2020 JEEP WRANGLER UNLIMITED charging

GETTING TO KNOW YOUR INSTRUMENT PANEL
66

Vehicles equipped with the Anti-Lock Brake
System (ABS) are also equipped with Electronic
Brake Force Distribution (EBD). In the event of an
EBD failure, the Brake Warning Light will turn on
along with the ABS Light. Immediate repair to the
ABS system is required.

Operation of the Brake Warning Light can be
checked by turning the ignition switch from
the OFF position to the ON/RUN position.
The light should illuminate for approximately
four seconds. The light should then turn off
unless the parking brake is applied or a brake
fault is detected. If the light does not illumi-
nate, have the light inspected by an autho -
rized dealer.
The light also will turn on when the parking
brake is applied with the ignition switch in
the ON/RUN position.
NOTE:
This light shows only that the parking brake
is applied. It does not show the degree of
brake application.
— Battery Charge Warning Light

This warning light will illuminate when the battery
is not charging properly. If it stays on while the
engine is running, there may be a malfunction with the charging system. Contact an authorized
dealer as soon as possible.

This indicates a possible problem with the
electrical system or a related component.
— Door Open Warning Light
This indicator will illuminate when a door is
ajar/open or not fully closed.
NOTE:
If the vehicle is moving, there will also be a
single chime.
— Electric Power Steering Fault Warning
Light
This warning light will turn on when there's a
fault with the Electric Power Steering (EPS)
system. Refer to “Electric Power Steering” in
“Starting And Operating” in the Owner’s
Manual for further information.
— Electronic Throttle Control (ETC)
Warning Light
This warning light will illuminate to indicate
a problem with the Electronic Throttle
Control (ETC) system. If a problem is
detected while the vehicle is running, the
light will either stay on or flash depending on
the nature of the problem. Cycle the ignition
when the vehicle is safely and completely
stopped and the transmission is placed in
the PARK (P) position. The light should turn
off. If the light remains on with the vehicle
running, your vehicle will usually be drive -
able; however, see an authorized dealer for
service as soon as possible.
NOTE:
This light may turn on if the accelerator and
brake pedals are pressed at the same time.

If the light continues to flash when the vehicle is
running, immediate service is required and you
may experience reduced performance, an
elevated/rough idle, or engine stall and your
vehicle may require towing. The light will come on
when the ignition is placed in the ON/RUN or
ACC/ON/RUN position and remain on briefly as a
bulb check. If the light does not come on during
starting, have the system checked by an
authorized dealer.

WARNING!
Continued operation with reduced assist
could pose a safety risk to yourself and
others. Service should be obtained as soon
as possible.
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IN CASE OF EMERGENCY
202
NOTE:
Never use a fast battery charger to start the
engine, as this could damage the electronic
systems of your vehicle, particularly the igni-
tion and engine fuel supply control units.
1. Apply the parking brake, shift the auto -
matic transmission into PARK and turn
the ignition OFF.
2. Turn off the heater, radio, and all unnec -
essary electrical accessories.
3. If using another vehicle to jump start the battery, park the vehicle within the
jumper cable’s reach, apply the parking
brake and make sure the ignition is OFF.Jump Starting Procedure
NOTE:
Make sure at all times that unused ends of
jumper cables are not contacting each other
or either vehicle while making connections. Connecting The Jumper Cables
Jumper Cable Connections
1. Connect the positive (+) end of the
jumper cable to the remote positive (+)
post of the discharged vehicle.
2. Connect the opposite end of the positive (+) jumper cable to the positive (+) post
of the booster battery.
3. Connect the negative end (-) of the
jumper cable to the negative (-) post of
the booster battery.
WARNING!
Do not allow vehicles to touch each other
as this could establish a ground
connection and personal injury could
result.
WARNING!
Failure to follow this jump starting
procedure could result in personal injury or
property damage due to battery explosion.
CAUTION!
Failure to follow these procedures could
result in damage to the charging system of
the booster vehicle or the discharged
vehicle.
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203

4. Connect the opposite end of the negative (-)
jumper cable to a good engine ground
(exposed metal part of the discharged
vehicle’s engine) away from the battery and
the fuel injection system.

5. Start the engine in the vehicle that has the booster battery, let the engine idle a
few minutes, and then start the engine in
the vehicle with the discharged battery.
6. Once the engine is started, remove the jumper cables in the reverse sequence. Disconnecting The Jumper Cables
1. Disconnect the negative
(-) end of the
jumper cable from the engine ground of
the vehicle with the discharged battery.
2. Disconnect the opposite end of the nega -
tive (-) jumper cable from the negative (-)
post of the booster battery.
3. Disconnect the positive (+) end of the
jumper cable from the positive (+) post of
the booster battery.
4. Disconnect the opposite end of the posi -
tive (+) jumper cable from the remote
positive (+) post of the discharged
vehicle.
5. Reinstall the protective cover over the remote positive (+) post of the
discharged vehicle. If frequent jump starting is required to start
your vehicle, have the battery and charging
system tested at an authorized dealer.
WARNING!
Do not connect the jumper cable to the
negative (-) post of the discharged battery.
The resulting electrical spark could cause
the battery to explode and could result in
personal injury. Only use the specific
ground point, do not use any other
exposed metal parts.
CAUTION!
Do not run the booster vehicle engine
above 2,000 rpm since it provides no
charging benefit, wastes fuel, and can
damage booster vehicle engine.
CAUTION!
Accessories plugged into the vehicle power
outlets draw power from the vehicle’s
battery, even when not in use (i.e., cellular
devices, etc.). Eventually, if plugged in
long enough without engine operation, the
vehicle’s battery will discharge sufficiently
to degrade battery life and/or prevent the
engine from starting.
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MULTIMEDIA
280
The left-hand control is a rocker-type switch
with a push-button in the center. The func-
tion of the left-hand control is different
depending on which mode you are in.
The following describes the left-hand control
operation in each mode.
Radio Operation
Pushing the top of the switch will Seek Up
for the next listenable station, and pushing
the bottom of the switch will Seek Down for
the next listenable station.
The button located in the center of the
left-hand control will make the radio switch
between various modes available (AM/FM/
DAB, etc.).
Media Mode
Pushing the top of the switch once goes to
the next track on the selected media (AUX/
USB/Bluetooth®). Pushing the bottom of the
switch once goes to the beginning of the
current track or to the beginning of the
previous track if it is within eight seconds
after the current track begins to play.
AUX/USB/MP3 CONTROL
The Media Hub is located on the instrument
panel, below the climate controls. Behind
the media hub access door, the Media Hub
contains one AUX port, a Type C USB Port
and one standard USB Port. Both USB Ports
allow you to play music from MP3 players /
smartphones or USB devices through the
vehicle’s sound system.
The Smart Charging USB ports provide
power to your device up to an hour after the
vehicle is turned off.
NOTE:
Two devices can be plugged in at the same
time and both ports will provide charging
capabilities. Only one port can transfer
data to the system at a time. A pop-up will
appear and allow you to select the device
transferring data.
Both ports share a single data connection.
The user cannot switch between Type A or
Type C. For example, if a device is plugged into the
Type A USB port and another device is
plugged into the Type C USB port, a message
will appear and allow you to select which
device to use.
USB Connection
1 — Type A Plugged In
2 — Type C Plugged In
3 — Type A And Type C Plugged In
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319
INDEX
A
Accessories ....................................... 258Mopar ........................................... 258
Active Speed Limiter .......................... 156
Adaptive Cruise Control (ACC)
(Cruise Control) ................................. 158
Adding Fuel ...................................... 169
Additives, Fuel .................................. 249
Air Bag Air Bag Operation ........................... 107Air Bag Warning Light ..................... 105
Disable, Passenger Air Bag.............. 107

Enhanced Accident Response ... 115 , 209

Event Data Recorder (EDR) ............. 209
Front Air Bag ................................. 106
If Deployment Occurs ..................... 114
Knee Impact Bolsters ..................... 112
Maintaining Your Air Bag System ..... 116
Maintenance .................................. 116
Redundant Air Bag Warning Light .... 105
Transporting Pets ........................... 134
Air Bag Light ........................65 , 105 , 136
Air Conditioning................................... 44
Air Conditioning Filter .......................... 46
Air Conditioning System ....................... 44
Air Conditioning, Operating Tips ............ 45 Air Pressure
Tires ............................................. 233
Alarm Arm The System .............................. 15
Disarm The System .......................... 15
Security Alarm ............................15 , 68
Alarm (Security Alarm) ......................... 16
Alterations/Modifications Vehicle ............................................. 2
Android Auto...................... 266 , 271 , 302
Apps ............................................. 274
Communication ............................. 273
Maps ............................................ 272
Music ........................................... 273
Antifreeze (Engine Coolant) ................ 253
Anti-Lock Brake System (ABS) .............. 78
Anti-Lock Warning Light ....................... 68
Apple CarPlay .................... 267 , 274 , 303
Apps ............................................. 276
Maps ............................................ 276
Messages ...................................... 275
Music ........................................... 275
Phone ........................................... 275
Assist, Hill Start .................................. 85
Audio Systems (Radio) ................260 , 262
Auto Down Power Windows ................... 46
Automatic Headlights .......................... 33 Automatic High Beams .........................33
Automatic Temperature Control (ATC) ....44
Automatic Transmission......................145
Fluid Level Check ................... 231 , 232
Fluid Type ............................. 231 , 257
Special Additives ............................231

Auxiliary Electrical Outlet (Power Outlet)... 56

Auxiliary Power Outlet ..........................56
Auxiliary Switches ................................58
Axle Fluid..........................................257
Axle Lock ..........................................151
B
Battery ........................................ 66 , 225
Charging System Light ......................66
Belts, Seat ........................................136
Blind Spot Monitoring ..........................87
Brake Assist System .............................79
Brake Control System ...........................79
Brake Fluid ............................... 230 , 257
Brake System ....................................230 Fluid Check ...................................230
Master Cylinder ..............................230
Warning Light...................................65
Brake/Transmission Interlock...............144
Bulb Replacement ..................... 179 , 181
Bulbs, Light .............................. 137 , 179
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