2021 JEEP WRANGLER UNLIMITED ignition

IN CASE OF EMERGENCY
208
(Continued)
Four–Wheel Drive Models
The manufacturer recommends towing with
all wheels OFF the ground. Acceptable
methods are to tow the vehicle on a flatbed
or with one end of the vehicle raised and the
opposite end on a towing dolly.
If flatbed equipment is not available and the
transfer case is operable, the vehicle may be
towed (in the forward direction, with ALL
wheels on the ground), IF the transfer case is
in NEUTRAL (N) and the transmission is in
PARK (P). Refer to “Recreational Towing” in
“Starting And Operating” for detailed
instructions.
Without The Key Fob
Special care must be taken when the vehicle
is towed with the ignition in the OFF mode.
The only approved method of towing without
the key fob is with a flatbed truck. Proper
towing equipment is necessary to prevent
damage to the vehicle.
Tow Eye Usage
Your vehicle is equipped with a tow eye that
can be used to move a disabled vehicle.
When using a tow eye be sure to follow the
“Tow Eye Usage Precautions” and the
“Towing A Disabled Vehicle” instructions in
this section.
The tow eyes are mounted below the front
and rear bumpers.
Front Tow Eye Rear Tow Eye
Tow Eye Usage Precautions
CAUTION!
Front or rear wheel lifts must not be used
(if the remaining wheels are on the
ground). Internal damage to the trans-
mission or transfer case will occur if a
front or rear wheel lift is used when
towing.
Towing this vehicle in violation of the
above requirements can cause severe
transmission and/or transfer case
damage. Damage from improper towing
is not covered under the New Vehicle
Limited Warranty.
WARNING!
Stand clear of vehicles when pulling with
tow eyes.
Do not use a chain with a tow eye. Chains
may break, causing serious injury or
death.
Do not use a tow strap with a tow eye.
Tow straps may break or become disen -
gaged, causing serious injury or death.
Failure to follow proper tow eye usage
may cause components to break
resulting in serious injury or death.
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229
(Continued)
Under normal operating conditions, the cata-
lytic converter will not require maintenance.
However, it is important to keep the engine
properly tuned to ensure proper catalyst
operation and prevent possible catalyst
damage.
NOTE:
Intentional tampering with emissions control
systems can result in civil penalties being
assessed against you.
In unusual situations involving grossly
malfunctioning engine operation, a
scorching odor may suggest severe and
abnormal catalyst overheating. If this occurs,
stop the vehicle, turn off the engine and
allow it to cool. Service, including a tune-up
to manufacturer's specifications, should be
obtained immediately.
To minimize the possibility of catalytic
converter damage:
Do not interrupt the ignition when the
transmission is in gear and the vehicle is
in motion.
Do not try to start the vehicle by pushing
or towing the vehicle.
Do not idle the engine with any ignition
components disconnected or removed,
such as when diagnostic testing, or for
prolonged periods during very rough idle or
malfunctioning operating conditions.
Cooling System

A hot exhaust system can start a fire if you
park over materials that can burn. Such
materials might be grass or leaves coming
into contact with your exhaust system. Do not
park or operate your vehicle in areas where
your exhaust system can contact anything
that can burn.

CAUTION!

The catalytic converter requires the use of
unleaded fuel only. Leaded gasoline will
destroy the effectiveness of the catalyst as an
emissions control device and may seriously
reduce engine performance and cause
serious damage to the engine.
Damage to the catalytic converter can result
if your vehicle is not kept in proper operating
condition. In the event of engine malfunc -
tion, particularly involving engine misfire or
other apparent loss of performance, have your
vehicle serviced promptly. Continued opera-
tion of your vehicle with a severe malfunction
could cause the converter to overheat,
resulting in possible damage to the converter
and vehicle.

WARNING! (Continued)
WARNING!
You or others can be badly burned by hot
engine coolant (antifreeze) or steam
from your radiator. If you see or hear
steam coming from under the hood, do
not open the hood until the radiator has
had time to cool. Never open a cooling
system pressure cap when the radiator or
coolant bottle is hot.
Keep hands, tools, clothing, and jewelry
away from the radiator cooling fan when
the hood is raised. The fan starts auto-
matically and may start at any time,
whether the engine is running or not.
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SERVICING AND MAINTENANCE
230(Continued)
Coolant Checks
Check the engine and, intercooler (if
equipped) coolant (antifreeze) protection
every 12 months (before the onset of
freezing weather, where applicable). If the
engine and, intercooler (if equipped) is dirty
or rusty in appearance, the system should be
drained, flushed and refilled with fresh OAT
coolant (conforming to MS.90032) by an
authorized dealer. Check the front of the A/C
condenser (if equipped) or radiator for any
accumulation of bugs, leaves, etc. If dirty,
clean by gently spraying water from a garden
hose vertically down the face of the A/C
condenser (if equipped) or the back of the
radiator core.Check the engine and, intercooler (if
equipped) cooling system hoses for brittle
rubber, cracking, tears, cuts, and tightness
of the connection at the coolant recovery
bottle and radiator. Inspect the entire system
for leaks. DO NOT REMOVE THE COOLANT
PRESSURE CAP WHEN THE COOLING
SYSTEM IS HOT.
Brake System
In order to ensure brake system perfor
-
mance, all brake system components should
be inspected periodically. Refer to the
“Maintenance Plan” in this section for the
proper maintenance intervals.
Fluid Level Check — Brake Master Cylinder
The fluid level of the master cylinder should
be checked whenever the vehicle is serviced,
or immediately if the brake system warning
light is on. If necessary, add fluid to bring
level within the designated marks on the side
of the reservoir of the brake master cylinder.
Be sure to clean the top of the master
cylinder area before removing cap. With disc
brakes, fluid level can be expected to fall as
the brake pads wear. Brake fluid level should
be checked when pads are replaced. If the
brake fluid is abnormally low, check the
system for leaks.
Refer to “Fluids And Lubricants” in “Tech -
nical Specifications” for further information.When working near the radiator cooling
fan, turn the ignition to the OFF mode.
The fan is temperature controlled and
can start at any time the ignition is in the
ON mode.
WARNING! (Continued)
WARNING!
Riding the brakes can lead to brake failure
and possibly a collision. Driving with your
foot resting or riding on the brake pedal
can result in abnormally high brake
temperatures, excessive lining wear, and
possible brake damage. You would not
have your full braking capacity in an
emergency. WARNING!
Use only manufacturer's recommended
brake fluid. Refer to “Fluids And Lubri -
cants” in “Technical Specifications” for
further information. Using the wrong
type of brake fluid can severely damage
your brake system and/or impair its
performance. The proper type of brake
fluid for your vehicle is also identified on
the original factory installed hydraulic
master cylinder reservoir.
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241
Tire Rotation Recommendations
The tires on the front and rear of your vehicle
operate at different loads and perform
different steering, handling, and braking
functions. For these reasons, they wear at
unequal rates.
These effects can be reduced by timely rota-
tion of tires. The benefits of rotation are
especially worthwhile with aggressive tread
designs such as those on On/Off Road type
tires. Rotation will increase tread life, help to
maintain mud, snow, and wet traction levels,
and contribute to a smooth, quiet ride. Refer to the “Maintenance Plan” for the
proper maintenance intervals. The reasons
for any rapid or unusual wear should be
corrected prior to rotation being performed.
The suggested rotation method is the “rear
-
ward-cross” shown in the following diagram.
Tire Rotation (Rearward Cross)
STORING THE VEHICLE

Observe the traction device manufacturer’s
instructions on the method of installation,
operating speed, and conditions for use.
Always use the suggested operating speed
of the device manufacturer’s if it is less
than 30 mph (48 km/h).

Do not use traction devices on a compact
spare tire.
CAUTION! (Continued)
CAUTION!
Proper operation of four-wheel drive
vehicles depends on tires of equal size,
type and circumference on each wheel.
Any difference in tire size can cause
damage to the transfer case. Tire rotation
schedule should be followed to balance
tire wear.
WARNING!
Take care to avoid the radiator cooling
fan whenever the hood is raised. It can
start anytime the ignition switch is ON.
You can be injured by moving fan blades.
Remove any metal jewelry such as rings,
watch bands and bracelets that could
make an inadvertent electrical contact.
You could be seriously injured.
Vehicles with the Stop/Start system will
be equipped with two batteries. Both the
main and the supplemental batteries
must be disconnected to completely
de-energize the 12 Volt electrical
system.
Serious injury or death could result if you
do not disconnect both batteries. To
learn how to properly disconnect, see
your authorized dealer.
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MULTIMEDIA
264
Loudness — If Equipped
Press the On button on the touchscreen to
activate Loudness. Press the Off button to
deactivate this feature. When Loudness is
On, the sound quality at lower volumes
improves.
AUX Volume Offset
Press the AUX Volume Offset button on
the touchscreen to activate the AUX
Volume Offset screen. The AUX Volume
Offset is adjusted by pressing the + and –
buttons. This alters the AUX input audio
volume. The level value, which spans
between plus or minus three, is displayed
above the adjustment bar.
Auto Play
Press the Auto Play button on the touch -
screen to activate the Auto Play screen.
The Auto Play feature has two settings
“On” and “Off”. With Auto Play On, music
begins playing from a connected device,
immediately after it is connected to the
radio. Auto On Radio — If Equipped
The Radio turns on always when the igni
-
tion is ON/RUN regardless if the radio was
turned Off or On in the last ignition Off
state OR will recall whether it was On or
Off at the last ignition state.
Radio Off With Door — If Equipped
Press the Radio Off With Door button on
the touchscreen to activate the Radio Off
With Door screen. The Radio Off With Door
feature, when activated, keeps the radio
on until the driver or passenger door is
opened or when the Radio Off Delay
selected time has expired.
Drag & Drop Menu Bar
The Uconnect features and services in the
main menu bar are easily changed for your
convenience. Simply follow these steps:
Uconnect 4 Main Menu
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 app shortcut, that was dragged
down onto the main menu bar, will now be an
active App/shortcut.
NOTE:
This feature is only available if the vehicle is
in PARK (P).
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287
The hands-free calling feature is made
possible through Bluetooth® technology —
the global standard that enables different
electronic devices to connect to each other
wirelessly.
If the Uconnect Phone button exists on
your steering wheel, you then have the Ucon-
nect Phone features.
NOTE:
The Uconnect Phone requires a mobile
phone equipped with the Bluetooth®
Hands-Free Profile, Version 1.0 or higher.
Most mobile phones/devices are compat -
ible with the Uconnect system, however
some mobile phones/devices may not be
equipped with all of the required features
to utilize all of the Uconnect system
features.
For Uconnect Customer Care:
Visit: DriveUconnect.eu or visit an
authorized dealer
Pairing (Wirelessly Connecting) Your
Mobile Phone To The Uconnect System
Mobile phone pairing is the process of estab -
lishing a wireless connection between a
cellular phone and the Uconnect system.
NOTE:
To use the Uconnect Phone feature, you
first must determine if your mobile phone
and software are compatible with the
Uconnect system. Please visit
www.DriveUconnect.eu or an authorized
dealer for complete mobile phone compat -
ibility information.
Mobile phone pairing is not available while
the vehicle is in motion.
A maximum of 10 mobile phones can be
paired to the Uconnect system. Start Pairing Procedure On The Radio
Uconnect 3 With 5-inch Display:
Uconnect 3
1. Place the ignition in the ACC or ON/RUN position.
2. Press the Phone button.
3. Select “Settings”.
4. Select “Paired Phones”.
5. Select “Add device”.
Uconnect Phone will display an “In
progress” screen while the system is
connecting.
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MULTIMEDIA
288
Uconnect 4 With 7-inch Display:Uconnect 4
1. Place the ignition in the ACC or ON/RUN position.
2. Press the Phone button in the Menu Bar on the touchscreen. A message will
display asking “No phone connected. Do
you want to pair a phone?” Select Yes.
3. After selecting “Yes”, go through the steps to pair your phone using your Blue -
tooth® connectivity.
4. Once pairing is successful, a message will display asking, “Make this your
Favorite?” Then select Yes or No. Uconnect 4/4 NAV With 8.4-inch Display:
Uconnect 4/4 NAV
1. Place the ignition in the ACC or ON/RUN position.
2. Tap the Phone icon in the Menu Bar on the touchscreen.

If no phone is connected to the vehicle, amessage will display asking to pair aphone. Select Yes to this message. Afterpressing Yes, the radio prompts will take
you through the steps to connect your phone via Bluetooth®.

Uconnect Phone will display an “In prog -
ress” screen while the system is connecting.
A message will display if pairing is
successful. Click “OK” to this message.
Phone pairing can also be accessed by:
1. Place the ignition in the ACC or ON/RUN
position.
2. Press the Apps button in the Menu Bar on the touchscreen.
3. Press “Settings”.
4. Press “Phone/Bluetooth®”.
5. Press “Paired Phones and Audio Devices”
6. Press “Add Devices”
Then, proceed to follow on-screen instruc -
tions to pair phone with vehicle.
NOTE:
Uconnect Phone will display an “In prog -
ress” screen while the system is connecting.
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293
To listen to incoming text messages, or any
messages currently on the mobile phone,
select the Messages menu and press the
Listen button next to the message you want
to listen to.
NOTE:
Only incoming text messages received during
the current ignition cycle can be viewed/
read.
To Enable Incoming Text Messaging:
iPhone®
1. Press the Settings button on the mobile phone.
2. Select “Bluetooth®”.
Ensure Bluetooth® is enabled, and the
mobile phone is paired to the Ucon-
nect system.
3. Select located under Devices next to Uconnect.
4. Turn “Show Notifications” to on. Enable iPhone® Incoming Text Messages
Android™ Devices
1. Push the Menu button on the mobile phone.
2. Select “Settings”.
3. Select “Connections”. 4. Turn “Show Notifications” to on.
A pop-up will appear asking you to
accept a request for permission toconnect to your messages. Select“Don’t ask again” and press OK.
Enable Android™ Device Incoming Text Messages
NOTE:
All incoming text messages received during
the current ignition cycle will be deleted
from the Uconnect system when the ignition
is turned to the OFF position.
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