Jeep Wrangler (2018 year). Manual — part 31
VEHICLE IDENTIFICATION NUMBER
The Vehicle Identification Number (VIN) is found on the
left front corner of the A pillar, visible from outside of the
vehicle through the windshield. This number also appears
underbody, on the right side of the frame rail near the
center of the vehicle, as well as on the Automobile Infor-
mation Disclosure Label affixed to a window on your
vehicle. Save this label for a convenient record of your
vehicle identification number and optional equipment.
The VIN is also stamped on either right or left hand side of
the engine block.
NOTE:
It is illegal to remove or alter the VIN plate.
BRAKE SYSTEM
Your vehicle is equipped with dual hydraulic brake sys-
tems. If either of the two hydraulic systems loses normal
capability, the remaining system will still function. How-
ever, there will be some loss of overall braking effective-
ness. You may notice increased pedal travel during appli-
cation, greater pedal force required to slow or stop, and
potential activation of the Brake Warning Light.
In the event power assist is lost for any reason (i.e.,
repeated brake applications with the engine off) the brakes
will still function. However, the effort required to brake the
vehicle will be much greater than that required with the
power system operating.
WHEEL AND TIRE TORQUE SPECIFICATIONS
Proper lug nut/bolt torque is very important to ensure that
the wheel is properly mounted to the vehicle. Any time a
wheel has been removed and reinstalled on the vehicle, the
lug nuts/bolts should be torqued using a properly cali-
brated torque wrench using a high quality six sided (hex)
deep wall socket.
Vehicle Identification Number
486
TECHNICAL SPECIFICATIONS
Torque Specifications
Lug Nut/Bolt
Torque
**Lug Nut/Bolt
Size
Lug Nut/Bolt
Socket Size
130 Ft-Lbs (176
N·m)
M14 x 1.50
22 mm
**Use only your authorized dealer recommended lug nuts/
bolts and clean or remove any dirt or oil before tightening.
Inspect the wheel mounting surface prior to mounting the
tire and remove any corrosion or loose particles.
Spare Tire Torque Specifications
Lug Nut/Bolt
Torque
**Lug Nut/Bolt
Size
Lug Nut/Bolt
Socket Size
59 Ft-Lbs (80
N·m)
M14 x 1.50
22 mm
Spare tire torque is for the spare tire carrier located on the
tailgate.
Tighten the lug nuts/bolts in a star pattern until each
nut/bolt has been tightened twice. Ensure that the socket is
fully engaged on the lug nut/bolt (do not insert it half-
way).
Wheel Mounting Surface
9
TECHNICAL SPECIFICATIONS
487
After 25 miles (40 km), check the lug nut/bolt torque to be
sure that all the lug nuts/bolts are properly seated against
the wheel.
WARNING!
To avoid the risk of forcing the vehicle off the jack, do
not tighten the lug nuts fully until the vehicle has been
lowered. Failure to follow this warning may result in
personal injury.
FUEL REQUIREMENTS
2.0L Engine
This engine is designed to meet all emis-
sion regulations, and provide satisfac-
tory fuel economy and performance
when using high-quality unleaded
“Regular” gasoline having a posted oc-
tane number of 87 as specified by the
(R+M)/2 method. For optimal perfor-
mance the use of 91 or higher octane “Premium” gasoline
is recommended in these engines.
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 your dealer immedi-
ately. Use of gasoline with a lower than recommended
octane number 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 consider-
ing service for the vehicle.
Torque Patterns
488
TECHNICAL SPECIFICATIONS
3.6L Engine
This engine is designed to meet all emis-
sions regulations and provide excellent
fuel economy and performance when
using high-quality unleaded “Regular”
gasoline having an octane rating of 87 as
specified by the (R+M)/2 method. The
use of higher octane “Premium” gaso-
line will not provide any benefit over “Regular” gasoline in
these engines.
While operating on gasoline with an octane number of 87,
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 your dealer immediately. Use
of gasoline with an octane number lower 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 consider-
ing service for the vehicle.
Reformulated Gasoline
Many areas of the country require the use of cleaner burning
gasoline referred to as “Reformulated Gasoline”. Reformu-
lated gasoline contains oxygenates and are specifically
blended to reduce vehicle emissions and improve air quality.
The use of reformulated gasoline is recommended. Prop-
erly blended reformulated gasoline will provide improved
performance and durability of engine and fuel system
components.
Materials Added To Fuel
Besides using unleaded gasoline with the proper octane
rating, gasolines that contain detergents, corrosion and
stability additives are recommended. Using gasolines that
have these additives will help improve fuel economy,
reduce emissions, and maintain vehicle performance.
Designated TOP TIER Detergent Gaso-
line contains a higher level of detergents
to further aide in minimizing engine
and fuel system deposits. When avail-
able, the usage of Top Tier Detergent
gasoline
is
recommended.
Visit
www.toptiergas.com for a list of TOP
TIER Detergent Gasoline Retailers.
9
TECHNICAL SPECIFICATIONS
489
Indiscriminate use of fuel system cleaning agents should be
avoided. Many of these materials intended for gum and
varnish removal may contain active solvents or similar
ingredients. These can harm fuel system gasket and dia-
phragm materials.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxygen-
ates such as ethanol.
CAUTION!
DO NOT use E-85, gasoline containing methanol, or
gasoline 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).
Problems that result from using gasoline containing more
than 15% ethanol (E-15) or gasoline containing methanol are
not the responsibility of the manufacturer and may void or
not be covered under New Vehicle Limited Warranty.
Do Not Use E-85 In Non-Flex Fuel Vehicles
Non-Flex Fuel Vehicles (FFV) are compatible with gasoline
containing up to 15% ethanol (E-15). Use of gasoline with
higher ethanol content may void the New Vehicle Limited
Warranty.
If a Non-FFV vehicle is inadvertently fueled with E-85 fuel,
the engine will have some or all of these symptoms:
• Operate in a lean mode.
• OBD II “Malfunction Indicator Light” on.
• Poor engine performance.
• Poor cold start and cold drivability.
• Increased risk for fuel system component corrosion.
CNG And LP Fuel System Modifications
Modifications that allow the engine to run on compressed
natural gas (CNG) or liquid propane (LP) may result in
damage to the engine, emissions, and fuel system compo-
nents. Problems that result from running CNG or LP are
not the responsibility of the manufacturer and may void or
not be covered under the New Vehicle Limited Warranty.
490
TECHNICAL SPECIFICATIONS
MMT In Gasoline
Methylcyclopentadienyl Manganese Tricarbonyl (MMT) is
a manganese-containing metallic additive that is blended
into some gasoline to increase octane. Gasoline blended
with MMT provides no performance advantage beyond
gasoline of the same octane number without MMT. Gaso-
line blended with MMT reduces spark plug life and
reduces emissions system performance in some vehicles.
The manufacturer recommends that gasoline without
MMT be used in your vehicle. The MMT content of
gasoline may not be indicated on the gasoline pump;
therefore, you should ask your gasoline retailer whether
the gasoline contains MMT. MMT is prohibited in Federal
and California reformulated gasoline.
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle’s
performance:
• The use of leaded gasoline is prohibited by Federal
law. Using leaded gasoline can impair engine perfor-
mance and damage the emissions control system.
(Continued)
CAUTION! (Continued)
• An out-of-tune engine or certain fuel or ignition
malfunctions can cause the catalytic converter to
overheat. If you notice a pungent burning odor or
some light smoke, your engine may be out of tune or
malfunctioning and may require immediate service.
Contact an authorized dealer for service assistance.
• The use of fuel additives, which are now being sold
as octane enhancers, is not recommended. Most of
these products contain high concentrations of metha-
nol. Fuel system damage or vehicle performance
problems resulting from the use of such fuels or
additives is not the responsibility of the manufac-
turer and may void or not be covered under the New
Vehicle Limited Warranty.
NOTE:
Intentional tampering with the emissions control
system can result in civil penalties being assessed against
you.
9
TECHNICAL SPECIFICATIONS
491
Carbon Monoxide Warnings
WARNING!
Carbon monoxide (CO) in exhaust gases is deadly.
Follow the precautions below to prevent carbon mon-
oxide poisoning:
• Do not inhale exhaust gases. They contain carbon
monoxide, a colorless and odorless gas, which can
kill. Never run the engine in a closed area, such as a
garage, and never sit in a parked vehicle with the
(Continued)
WARNING! (Continued)
engine running for an extended period. If the vehicle
is stopped in an open area with the engine running
for more than a short period, adjust the ventilation
system to force fresh, outside air into the vehicle.
• Guard against carbon monoxide with proper main-
tenance. Have the exhaust system inspected every
time the vehicle is raised. Have any abnormal condi-
tions repaired promptly. Until repaired, drive with
all side windows fully open.
FLUID CAPACITIES
U.S.
Metric
Fuel (Approximate)
Two Door Models
18.5 Gallons
70 Liters
Four Door Models
21.5 Gallons
81 Liters
Engine Oil with Filter
2.0L Engine
5 Quarts
4.73 Liters
3.6L Engine
5 Quarts
4.73 Liters
492
TECHNICAL SPECIFICATIONS
U.S.
Metric
Cooling System *
2.0L Engine (Mopar Antifreeze/Engine Coolant 10 Year/
150,000 Mile Formula or equivalent)
9.9 Quarts
9.4 Liters
2.0L Engine Intercooler without Motor Generator Unit
(MGU) (Mopar Antifreeze/Engine Coolant 10 Year/150,000
Mile Formula or equivalent)
3.2 Quarts
3.0 Liters
2.0L Engine Intercooler with Motor Generator Unit (MGU)
(Mopar Antifreeze/Engine Coolant 10 Year/150,000 Mile
Formula or equivalent)
3.5 Quarts
3.3 Liters
2.0L Battery Coolant (Mopar Antifreeze/Engine Coolant 10
Year/150,000 Mile Formula or equivalent)
2.5 Quarts
2.4 Liters
3.6L Engine (Mopar Antifreeze/Engine Coolant 10 Year/
150,000 Mile Formula or equivalent)
10.7 Quarts
10.1 Liters
3.6L Motor Generator Unit (MGU) (Mopar Antifreeze/
Engine Coolant 10 Year/150,000 Mile Formula or equiva-
lent)
1.9 Quarts
1.8 Liters
3.6L Battery Coolant (Mopar Antifreeze/Engine Coolant 10
Year/150,000 Mile Formula or equivalent)
2.5 Quarts
2.4 Liters
* Includes coolant recovery bottle filled to MAX level.
9
TECHNICAL SPECIFICATIONS
493
FLUIDS AND LUBRICANTS
Engine
Component
Fluid, Lubricant, or Genuine Part
Engine Coolant
We recommend you use Mopar Antifreeze/Coolant 10 Year/
150,000 Mile Formula OAT (Organic Additive Technology) or
equivalent meeting the requirements of FCA Material Standard
MS.90032.
Intercooler/Motor Generator Unit (if equipped)
We recommend you use Mopar Antifreeze/Coolant 10 Year/
150,000 Mile Formula OAT (Organic Additive Technology) or
equivalent meeting the requirements of FCA Material Standard
MS.90032.
Battery Coolant (if equipped)
We recommend you use Mopar Antifreeze/Coolant 10 Year/
150,000 Mile Formula OAT (Organic Additive Technology) or
equivalent meeting the requirements of FCA Material Standard
MS.90032.
Engine Oil — 2.0L Engine
We recommend you use API Certified SAE 5W-30 Fully Syn-
thetic Engine Oil, meeting the requirements of FCA Material
Standard MS-13340 such as Mopar, Pennzoil, and Shell Helix.
Refer to your engine oil filler cap for correct SAE grade.
Engine Oil — 3.6L Engine
We recommend you use API Certified SAE 0W-20 Engine Oil,
meeting the requirements of FCA Material Standard MS-6395
such as Mopar, Pennzoil, and Shell Helix. Refer to your engine
oil filler cap for correct SAE grade.
494
TECHNICAL SPECIFICATIONS
Component
Fluid, Lubricant, or Genuine Part
Engine Oil Filter
We recommend you use Mopar Engine Oil Filter or equivalent.
Spark Plugs
We recommend you use Mopar Spark Plugs.
Fuel Selection — 2.0L Engine
87 Octane Minimum – 91 Octane Recommended, 0-15% Etha-
nol.
Fuel Selection — 3.6L Engine
87 Octane, 0-15% Ethanol.
CAUTION!
• Mixing of engine coolant (antifreeze) other than
specified Organic Additive Technology (OAT) en-
gine coolant (antifreeze), may result in engine dam-
age and may decrease corrosion protection. Organic
Additive Technology (OAT) engine coolant is differ-
ent and should not be mixed with Hybrid Organic
Additive Technology (HOAT) engine coolant (anti-
freeze) or any “globally compatible” coolant (anti-
freeze). If a non-OAT engine coolant (antifreeze) is
introduced into the cooling system in an emergency,
the cooling system will need to be drained, flushed,
and refilled with fresh OAT coolant (conforming to
MS.90032), by an authorized dealer as soon as pos-
sible.
(Continued)
CAUTION! (Continued)
• Do not use water alone or alcohol-based engine
coolant (antifreeze) products. Do not use additional
rust inhibitors or antirust products, as they may not
be compatible with the radiator engine coolant and
may plug the radiator.
• This vehicle has not been designed for use with
propylene glycol-based engine coolant (antifreeze).
Use of propylene glycol-based engine coolant (anti-
freeze) is not recommended.
9
TECHNICAL SPECIFICATIONS
495
Chassis
Component
Fluid, Lubricant, or Genuine Part
Automatic Transmission – If Equipped
Use only Mopar ZF 8&9 Speed ATF Automatic Transmis-
sion Fluid or equivalent. Failure to use the correct fluid
may affect the function or performance of your transmis-
sion.
Manual Transmission – If Equipped
We recommend you use Mopar ATF+4 Automatic Trans-
mission Fluid.
Transfer Case
We recommend you use Mopar ATF+4 Automatic Trans-
mission Fluid.
Axle Differential (Front)
We recommend you use Mopar Gear & Axle Lubricant
(SAE 75W85)(API GL-5)
Axle Differential (Rear)
We recommend you use Mopar Gear & Axle Lubricant
(SAE 75W85)(API GL-5). Models equipped with Trac-Lok
Limited Slip Differential require a friction modifier addi-
tive.
Brake Master Cylinder
We recommend you use Mopar DOT 3 Brake Fluid, SAE
J1703. If DOT 3, SAE J1703 brake fluid is not available, then
DOT 4 is acceptable.
Power Steering Reservoir
We recommend you use Mopar Power Steering Fluid +4,
Mopar ATF+4 Automatic Transmission Fluid.
496
TECHNICAL SPECIFICATIONS
MULTIMEDIA
CONTENTS
䡵 UCONNECT SYSTEMS . . . . . . . . . . . . . . . . . . .499
䡵 DRAG & DROP MENU BAR . . . . . . . . . . . . . . . .499
䡵 CYBERSECURITY . . . . . . . . . . . . . . . . . . . . . . .500
䡵 UCONNECT SETTINGS . . . . . . . . . . . . . . . . . . .501
▫ Customer Programmable Features — Uconnect 3
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .502
▫ Customer Programmable Features — Uconnect 4
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .514
▫ Customer Programmable Features — Uconnect
4/4C NAV Settings. . . . . . . . . . . . . . . . . . . . . .527
䡵 OFF ROAD PAGES — IF EQUIPPED . . . . . . . . . .543
▫ Off Road Pages Status Bar. . . . . . . . . . . . . . . . .544
▫ Drivetrain . . . . . . . . . . . . . . . . . . . . . . . . . . . .545
▫ Pitch And Roll . . . . . . . . . . . . . . . . . . . . . . . . .546
▫ Accessory Gauges . . . . . . . . . . . . . . . . . . . . . .546
䡵 STEERING WHEEL AUDIO CONTROLS . . . . . . .547
▫ Radio Operation. . . . . . . . . . . . . . . . . . . . . . . .548
▫ Media Mode . . . . . . . . . . . . . . . . . . . . . . . . . .548
䡵 AUX/USB/MP3 CONTROL — IF EQUIPPED . . .548
䡵 RADIO OPERATION AND MOBILE PHONES . . .552
▫ Regulatory And Safety Information . . . . . . . . . .552
䡵 UCONNECT VOICE RECOGNITION QUICK
TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .554
▫ Introducing Uconnect . . . . . . . . . . . . . . . . . . . .554
▫ Get Started . . . . . . . . . . . . . . . . . . . . . . . . . . .555
▫ Basic Voice Commands . . . . . . . . . . . . . . . . . . .556
▫ Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .556
▫ Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .558
▫ Phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .560
10
▫ Voice Text Reply . . . . . . . . . . . . . . . . . . . . . . .562
▫ Climate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .563
▫ Navigation (4C NAV) . . . . . . . . . . . . . . . . . . . .565
▫ SiriusXM Guardian (4C/4C NAV)—
If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . . .565
▫ Register (4C/4C NAV) . . . . . . . . . . . . . . . . . . .566
▫ Vehicle Health Report/Alert (4C/4C NAV) . . . . .566
▫ Mobile App (4C/4C NAV) . . . . . . . . . . . . . . . .567
▫ SiriusXM Travel Link (4C NAV). . . . . . . . . . . . .567
▫ Siri Eyes Free — If Equipped . . . . . . . . . . . . . .568
▫ Using Do Not Disturb . . . . . . . . . . . . . . . . . . .569
▫ Android Auto — If Equipped . . . . . . . . . . . . . .569
▫ Apple CarPlay — If Equipped. . . . . . . . . . . . . .571
▫ General Information . . . . . . . . . . . . . . . . . . . . .573
▫ Additional Information . . . . . . . . . . . . . . . . . . .573
䡵 CD/DVD DISC MAINTENANCE . . . . . . . . . . . .573
498
MULTIMEDIA
UCONNECT SYSTEMS
For detailed information about your Uconnect system,
refer to your Uconnect Owner’s Manual Supplement.
NOTE:
Uconnect screen images are for illustration pur-
poses only and may not reflect exact software for your
vehicle.
DRAG & DROP MENU BAR
The Uconnect features and services in the main menu bar
are easily changed for your convenience. Simply follow
these steps:
1. Press the “Apps
” button to open the App screen.
2. Press and hold, then drag the selected App to replace an
existing shortcut in the main menu bar.
The new shortcut will now be an active App/shortcut on
the main menu bar.
Uconnect 4 Apps Menu
Uconnect 4C/4C NAV Apps Menu
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499
CYBERSECURITY
Your vehicle may be a connected vehicle and may be
equipped with both wired and wireless networks. These
networks allow your vehicle to send and receive informa-
tion. This information allows systems and features in your
vehicle to function properly.
Your vehicle may be equipped with certain security fea-
tures to reduce the risk of unauthorized and unlawful
access to vehicle systems and wireless communications.
Vehicle software technology continues to evolve over time
and FCA US LLC, working with its suppliers, evaluates
and takes appropriate steps as needed. Similar to a com-
puter or other devices, your vehicle may require software
updates to improve the usability and performance of your
systems or to reduce the potential risk of unauthorized and
unlawful access to your vehicle systems.
The risk of unauthorized and unlawful access to your
vehicle systems may still exist, even if the most recent
version of vehicle software (such as Uconnect software) is
installed.
WARNING!
• It is not possible to know or to predict all of the
possible outcomes if your vehicle’s systems are
breached. It may be possible that vehicle systems,
including safety related systems, could be impaired
or a loss of vehicle control could occur that may
result in an accident involving serious injury or
death.
• ONLY insert media (e.g., USB, SD card, or CD) into
your vehicle if it came from a trusted source. Media
of unknown origin could possibly contain malicious
software, and if installed in your vehicle, it may
increase the possibility for vehicle systems to be
breached.
• As always, if you experience unusual vehicle behav-
ior, take your vehicle to your nearest authorized
dealer immediately.
500
MULTIMEDIA
NOTE:
• FCA US LLC or your dealer may contact you directly
regarding software updates.
• To help further improve vehicle security and minimize
the potential risk of a security breach, vehicle owners
should:
• Routinely check www.driveuconnect.com/support/
software-update.html (U.S. Residents) or www.driveu-
connect.ca (Canadian Residents) to learn about avail-
able Uconnect software updates.
• Only connect and use trusted media devices (e.g.
personal mobile phones, USBs, CDs).
Privacy of any wireless and wired communications cannot
be assured. Third parties may unlawfully intercept infor-
mation and private communications without your consent.
For further information, refer to ”Data Collection & Pri-
vacy” in your Uconnect Owners Manual Supplement or
Onboard Diagnostic System (OBD II) Cybersecurity” in
“Getting To Know Your Instrument Panel”.
UCONNECT SETTINGS
The Uconnect system uses a combination of buttons on the
touchscreen and buttons on the faceplate located on the
center of the instrument panel that allow you to access and
change the customer programmable features. Many fea-
tures can vary by vehicle.
Buttons on the touchscreen are accessible on the Uconnect
touchscreen.
Buttons on the faceplate are located below, and beside the
Uconnect system in the center of the instrument panel. In
addition, there is a Scroll/Enter control knob located on the
right side. Turn the control knob to scroll through menus
and change settings (i.e., 30, 60, 90), push the center of the
control knob one or more times to select or change a setting
(i.e., ON, OFF).
Your Uconnect system may also have Screen Off and Mute
buttons on the faceplate.
Push the Display Off button on the faceplate to turn off the
Uconnect screen. Push the Display Off button on the
faceplate a second time to turn the screen on.
Push the Back Arrow button on the faceplate to exit out of
a Menu or certain option on the Uconnect system.
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