2021 DODGE CHALLENGER air condition

6
JUMP STARTING .................................................. 238 Preparations For Jump Start......................... 239Jump Starting Procedure .............................. 240
IF YOUR ENGINE OVERHEATS ........................... 241
MANUAL PARK RELEASE — 8 – SPEED
TRANSMISSION .................................................. 241
FREEING A STUCK VEHICLE ............................... 243
TOWING A DISABLED VEHICLE .......................... 244 Rear-Wheel Drive (RWD) Models.................. 245
ENHANCED ACCIDENT RESPONSE SYSTEM
(EARS) .................................................................. 245
EVENT DATA RECORDER (EDR) ......................... 245
SERVICING AND MAINTENANCE
SCHEDULED SERVICING .................................... 246
3.6L And 5.7L Engines ................................. 246
ENGINE COMPARTMENT .................................... 251
3.6L Engine ................................................... 2515.7L Engine ................................................... 252Checking Oil Level ......................................... 253
Adding Washer Fluid ..................................... 253
Maintenance-Free Battery ............................ 254
Pressure Washing ......................................... 254 VEHICLE MAINTENANCE..................................... 254
Engine Oil ...................................................... 255
Engine Oil Filter ............................................. 256Engine Air Cleaner Filter .............................. 256Air Conditioner Maintenance ....................... 257
Accessory Drive Belt Inspection ................... 259Body Lubrication ........................................... 260Windshield Wiper Blades.............................. 260Exhaust System ............................................. 261Cooling System .............................................. 262
Brake System ............................................... 265
Clutch Hydraulic System — Manual
Transmission (If Equipped)........................... 266Manual Transmission — If Equipped............ 266
Automatic Transmission — If Equipped ....... 266
All Wheel Drive (AWD) — If Equipped .......... 267
Rear Axle ........................................................ 267Fuses.............................................................. 267
Bulb Replacement ........................................ 276 TIRES ..................................................................... 279
Tire Safety Information ................................ 279Tires — General Information ........................ 288Tire Types....................................................... 291Spare Tires — If Equipped ............................ 292
Wheel And Wheel Trim Care ........................ 294Snow Traction Devices.................................. 295Tire Rotation Recommendations ................. 296
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES ...................................... 296
Treadwear...................................................... 297
Traction Grades ............................................. 297Temperature Grades..................................... 297
VEHICLE STORAGE .............................................. 298
BODYWORK .......................................................... 298 Protection From Atmospheric Agents .......... 298
Body And Underbody Maintenance ............. 298
Preserving The Bodywork ............................. 298
INTERIORS ........................................................... 299
Seats And Fabric Parts ................................. 299
Plastic And Coated Parts .............................. 299
Leather Surfaces........................................... 300
Glass Surfaces ............................................. 300

21_LA_OM_EN_USC_t.book Page 6

GETTING TO KNOW YOUR VEHICLE19
The Remote Start system will turn the engine off
with another push and release of the Remote Start
button on the key fob, or if the engine is allowed to
run for the entire 15 minute cycle. Once the
ignition is placed in the ON/RUN position, the
climate controls will resume the previously set
operations (temperature, blower control, etc.).
NOTE:
To avoid unintentional shutdowns, the system
will disable for two seconds after receiving a
valid Remote Start request.
For vehicles equipped with the Keyless Enter ‘n
Go™ — Passive Entry feature, the message
“Remote Start Active — Push Start Button” will
show in the instrument cluster display until you
push the START/STOP ignition button.
Remote Start will also cancel if any of the following
occur:
The engine stalls or engine speed exceeds
2500 RPM.
Any engine warning lights come on.
The Low Fuel Light turns on.
The hood is opened.
The hazard switch is pushed.
The gear selector is moved out of PARK.
The brake pedal is pressed.
REMOTE START FRONT DEFROST
A
CTIVATION — IF EQUIPPED
When Remote Start is active, and the outside
ambient temperature is 40°F (4.5°C) or below, the
system will automatically activate front defrost for
15 minutes or less. The time is dependent on the
ambient temperature. Once the timer expires, the
system will automatically adjust the settings
depending on ambient conditions. See “Remote
Start Comfort Systems — If Equipped” in the next
section for detailed operation.
REMOTE START COMFORT SYSTEMS —
I
F EQUIPPED
When Remote Start is activated, the front and rear
defrost will automatically turn on in cold weather.
The heated steering wheel and driver heated seat
feature will turn on if selected in the comfort menu
screen within Uconnect Settings Ú page 120. In
warm weather, the driver vented seat feature will
automatically turn on when Remote Start is
activated, if programmed in the comfort menu
screen. The vehicle will adjust the climate control
settings depending on the outside ambient
temperature. Automatic Temperature Control (ATC) —
If Equipped
The climate controls will be automatically adjusted
to the optimal temperature and mode settings
depending on the outside ambient temperature.
This will occur until the ignition is placed in the ON/
RUN position where the climate controls will
resume their previous settings.
Manual Temperature Control (MTC) — If Equipped
In ambient temperatures at 40°F (4.5°C) or
below, the climate settings will default to
maximum heat, with fresh air entering the
cabin. If the front defrost timer expires, the
vehicle will enter Mix Mode.
In ambient temperatures from 40°F (4.5°C) to
78°F (26°C), the climate settings will be based
on the last settings selected by the driver.
In ambient temperatures at 78°F (26°C) or
above, the climate settings will default to MAX
A/C, Bi-Level Mode, with Recirculation on.
For more information on ATC, MTC, and climate
control settings, see Ú page 48.
2

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GETTING TO KNOW YOUR VEHICLE33
(Continued)
FRONT VENTILATED SEATS —
I
F EQUIPPED
The ventilated seats are equipped with fans that
can be controlled through the climate and control
screen in the Uconnect system. The fans operate
at two speeds, HI and LO.
Press the ventilated seat button once to
choose HI.
Press the ventilated seat button a second
time to choose LO.
Press the ventilated seat button a third time
to turn the ventilated seat off.
NOTE:The engine must be running for the ventilated
seats to operate.
For information on use with the Remote Start
system, see Ú page 19.
VEHICLES WITHOUT PASSENGER
S
EATING INSTALLED
All passenger occupants within the vehicle must be
in a seat equipped with a Seat Belt System and
Head Restraint for the safety of the passenger. If
the passenger and/or rear seats have been
removed, do not ride in those areas.
This vehicle has been designed to maximize total
performance. In doing so, the deletion of
passenger seats and/or rear seat may affect the
Noise, Vibration, and Harshness (NVH)
characteristics. As a result, the interior will be
louder overall.
WARNING!
Persons who are unable to feel pain to the
skin because of advanced age, chronic illness,
diabetes, spinal cord injury, medication,
alcohol use, exhaustion or other physical
condition must exercise care when using the
seat heater. It may cause burns even at low
temperatures, especially if used for long
periods of time.
Do not place anything on the seat or seatback
that insulates against heat, such as a blanket
or cushion. This may cause the seat heater to
overheat. Sitting in a seat that has been over -
heated could cause serious burns due to the
increased surface temperature of the seat.
WARNING!
If the passenger and/or rear seats have been
removed, do not ride in those areas. In a colli -
sion, people riding in these areas are more
likely to be seriously injured or killed.
If this vehicle was not factory equipped with a
passenger seat, NEVER attempt to install a
passenger seat because the safety systems,
including the air bags and seat belt, may not
properly protect you.
It is dangerous to ride in a cargo area, inside
or outside of a vehicle. In a collision, people
riding in this area are more likely to be seri -
ously injured or killed.
Only ride in available seating positions
equipped with seat belt systems. Always prop -
erly wear your seat belt. Failure to do so could
result in an increased risk of serious injury or
death in the event of an accident.
Be sure everyone in your vehicle is in a seat
and using a seat belt properly. Occupants,
including the driver, should always wear their
seat belts whether or not an air bag is also
provided at their seating positions to minimize
the risk of severe injury or death in the event
of a crash.
2

21_LA_OM_EN_USC_t.book Page 33

48GETTING TO KNOW YOUR VEHICLE
The Rain Sensing system has protection features
for the wiper blades and arms, and will not operate
under the following conditions:
Low Ambient Temperature — When the ignition
is first placed in the ON position, the Rain
Sensing system will not operate until the wiper
switch is moved, vehicle speed is greater than
0 mph (0 km/h), or the outside temperature is
greater than 32°F (0°C).
Transmission In NEUTRAL Position — When the
ignition is ON, and the transmission is in the
NEUTRAL position, the Rain Sensing system will
not operate until the wiper switch is moved,
vehicle speed is greater than 3 mph (5 km/h),
or the gear selector is moved out of the
NEUTRAL position.
Remote Start Mode Inhibit — On vehicles
equipped with Remote Start system, Rain
Sensing wipers are not operational when the
vehicle is in the Remote Start mode.
CLIMATE CONTROLS
The Climate Control system allows you to regulate
the temperature, air flow, and direction of air
circulating throughout the vehicle. The controls are
located on the touchscreen (if equipped) and on
the instrument panel below the radio.
AUTOMATIC CLIMATE CONTROL
D
ESCRIPTIONS AND FUNCTIONS

Uconnect 4 With 7–inch Display Automatic Climate
Controls
Uconnect 4C/4C NAV With 8.4–inch Display Automatic Climate Controls

MAX A/C Button

Press and release the MAX A/C button on
the touchscreen to change the current
setting to the coldest output of air. The
MAX A/C indicator illuminates when MAX
A/C is on. Pressing and releasing the button again
will cause the MAX A/C operation to exit.

NOTE:The MAX A/C button is only available on the touch -
screen.
A/C Button
Press and release this button on the
touchscreen, or push the button on the
faceplate to change the current setting.
The A/C indicator illuminates when A/C
is ON.
The Air Conditioning (A/C) button allows the
operator to manually activate or deactivate the air
conditioning system. When the air conditioning
system is turned on, cool dehumidified air will flow
through the outlets into the cabin.
NOTE:
If fog or mist appears on the windshield or side
glass, select Defrost mode, and increase blower
speed if needed.

21_LA_OM_EN_USC_t.book Page 48

GETTING TO KNOW YOUR VEHICLE49
If your air conditioning performance seems
lower than expected, check the front of the A/C
condenser (located in front of the radiator), for
an accumulation of dirt or insects. Clean with a
gentle water spray from the front of the radiator
and through the condenser.
Recirculation Button
Press and release this button on the
touchscreen, or push the button on the
faceplate to change the system between
recirculation mode and outside air
mode. The Recirculation indicator and the A/C
indicator illuminate when the Recirculation button
is pressed. Recirculation can be used when
outside conditions such as smoke, odors, dust, or
high humidity are present. Recirculation can be
used in all modes. Recirculation may be
unavailable (button on the touchscreen greyed
out) if conditions exist that could create fogging on
the inside of the windshield. The A/C can be
deselected manually without disturbing the mode
control selection. Continuous use of the
Recirculation mode may make the inside air stuffy
and window fogging may occur. Extended use of
this mode is not recommended.
In cold weather, use of Recirculation mode may
lead to excessive window fogging. The
Recirculation feature may be unavailable if
conditions exist that could create fogging on the
inside of the windshield.
AUTO Button
Set your desired temperature and press
AUTO. AUTO will achieve and maintain
your desired temperature by
automatically adjusting the blower
speed and air distribution. AUTO mode is highly
recommended for efficiency. You can press and
release this button on the touchscreen, or push the
button on the faceplate, to turn AUTO on. The AUTO
indicator illuminates when AUTO is on. Toggling
this function will cause the system to switch
between manual mode and automatic modes
Ú page 51.
Front Defrost Button
Press and release the Front Defrost
button on the touchscreen, or push and
release the button on the faceplate, to
change the current airflow setting to
Defrost mode. The Front Defrost indicator
illuminates when Front Defrost is on. Air comes
from the windshield and side window demist
outlets. When the defrost button is selected, the
blower level may increase. Use Defrost mode with
maximum temperature settings for best
windshield and side window defrosting and
defogging. When toggling the front defrost mode
button, the climate system will return to the
previous setting.
Rear Defrost Button
Press and release the Rear Defrost
button on the touchscreen, or push and
release the button on the faceplate, to
turn on the rear window defroster and
the heated outside mirrors (if equipped). The Rear
Defrost indicator illuminates when the rear window
defroster is on. The rear window defroster
automatically turns off after 10 minutes.
CAUTION!
Failure to follow these cautions can cause
damage to the heating elements:
Use care when washing the inside of the rear
window. Do not use abrasive window cleaners
on the interior surface of the window. Use a
soft cloth and a mild washing solution, wiping
parallel to the heating elements. Labels can
be peeled off after soaking with warm water.
Do not use scrapers, sharp instruments, or
abrasive window cleaners on the interior
surface of the window.
Keep all objects a safe distance from the
window.
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GETTING TO KNOW YOUR VEHICLE51
Mix Mode
Air is directed through the floor, defrost,
and side window demister outlets. This
setting works best in cold or snowy
conditions that require extra heat to the
windshield. This setting is good for maintaining
comfort while reducing moisture on the
windshield.
Climate Control OFF Button
Press and release this button to turn the
Climate Control ON/OFF.
AUTOMATIC TEMPERATURE CONTROL
(ATC)
Automatic Operation

1. Push the AUTO button on the faceplate, or the
AUTO button on the touchscreen on the
Automatic Temperature Control (ATC) Panel.

2. Next, adjust the temperature that you would like the system to maintain by adjusting the
driver and passenger temperature control
buttons. Once the desired temperature is
displayed, the system will achieve and
automatically maintain that comfort level. 3. When the system is set up for your comfort
level, it is not necessary to change the
settings. You will experience the greatest
efficiency by simply allowing the system to
function automatically.
NOTE:
It is not necessary to move the temperature
settings for cold or hot vehicles. The system
automatically adjusts the temperature, mode,
and blower speed to provide comfort as quickly
as possible.
The temperature can be displayed in US or
Metric units within Uconnect Settings
Úpage 120.
To provide you with maximum comfort in the
Automatic mode during cold start-ups, the blower
fan will remain on low until the engine warms up.
The blower will increase in speed and transition
into Auto mode.
Manual Operation Override
This system offers a full complement of manual
override features. The AUTO symbol in the front
ATC display will be turned off when the system is
being used in the manual mode.
CLIMATE — VOICE RECOGNITION
Adjust vehicle temperatures hands-free and keep
everyone comfortable while you keep moving
ahead. (If vehicle is equipped with climate control.)
Push the VR button . After the beep, say one of the
following commands:
“ Set driver temperature to 70 degrees ”
“Set passenger temperature to 70 degrees ”
TIP:Voice Command for Climate may only be used to
adjust the interior temperature of your vehicle.
Voice Command will not work to adjust the heated
seats or steering wheel if equipped.
OPERATING TIPS
Refer to the chart at the end of this section for
suggested control settings for various weather
conditions.
Summer Operation
The engine cooling system must be protected with
a high-quality antifreeze coolant to provide proper
corrosion protection and to protect against engine
overheating. OAT coolant (conforming to
MS.90032) is recommended.
2

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52GETTING TO KNOW YOUR VEHICLE
Winter Operation
To ensure the best possible heater and defroster
performance, make sure the engine cooling
system is functioning properly and the proper
amount, type, and concentration of coolant is
used. Use of the Air Recirculation mode during
Winter months is not recommended, because it
may cause window fogging.
Vacation/Storage
For information on maintaining the Climate Control
system when the vehicle is being stored for an
extended period of time, see Úpage 298.
Window Fogging
Vehicle windows tend to fog on the inside in mild,
rainy, and/or humid weather. To clear the
windows, select Defrost or Mix mode and increase
the front blower speed. Do not use the
Recirculation mode without A/C for long periods,
as fogging may occur.
Outside Air Intake
Make sure the air intake, located directly in front of
the windshield, is free of obstructions, such as
leaves. Leaves collected in the air intake may
reduce airflow, and if they enter the air distribution
box, they could plug the water drains. In Winter
months, make sure the air intake is clear of ice,
slush, and snow.
Cabin Air Filter
The climate control system filters out dust and
pollen from the air. Contact an authorized dealer to
service your cabin air filter, and to have it replaced
when needed.
Windshield Wiper De-Icer — If Equipped
The windshield wiper de-icer is a heating element
located at the base of the windshield.
It operates automatically once the following
conditions are met:
Activation By Front Defrost
The wiper de-icer activates automatically during
a cold weather manual start with full defrost,
and when the ambient temperature is below
33°F (0.6°C) .
Activation By Rear Defrost
The wiper de-icer activates automatically when
the Rear Defrost is operating and the ambient
temperature is below 33°F (0.6°C) .
Activation By Remote Start Operation
When the Remote Start is activated and the
outside ambient temperature is less than 33°F
(0.6°C) the windshield wiper de-icer is acti -
vated. Exiting Remote Start will resume previous
operation. If the windshield wiper de-icer is
active, the timer and operation will continue.
Operating Tips Chart
WEATHER CONTROL SETTINGS
Hot Weather And
Vehicle Interior Is Very Hot Set the mode control to
(Panel Mode),
(MAX A/C) on, and
blower on high. Roll
down the windows for a minute to flush out the hot air. Adjust the
controls as needed to achieve comfort.
Warm Weather Turn (A/C)
on and set the mode
control to (Panel Mode).
Cool Sunny Operate in (Bi-Level
Mode).
Cool & Humid Conditions Set the mode control to
(Mix Mode) and
turn on (A/C) to
keep windows clear.

21_LA_OM_EN_USC_t.book Page 52

62GETTING TO KNOW YOUR INSTRUMENT PANEL
INSTRUMENT CLUSTER DESCRIPTIONS

1. Tachometer

Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Instrument Cluster Display
When the appropriate conditions exist, this
display shows the instrument cluster
display messages Ú page 62.
3. Speedometer
Indicates vehicle speed.
4. Temperature Gauge
The temperature gauge shows engine
coolant temperature. Any reading within the
normal range indicates that the engine
cooling system is operating satisfactorily.
The gauge pointer will likely indicate a
higher temperature when driving in hot
weather, up mountain grades, or when
towing a trailer. It should not be allowed to
exceed the upper limits of the normal oper -
ating range. 5. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the Keyless Push Button
Ignition is in the ON/RUN position.
 The fuel pump symbol points to
the side of the vehicle where the
fuel door is located.
NOTE:The hard telltales will illuminate for a bulb check
when the ignition is first cycled.
INSTRUMENT CLUSTER DISPLAY
Your vehicle is equipped with an instrument cluster
display, which offers useful information to the
driver. With the ignition in the OFF mode, opening/
closing of a door will activate the display for
viewing, and display the total miles, or kilometers,
in the odometer. Your instrument cluster display is
designed to display important information about
your vehicle’s systems and features. Using a driver
interactive display located on the instrument
panel, your instrument cluster display can show
you how systems are working and give you
warnings when they are not. The steering wheel
mounted controls allow you to scroll through the
main menus and submenus. You can access the
specific information you want and make selections
and adjustments.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. It is recommended to call an authorized
dealer for service if your vehicle overheats
Ú page 262.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If the temperature gauge
reads “H,” pull over and stop the vehicle. Idle the
vehicle with the air conditioner turned off until
the pointer drops back into the normal range. If
the pointer remains on the “H,” turn the engine
off immediately and call an authorized dealer for
service.

21_LA_OM_EN_USC_t.book Page 62