2022 RAM 1500 air condition

8
TOWING A DISABLED VEHICLE .......................... 390 Two-Wheel Drive Models............................... 391
Four-Wheel Drive Models.............................. 392Emergency Tow Hooks — If Equipped .......... 392
ENHANCED ACCIDENT RESPONSE SYSTEM
(EARS) .................................................................. 392
EVENT DATA RECORDER (EDR) ......................... 392
SERVICING AND MAINTENANCE
SCHEDULED SERVICING — GASOLINE
ENGINE ................................................................. 393
Maintenance Plan ......................................... 394
SCHEDULED SERVICING — DIESEL
ENGINE ................................................................. 398
Maintenance Plan — Diesel Fuel Up To B5
Biodiesel ....................................................... 399
Additional Maintenance — B6 To B20
Biodiesel ........................................................ 402
ENGINE COMPARTMENT .................................... 403
3.6L Engine With Stop/Start ........................ 403
5.7L Engine Without Stop/Start ................... 404
5.7L Engine With Stop/Start ........................ 405
3.0L Diesel Engine ........................................ 406
Checking Oil Level ......................................... 407
Adding Washer Fluid ..................................... 407
Maintenance-Free Battery ............................ 408
Pressure Washing ......................................... 408 VEHICLE MAINTENANCE..................................... 408
Engine Oil — Gas Engine .............................. 409Engine Oil Filter ............................................ 409
Engine Air Cleaner Filter ............................... 410
Draining Fuel/Water Separator
Filter — Diesel Engine ................................... 412Underbody Mounted Fuel Filter
Replacement — Diesel Engine...................... 413Priming If The Engine Has Run Out
Of Fuel — Diesel Engine ................................ 414Intervention Regeneration Strategy —
Message Process Flow (Diesel Engine) ....... 414
Diesel Exhaust Fluid...................................... 415
Air Conditioner Maintenance........................ 415
Accessory Drive Belt Inspection ................... 418Body Lubrication ........................................... 418Windshield Wiper Blades.............................. 419Exhaust System ............................................ 420
Cooling System ............................................. 421Charge Air Cooler — Inter-Cooler
(Diesel Engine) .............................................. 424
Brake System ............................................... 425
Automatic Transmission .............................. 426Rear Axle And 4x4 Front Driving Axle
Fluid Level...................................................... 427
Transfer Case ................................................ 427Fuses.............................................................. 427
Bulb Replacement......................................... 438 TIRES ..................................................................... 444
Tire Safety Information ................................. 444
Tires — General Information ......................... 451
Tire Types....................................................... 455Spare Tires — If Equipped............................. 455Wheel And Wheel Trim Care......................... 457
Snow Traction Devices ................................. 458
Tire Rotation Recommendations ................ 460
DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES .................... 460
Treadwear...................................................... 460
Traction Grades ............................................. 461Temperature Grades..................................... 461
STORING THE VEHICLE ....................................... 461
BODYWORK .......................................................... 461
Protection From Atmospheric Agents .......... 461
Body And Underbody Maintenance ............. 462
Preserving The Bodywork ............................. 462
INTERIORS ........................................................... 464
Seats And Fabric Parts ................................. 464
Plastic And Coated Parts .............................. 465
Leather Surfaces........................................... 465
Glass Surfaces ............................................. 465

22_DT_OM_EN_USC_t.book Page 8

20GETTING TO KNOW YOUR VEHICLE
In case the ignition switch does not change with
the push of a button, the key fob may have a low or
fully depleted battery. A low key fob battery can be
verified by referring to the instrument cluster
display, which will display directions to follow.
NOTE:A low key fob battery condition may be indicated by
a message in the instrument cluster display, or by
the LED light on the key fob. If the LED key fob light
no longer illuminates from key fob button pushes,
then the key fob battery requires replacement
Ú page 480.
To Lock/Unlock The Doors And Tailgate
Push and release the unlock button on the key fob
once to unlock the driver’s door, or, twice within
five seconds to unlock all doors, the tailgate and
the RamBox (if equipped). To lock all the doors and
the tailgate, push the lock button once.
When the doors are unlocked, the turn signals will
flash and the illuminated entry system will be
activated. When the doors are locked, the turn
signals will flash and the horn will chirp.
All doors can be programmed to unlock on the first
push of the unlock button. The horn chirp when the
lock button is pushed can be programmed on/off
within Uconnect Settings Ú page 234.
Key Left Vehicle Feature
If a valid key fob is no longer detected inside the
vehicle while the vehicle’s ignition system is in the
ON/RUN or START position, the message “Key Left
Vehicle” will be shown in the instrument cluster
display along with an interior chime. An exterior
audible and visual alert will also be activated to
warn the driver.
The vehicle’s horn will rapidly chirp three times
along with a single flash of the vehicle’s exterior
lights.
NOTE:
The doors have to be open and then closed in
order for the vehicle to check for the presence of
a key fob; the Key Left Vehicle feature will not
activate until all of the doors are closed.
These alerts will not be activated in situations
where the vehicle’s engine is left running with
the key fob inside.
Air Suspension (Remote Lowering Of The
Vehicle) — If Equipped
For easy entry and loading, your vehicle
can be lowered by pushing the key fob air
suspension lowering button two times.
When air suspension lowering is
requested using the key fob, the vehicle will send a
series of chirps and flashes to alert the customer
that the operation has begun and will continue
these alerts until it successfully lowers. The following conditions must be met for the
vehicle to lower remotely:
The vehicle must not already be in Entry/Exit
ride height.
The vehicle battery must be fully charged.
All doors must be closed.
The key fob must be out of the vehicle.
Gear selector must be in PARK.
NOTE:Ensure the vehicle is clear of all objects, pets, and
people prior to remote lowering.
Canceling Remote Lowering
Vehicle lowering can be canceled at anytime.
When vehicle lowering is canceled, the vehicle will
raise to the next defined level and lock out the
remote lowering feature for five seconds until a
new request is made.
To cancel vehicle lowering, push the key fob air
suspension lowering button one time during the
lowering process. When vehicle lowering is
canceled, the horn will chirp two times and the turn
signal lamps will flash four times. Once raising is
completed, the horn will chirp one time.
NOTE:More information on air suspension is provided
later in this manual, see Ú
page 165.

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26GETTING TO KNOW YOUR VEHICLE
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 display in the instrument cluster
display until you push the START/STOP ignition
button.
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 programmed in the comfort menu screen within Uconnect Settings
Ú
page 234. In warm weather, the driver vented
seat feature will automatically turn on when the
Remote Start is activated and is 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 automatically adjust to an
optimal temperature and mode, dependent on the
outside ambient temperature. When the ignition is
placed in the ON/RUN position, the climate
controls will resume their previous settings.
Manual Temperature Control (MTC) — If Equipped
In ambient temperatures of 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 of 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 62.
NOTE:These features will stay on through the duration of
Remote Start, or until the ignition is placed in the
ON/RUN position. The climate control settings will
change, and exit the automatic defaults, if
manually adjusted by the driver while the vehicle is
in Remote Start mode. This includes turning the
climate controls off using the OFF button.
REMOTE START WINDSHIELD WIPER
D
E–ICER ACTIVATION — IF EQUIPPED
When Remote Start is active and the outside
ambient temperature is less than 33°F (0.6°C),
the Windshield Wiper De-Icer will activate. Exiting
Remote Start will resume its previous operation. If
the Windshield Wiper De-Icer was active, the timer
and operation will continue.
REMOTE START ABORT MESSAGE
The following messages will display in the
instrument cluster display if the vehicle fails to
remote start, or exits Remote Start prematurely:
Remote Start Cancelled — Door Open
Remote Start Cancelled — Hood Open
Remote Start Cancelled — Fuel Low
Remote Start Cancelled — Too Cold
Remote Start Cancelled — Time Expired
Remote Start Disabled — Start Vehicle to Reset

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GETTING TO KNOW YOUR VEHICLE27
The message will stay active until the ignition is
placed in the ON/RUN position.
REMOTE START — IF EQUIPPED (DIESEL)
This system uses the key fob to start the
engine conveniently from outside the
vehicle while still maintaining security.
The system has a range of approximately
328 ft (100 m).
NOTE:
Obstructions between the vehicle and the key
fob may reduce this range.
The Remote Start system will wait for the Wait
To Start indicator light to extinguish before
cranking the engine. This allows time for the
engine pre-heat cycle to heat the cylinder air,
and is normal in cold weather. For further infor -
mation on the Wait To Start indicator light and
the pre-heat cycle, see Ú page 135.
HOW TO USE REMOTE START
Push and release the Remote Start button on the
key fob twice within five seconds. The vehicle
doors will lock, the parking lights will flash, and the
horn will chirp twice (if programmed). Then, the
engine will start, and the vehicle will remain in the
Remote Start mode for a 15 minute cycle.
Pushing the Remote Start button a third time shuts
the engine off. To drive the vehicle, push the unlock button, and
place the ignition in the ON/RUN position.
All of the following conditions must be met before
the engine will remote start:
Gear selector in PARK
Doors closed
Hood closed
Hazard switch off
Brake switch inactive (brake pedal not pressed)
Battery at an acceptable charge level
PANIC button not pushed
Fuel meets minimum requirement
System not disabled from previous remote start
event
Vehicle Security system not active
Water In Fuel indicator light is not illuminated
Wait To Start indicator light is not illuminated
Malfunction Indicator Light (MIL) is not illumi
-
nated
For additional functions of the Remote Start
system, see Ú page 25.
VEHICLE SECURITY SYSTEM — IF EQUIPPED
The Vehicle Security system monitors the vehicle
doors, hood, tailgate, and the Keyless Enter ‘n Go™
Ignition for unauthorized operation. While the
Vehicle Security system is armed, interior switches
for door locks and tailgate release are disabled. If
something triggers the alarm, the Vehicle Security
system will provide the following audible and
visible signals:
The horn will pulse.
The turn signals will flash.
The Vehicle Security Light, located in the upper
right corner of the instrument cluster display,
will flash.
WARNING!
Do not start or run an engine in a closed
garage or confined area. Exhaust gas contains
Carbon Monoxide (CO) which is odorless and
colorless. Carbon Monoxide is poisonous and
can cause serious injury or death when
inhaled.
Keep key fobs away from children. Operation
of the Remote Start system, windows, door
locks or other controls could cause serious
injury or death.
2

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62GETTING TO KNOW YOUR VEHICLE
RAIN SENSING WIPERS — IF EQUIPPED
This feature senses rain or snowfall on the
windshield and automatically activates the wipers.
Rotate the end of the multifunction lever to one of
four detent positions to activate this feature.
The sensitivity of the system can be adjusted with
the multifunction lever. Wiper delay position one is
the least sensitive, and wiper delay detent position
four is the most sensitive.
Wiper delay position three should be used for
normal rain conditions.
Positions one and two can be used if the driver
desires less wiper sensitivity. Position four can be
used if the driver desires more sensitivity. Place
the wiper switch in the O (off) position when not
using the system.
NOTE:
The Rain Sensing feature will not operate when
the wiper switch is in the low or high-speed posi -
tion.
The Rain Sensing feature may not function prop -
erly when ice, or dried salt water is present on
the windshield.
Use of Rain-X or products containing wax or sili-
cone may reduce Rain Sensing performance.
The Rain Sensing feature can be turned on and
off using the Uconnect system Ú page 234.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
3 mph (5 km/h), or the outside temperature is
greater than 32°F (0°C).
Transmission In NEUTRAL Position — When the
ignition is ON, and the automatic 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 a 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, and on the sides of
the touchscreen or on the instrument panel below
the radio.
AUTOMATIC CLIMATE CONTROL
D
ESCRIPTIONS AND FUNCTIONS

Uconnect 5 or 5 NAV With 8.4-inch Display Automatic
Temperature Controls
Uconnect 5 NAV With 12-inch Display Automatic Temperature Controls

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GETTING TO KNOW YOUR VEHICLE63
NOTE:Icons and descriptions can vary based upon
vehicle equipment.
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 the button again will cause
the MAX A/C operation to exit.
NOTE:
MAX A/C sets the control for maximum cooling
performance.
The MAX A/C button is only available on the
touchscreen.
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.

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. Recirculation
mode may automatically adjust to optimize
customer experience for warming, cooling,
dehumidification, etc.
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. Air Conditioning (A/C) may be
active during AUTO operation to improve
performance. AUTO mode is highly recommended
for efficiency. You can turn AUTO on in one of two ways:
Press and release this button on the touch
-
screen.
Push the button on the faceplate.
Toggling this function will cause the system to
switch between manual mode and automatic
mode Ú page 67.
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.
2

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GETTING TO KNOW YOUR VEHICLE65
Touchscreen
Use the small blower icon to reduce the blower
setting and the large blower icon to increase the
blower setting. Blower can also be selected by
pressing the blower bar area between the icons.
Mode Control
Select Mode by pressing one of the Mode
buttons on the touchscreen, or pushing
the Mode button on the faceplate, to
change the airflow distribution mode.
The airflow distribution mode can be adjusted so
air comes from the instrument panel outlets, floor
outlets, defrost outlets, and demist outlets.
Panel Mode
Air comes from the outlets in the
instrument panel. Each of these outlets
can be individually adjusted to direct the
flow of air. The air vanes of the center
outlets and outboard outlets can be moved up and
down or side to side to regulate airflow direction.
There is a shut-off wheel located below the air
vanes to shut off or adjust the amount of airflow
from these outlets.
Bi-Level Mode
Air comes from the instrument panel
outlets and floor outlets. A slight amount
of air is directed through the defrost and
side window demister outlets.
NOTE:Bi-Level mode is designed under comfort condi -
tions to provide cooler air out of the panel outlets
and warmer air from the floor outlets.
Floor Mode
Air comes from the floor outlets. A slight
amount of air is directed through the
defrost and side window demister
outlets.
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 the OFF button on the
touchscreen, or push the OFF button on
the faceplate (if equipped) to turn the
Climate Control on/off.
MANUAL CLIMATE CONTROL
D
ESCRIPTIONS AND FUNCTIONS

Uconnect 3 With 5-inch Display Manual
Temperature Controls

MAX A/C Setting
Set the temperature control knob to the
MAX A/C setting to change the current
setting to the coldest output of air.
Moving the temperature control knob
away from the MAX A/C setting causes the
MAX A/C operation to exit.
2

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66GETTING TO KNOW YOUR VEHICLE
A/C Button
Push the A/C button to engage the Air
Conditioning (A/C). The A/C indicator
illuminates when A/C is on.
NOTE:
For Manual Climate Controls, if the system is in
Mix, Floor or Defrost mode, the A/C can be
turned off, but the A/C system shall remain
active to prevent fogging of the windows.
If fog or mist appears on the windshield or side
glass, select Defrost mode, and increase blower
speed if needed.
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
Push the Recirculation button 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
humidity are present. Recirculation can be used in
all modes except for Defrost. Recirculation may be
unavailable 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.
On systems with Manual Climate Controls, the
Recirculation mode is not allowed in Defrost mode
to improve window cleaning operation.
Recirculation is disabled automatically if this mode
is selected. Attempting to use Recirculation while
in this mode causes the LED in the control button
to blink and then turn off.
Front Defrost Setting
Turn the mode control knob to the Front
Defrost mode setting. 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.
Rear Defrost Button
Push and release the Rear Defrost
Control button 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.
Temperature Control
Temperature Control regulates the temperature of
the air forced through the climate system.
The temperature increases as you
turn the temperature control knob
clockwise.
The temperature decreases as you
turn the temperature control knob
counterclockwise.
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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