2023 JEEP WAGONEER washer fluid

SERVICING AND MAINTENANCE315
6.4L ENGINE
1 — Engine Coolant Pressure Cap 5 — Battery
2 — Engine Oil Fill Cap 6 — Engine Air Cleaner Filter
3 — Engine Oil Dipstick 7 — Washer Fluid Reservoir Cap
4 — Brake Fluid Reservoir Cap 8 — Power Distribution Center (Fuses)
8

23_WS_OM_EN_USC_t.book Page 315

316SERVICING AND MAINTENANCE
CHECKING OIL LEVEL — 3.0L ENGINES
The 3.0L engine does not have a traditional “dipstick” and
there is no need to manually check the oil level. If it is
desired to check engine oil level, it can be seen on the
instrument cluster display by navigating to the appropriate
screen under “Vehicle Information”. Use the up or
down arrow buttons within the steering wheel controls
to find the “Vehicle Information” menu. Then use the
right or left arrow buttons until you reach the “Oil
Level” sub-menu.
There is a white bar on the gauge which shows the oil level.
As long as the oil level is between the minimum and the
maximum it is safe to operate the vehicle. If the oil level is
either too high or too low, a red bar will be illuminated.
When the engine is in need of more oil, the Oil Level
Warning Light will illuminate. This warning will appear for
five seconds. Within the next 300 miles (500 km) you
should add 1 quart of manufacturer specified motor oil to
the engine
Úpage 376. This light will reappear every time the engine is started
until a safe level is detected. Continuing to operate the
vehicle without adding oil may result in a critically low oil
level and possible engine damage (see “Critically Low”
below).
NOTE:Use care when filling under hood fluids such as engine oil,
washer fluid, antifreeze, etc. to minimize spillage onto top
of engine. Any excess fluid that is spilled onto the top of
the engine should be removed using compressed air or an
absorbent cloth.
Oil Level Display - How To Refresh After Adding Oil
In vehicles equipped with the 3.0L engine, the oil level is
automatically monitored when the vehicle is parked on a
level surface, the oil is warm, and the engine has been off
four minutes. To refresh the oil level display (after a quart
of the correct oil has been added), follow this process:

Run the engine until the oil temperature is above
120°F (49°C).
 Park the vehicle on relatively level ground. 
Turn the engine off and wait four minutes. If you choose
to stay in the vehicle and want to listen to the radio
while waiting, it is acceptable to have the ignition
switch in any position (OFF or ON/RUN) as long as the
engine is not running.
 Start the engine and the new oil level will be available
in the Vehicle Information menu (accessible via the
navigation buttons on the steering wheel).
NOTE:
If the level indication is not updated after the previously
described procedure, repeat. The oil level measure -
ment is made every time the engine has been turned
off (after being warmed up) and on a level surface. If
you do not get a “new” reading after adding oil, find a
more “level” surface to measure. Most parking lots and
gas stations are sufficiently level, some driveways are
not.
 If you have added a quart of oil and the indicator is not
reading 3/4 or full, please contact an authorized dealer
for service.
Oil Level Critically Low
(Add 2 Quarts)
Oil Level Low (Add 1 Quart)
Oil Level Ok
Oil Level Critically High
WARNING!
Be aware the oil cap may be hot. Please use suitable
gloves. WARNING: risk of burns!
CAUTION!
Do not to add too much oil. Overfilling the oil may
damage the engine.

23_WS_OM_EN_USC_t.book Page 316

SERVICING AND MAINTENANCE317
NOTE:
After adding oil to the engine, always reinstall the oil
cap securely by rotating clockwise until it stops. Never
run the engine without the oil fill cap as this could
cause an oil leak.
 Because the oil level is automatically detected only
when the engine has been off and restarted (after four
minutes), the system cannot immediately detect a
sudden drop in oil level while driving (for example, if the
oil pan starts to leak due to damage during an off-road
event).
CHECKING OIL LEVEL — 5.7L & 6.4L
E
NGINES
To ensure proper engine lubrication, the engine oil must
be maintained at the correct level. Check the oil level at
regular intervals, such as every fuel stop. The best time to
check the engine oil level is about five minutes after a fully
warmed up engine is shut off.
Checking the oil while the vehicle is on level ground will
improve the accuracy of the oil level readings.
There are four possible dipstick types:
 Crosshatched zone.
 Crosshatched zone marked SAFE.
 Crosshatched zone marked with MIN at the low end of
the range and MAX at the high end of the range.
 Crosshatched zone marked with dimples at the MIN
and the MAX ends of the range.
NOTE:Always maintain the oil level within the crosshatch
markings on the dipstick.
Adding 1 qt (1 L) of oil when the reading is at the low end
of the dipstick range will raise the oil level to the high end
of the range marking.
ADDING WASHER FLUID
The instrument cluster display will indicate when the
washer fluid level is low. When the sensor detects a low
fluid level, the Low Washer Fluid Warning Light will turn on
and the "Washer Fluid Low" message will be displayed.
The fluid reservoir for the windshield washers and the rear
window washer is shared. The fluid reservoir is located in
the engine compartment, be sure to check the fluid level
at regular intervals. Fill the reservoir with windshield
washer solvent only (not radiator antifreeze). When
refilling the washer fluid reservoir, take some washer fluid
and apply it to a cloth or towel and wipe clean the wiper
blades, this will help blade performance. To prevent
freeze-up of your windshield washer system in cold
weather, select a solution or mixture that meets or
exceeds the temperature range of your climate. This rating
information can be found on most washer fluid containers.
NOTE:Use care when filling under hood fluids such as engine oil,
washer fluid, antifreeze, etc. to minimize spillage onto top
of engine. Any excess fluid that is spilled onto the top of
the engine should be removed using compressed air or an
absorbent cloth.
CAUTION!
If the “Critically Low or Critically High” Oil Level Warning
Light is illuminated, the following steps should be
taken:
Critically Low: add two quarts of manufacturer speci -
fied oil as soon as possible
Úpage 376. Continuing
to operate the vehicle with “Critically Low” oil level
may damage the engine.
 Critically High: contact an authorized dealer for
service. Continuing to operate the vehicle with “Criti -
cally High” oil level may damage the engine.
Do not use any oils that are not manufacturer specified
and API approved.
Used engine oil and oil filters contain substances which
are harmful to the environment. When oil and filters are
changed contact an authorized dealer and dispose of in
a safe and responsible manner.
WARNING!
Commercially available windshield washer solvents are
flammable. They could ignite and burn you. Care must
be exercised when filling or working around the washer
solution.
8

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318SERVICING AND MAINTENANCE
MAINTENANCE-FREE BATTERY
Your vehicle is equipped with a maintenance-free battery.
Water will never have to be added, and periodic
maintenance is not required.
PRESSURE WASHING
Cleaning the engine compartment with a high pressure
washer is not recommended.
VEHICLE MAINTENANCE
An authorized dealer has the qualified service personnel,
special tools, and equipment to perform all service
operations in an expert manner. Service Manuals are
available which include detailed service information for
your vehicle. Refer to these Service Manuals before
attempting any procedure yourself.
NOTE:Intentional tampering with emissions control systems may
void your warranty and could result in civil penalties being
assessed against you.
WARNING!
Battery fluid is a corrosive acid solution and can burn
or even blind you. Do not allow battery fluid to
contact your eyes, skin, or clothing. Do not lean over
a battery when attaching clamps. If acid splashes in
eyes or on skin, flush the area immediately with large
amounts of water. Refer to Jump Starting Procedure
Úpage 301.
 Battery gas is flammable and explosive. Keep flame
or sparks away from the battery. Do not use a
booster battery or any other booster source with an
output greater than 12 Volts. Do not allow cable
clamps to touch each other.
 Battery posts, terminals, and related accessories
contain lead and lead compounds. Wash hands after
handling.
CAUTION!
It is essential when replacing the cables on the
battery that the positive cable is attached to the posi -
tive post and the negative cable is attached to the
negative post. Battery posts are marked positive (+)
and negative (-) and are identified on the battery
case. Cable clamps should be tight on the terminal
posts and free of corrosion.
 If a “fast charger” is used while the battery is in the
vehicle, disconnect both vehicle battery cables
before connecting the charger to the battery. Do not
use a “fast charger” to provide starting voltage.
CAUTION!
Precautions have been taken to safeguard all parts and
connections however, the pressures generated by these
machines is such that complete protection against
water ingress cannot be guaranteed.
WARNING!
You can be badly injured working on or around a motor
vehicle. Only do service work for which you have the
knowledge and the proper equipment. If you have any
doubt about your ability to perform a service job, take
your vehicle to a competent mechanic.

23_WS_OM_EN_USC_t.book Page 318

324SERVICING AND MAINTENANCE
WINDSHIELD WIPER BLADES
Clean the rubber edges of the wiper blades and the
windshield periodically with a sponge or soft cloth and a
mild nonabrasive cleaner. This will remove accumulations
of salt or road film.
Operation of the wipers on dry glass for long periods may
cause deterioration of the wiper blades. Always use
washer fluid when using the wipers to remove salt or dirt
from a dry windshield.
Avoid using the wiper blades to remove frost or ice from
the windshield. Keep the blade rubber out of contact with
petroleum products such as engine oil, gasoline, etc.
NOTE:Life expectancy of wiper blades varies depending on
geographical area and frequency of use. Poor perfor -
mance of blades may be present with chattering, marks,
water lines or wet spots. If any of these conditions are
present, clean the wiper blades or replace as necessary.
The wiper blades and wiper arms should be inspected
periodically, not just when wiper performance problems
are experienced. This inspection should include the
following points:
 Wear or uneven edges
 Foreign material
 Hardening or cracking
 Deformation or fatigue If a wiper blade or wiper arm is damaged, replace the
affected wiper arm or blade with a new unit. Do not
attempt to repair a wiper arm or blade that is damaged.
Front Wiper Blade Removal/Installation

1. Lift the front wiper arm upward to raise the wiper
blade off of the windshield.

2. Push the release button on the arm of the wiper blade.
3. Push the wiper blade up and remove it.

Wiper Arm And Blade

4. Install the wiper blade and firmly push the wiper blade until it snaps into place.
Rear Wiper Blade Removal/Installation

1. Lift the rear wiper arm fully off the glass.

Wiper Blade In Folded Out Position

2. To remove the wiper blade from the wiper arm, grab the bottom end of the wiper blade nearest to wiper
arm with your left hand. With your right hand, hold the
wiper arm as you pull the wiper blade away from the
wiper arm past its stop (far enough to unsnap the
wiper blade pivot from the receptacle on the end of
the wiper arm).
NOTE:
Resistance will be accompanied by an audible
snap.
 The wiper arm does not stay in the service up
position.
1 — Wiper Blade
2 — Release Button
3 — Wiper Arm
1 — Wiper Arm
2 — Wiper Blade

23_WS_OM_EN_USC_t.book Page 324

SERVICING AND MAINTENANCE327
Adding Coolant
Your vehicle has been built with an improved engine
coolant (OAT coolant conforming to MS.90032) that
allows extended maintenance intervals. This engine
coolant (antifreeze) can be used up to 10 years or
150,000 miles (240,000 km) before replacement. To
prevent reducing this extended maintenance period, it is
important to use the same engine coolant (OAT coolant
conforming to MS.90032) throughout the life of your
vehicle.
Please review these recommendations for using Organic
Additive Technology (OAT) engine coolant that meets the
requirements of the manufacturer Material Standard
MS.90032. When adding engine coolant:
We recommend using Mopar® Antifreeze/Coolant
10 Year/150,000 Mile (240,000 km) Formula OAT
that meets the requirements of the manufacturer
Material Standard MS.90032.
 Mix a minimum solution of 50% OAT engine coolant
that meets the requirements of the manufacturer
Material Standard MS.90032 and distilled water. Use
higher concentrations (not to exceed 70%) if tempera -
tures below −34°F (−37°C) are anticipated. Please
contact an authorized dealer for assistance.
 Use only high purity water such as distilled or deionized
water when mixing the water/engine coolant solution.
The use of lower quality water will reduce the amount
of corrosion protection in the engine cooling system.
NOTE:
It is the owner's responsibility to maintain the proper
level of protection against freezing according to the
temperatures occurring in the area where the vehicle is
operated.
 Use care when filling under hood fluids such as engine
oil, washer fluid, antifreeze, etc. to minimize spillage
onto top of engine. Any excess fluid that is spilled onto
the top of the engine should be removed using
compressed air or an absorbent cloth.
 Some vehicles require special tools to add coolant
properly. Failure to fill these systems properly could
lead to severe internal engine damage. If any coolant is
needed to be added to the system, please contact a
local authorized dealer.
 Mixing engine coolant types is not recommended and
can result in cooling system damage. If HOAT and OAT
coolant are mixed in an emergency, have an authorized
dealer drain, flush, and refill with OAT coolant
(conforming to MS.90032) as soon as possible.
Cooling System Pressure Cap
The cap must be fully tightened to prevent loss of engine
coolant (antifreeze), and to ensure that engine coolant will
return to the radiator from the coolant expansion bottle/
recovery tank (if equipped).
The cap should be inspected and cleaned if there is any
accumulation of foreign material on the sealing surfaces.
Disposal Of Used Coolant
Used ethylene glycol-based coolant (antifreeze) is a
regulated substance requiring proper disposal. Check with
your local authorities to determine the disposal rules for
your community. To prevent ingestion by animals or
children, do not store ethylene glycol-based coolant in
open containers or allow it to remain in puddles on the
ground, clean up any ground spills immediately. If
ingested by a child or pet, seek emergency assistance
immediately.
WARNING!
Do not open a hot engine cooling system. Never add
engine coolant (antifreeze) when the engine is over -
heated. Do not loosen or remove the cap to cool an
overheated engine. Heat causes pressure to build up
in the cooling system. To prevent scalding or injury,
do not remove the pressure cap while the system is
hot or under pressure.
 Do not use a pressure cap other than the one speci -
fied for your vehicle. Personal injury or engine
damage may result.
8

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386H
Hazard Warning Flashers ............................................ 290
Head Restraints .............................................................. 44
Head Up Display ........................................................... 105 Head Up Display (HUD
) — If Equipped
b
................106
Headlights
Automatic ...................................................................58
Cleaning................................................................... 368
High Beam/Low Beam Select Switch .......................58
Lights On Reminder ...................................................59
On With Wipers ..........................................................59
Passing ....................................................................... 58
Heads Up Display ......................................................... 105
Heated Mirrors ................................................................53 Heated Seats...................................................................43
Heated Steering Wheel...................................................31Heater, Engine Block ................................................... 122
Hill Descent Control ..................................................... 243
Hill Descent Control Indicator ..................................... 243
Hill Start Assist ............................................................. 244
Hitches Trailer Towing .......................................................... 182
HomeLink (Garage Door Opener) ..................................53
Hood Prop ........................................................................85 Hood Release ..................................................................85
IIgnition .............................................................................20 Key Fob Battery Low Or Dead ...................................20
Key Fob Not Detected ...............................................20
Keyless Ignition..........................................................20
Keyless Push Button .................................................20
Push Button Ignition ..................................................20
Switch .........................................................................20 Immobilizer (Sentry Key) ................................................ 20
Inside Rearview Mirror ..........................................50
, 290
Instrument Cluster ............................................ 96, 98, 99
Display........................................................................ 99
Menu Items .............................................................. 104
Instrument Panel Lens Cleaning ................................. 370
Integrated Trailer Brake Control ..................................186
Interior And Instrument Lights ....................................... 60 Interior Appearance Care ............................................. 369
Interior Lights .................................................................. 60
Interior Monitoring Camera ..........................................171
Intermittent Wipers (Delay Wipers) ............................... 62Inverter Power ......................................................................... 80
JJack Location ................................................................ 294
Jack Operation .............................................................. 296
Jacking And Tire Changing Instructions ...................... 293
Jacking Instructions ...................................................... 296
Jump Starting ................................................................ 300
KKey FobArm The System......................................................... 24
Disarm The System ................................................... 24
Programming Additional Key Fobs ........................... 20
Key Fob Battery Service (Remote Keyless Entry) ......... 18
Key Fob Programming (Remote Keyless Entry) ............ 20
Keyless Enter 'n Go™ ...................................................119 Passive Entry ............................................................. 27
Passive Entry Programming ...................................... 27 Keys ................................................................................. 16
Replacement ............................................................. 20
Sentry (Immobilizer) .................................................. 20
Know & Go ¹ ......................................................................9
LLane Change Assist ........................................................ 60 Lap/Shoulder Belts ...................................................... 258
Latches ......................................................................... 289 Hood........................................................................... 85
Lead Free Gasoline ...................................................... 372
Leaks, Fluid................................................................... 289
Life Of Tires ................................................................... 359
Liftgate ............................................................................ 86 Closing ....................................................................... 86
Hands-Free ................................................................ 87
Opening............................................................... 86
, 87
Liftgate Window Wiper/Washer .................................... 64
Light Bulbs .................................................................... 289
Lights ............................................................................. 289 Air Bag............................................................. 265
, 287
Ambient...................................................................... 62
Automatic Headlights ............................................... 58
Brake Assist Warning.............................................. 243
Brake Warning......................................................... 109
Bulb Replacement .................................................. 349
Cargo.......................................................................... 89
Cruise ....................................................................... 116
Daytime Running....................................................... 58
Dimmer Switch, Headlight ................................. 57
, 61
Electronic Stability Program(ESP) Indicator .......... 110
Exterior.............................................................. 57
, 289

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391
Trailer Towing ............................................................... 178Hitches .................................................................... 182
Minimum Requirements ........................................ 185
Tips .......................................................................... 189
Trailer And Tongue Weight ..................................... 185
Wiring....................................................................... 188
Trailer Weight ............................................................... 182
Transfer Case ............................................................... 330 Fluid ......................................................................... 377
Maintenance ........................................................... 330
Transmission ................................................................ 126 Automatic ....................................................... 126
, 329
Fluid ......................................................................... 377
Maintenance ........................................................... 329
Shifting .................................................................... 125
Transporting Pets ......................................................... 287
Tread Wear Indicators ................................................. 359
Turn Signals.................................................................. 116
UUconnect ....................................................................... 196
Uconnect Settings ........................................................ 197 Customer Programmable Features ................... 27
, 30
Passive Entry Programming ............................... 27, 30
Uniform Tire Quality Grades ......................................... 366 Universal Garage Door Opener (Home
Link®)
b
.....53
Unleaded Gasoline ....................................................... 372
Untwisting Procedure, Seat Belt ..................................260
USB Ports ........................................................................ 76
VVanity Mirrors .................................................................. 50
Vehicle Identification Number (VIN) ............................ 371
Vehicle Loading................................................... 178
, 354
Vehicle Maintenance ....................................................318
Vehicle Modifications/Alterations ................................. 10
Vehicle Security Alarm .................................................... 24 Vehicle Settings ............................................................197
Vehicle Storage ............................................................. 368
Voice Command.............................................................. 48
Voice Recognition System (VR) ...................................... 48
WWarning Flashers, Hazard............................................ 290
Warning Lights (Instrument Cluster Descriptions) ..... 112
Warnings, Roll Over ........................................................ 10Warranty Information ................................................... 380
Washers, Windshield ............................................ 62
, 317
Washing Vehicle ........................................................... 368
Wheel And Wheel Tire Care ......................................... 362
Wheel And Wheel Tire Trim.......................................... 362
Wind Buffeting ................................................................ 83
Window Fogging ............................................................. 72
Windows.......................................................................... 82 Power ......................................................................... 82
Reset Auto-Up............................................................ 82
Windshield Defroster ................................................... 288
Windshield Washers ............................................. 62
, 317
Fluid ......................................................................... 317
Windshield Wiper Blades ............................................. 324
Windshield Wipers.......................................................... 62
Wipers Blade Replacement ......................................... 324
Wipers, Intermittent ....................................................... 62 Wipers, Rain Sensitive ................................................... 63
Wireless Charging Pad ................................................... 81
11

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