Month, Day and Hour of Manufacture (MDH)
The bar code allows a computer scanner to read the
Vehicle Identification Number (VIN).
364 STARTING AND OPERATING

Gross Vehicle Weight Rating (GVWR)
The GVWR is the total allowable weight of your vehicle.
This includes driver, passengers, and cargo. The total
load must be limited so that you do not exceed the
GVWR.
Tire Size
The tire size on the Vehicle Certification Label represents
the actual tire size on your vehicle. Replacement tires
must be equal to the load capacity of this tire size.
Rim Size
This is the rim size that is appropriate for the tire size
listed.
Inflation Pressure
This is the cold tire inflation pressure for your vehicle, for
all loading conditions.
Curb Weight
The curb weight of a vehicle is defined as the total weight
of the vehicle with all fluids, including vehicle fuel, at full
capacity conditions, and with no occupants or cargo
loaded into the vehicle. The front and rear curb weight
values are determined by weighing your vehicle on a
commercial scale before any occupants or cargo are
added.
Overloading
The load carrying components (springs, tires, wheels,
etc.) of your vehicle will provide satisfactory service as
long as you do not exceed the GVWR.
The best way to figure out the total weight of your
vehicle is to weigh it when it is fully loaded and ready for
operation. Weigh it on a commercial scale to ensure that
it is not over the GVWR.5
STARTING AND OPERATING 365

MAINTAINING YOUR VEHICLE
CONTENTS
Engine Compartment — 2.0L ............. 399
 Engine Compartment — 2.4L ............. 400
 Onboard Diagnostic System — OBD II ...... 401
▫ Loose Fuel Filler Cap Message ........... 401
 Emissions Inspection And Maintenance
Programs ............................ 402
 Replacement Parts ..................... 403
 Dealer Service ........................ 403 
Maintenance Procedures ................. 404
▫ Engine Oil ......................... 405
▫ Engine Oil Filter ..................... 408
▫ Engine Air Cleaner Filter ............... 408
▫ Maintenance-Free Battery .............. 409
▫ Air Conditioner Maintenance ............ 410
▫ Body Lubrication .................... 411
▫ Windshield Wiper Blades ............... 412
▫ Adding Washer Fluid ................. 412
7

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 drivability. 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 or
improperly installed. A “gASCAP” message will be dis-
played in the instrument cluster. Tighten the gas cap until
aclicking sound is heard. This is an indication that the
gas cap is properly tightened. Press the trip odometer
RESET button to turn off the message. If the problem
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MAINTAINING YOUR VEHICLE 401