2020 Ram 4500 Chassis Cab seats

2
INTRODUCTION
HOW TO USE THIS MANUAL ...............................11
Essential Information .................................. 11
Symbols ........................................................ 11
WARNINGS AND CAUTIONS ...............................11
VAN CONVERSIONS/CAMPERS .........................11
VEHICLE MODIFICATIONS/ALTERATIONS .......11
GETTING TO KNOW YOUR VEHICLE
VEHICLE USER GUIDE — IF EQUIPPED ...............12
KEYS ......................................................................13
Key Fob......................................................... 13
IGNITION SWITCH ...............................................17
Keyless Push Button Ignition ...................... 17
REMOTE START — IF EQUIPPED (GASOLINE) ...18
How To Use Remote Start ........................... 18
Remote Start Abort Message ...................... 19
To Enter Remote Start Mode ...................... 19
To Exit Remote Start Mode Without
Driving
The Vehicle .................................................. 19 To Exit Remote Start Mode And Drive The
Vehicle .......................................................... 20 Remote Start Comfort Systems —
If Equipped ................................................... 20 General Information .................................... 20 REMOTE START — IF EQUIPPED (DIESEL)......... 20
How To Use Remote Start ........................... 21
Remote Start Abort Message...................... 21
To Enter Remote Start Mode ...................... 21
To Exit Remote Start Mode Without
Driving The Vehicle ...................................... 22 To Exit Remote Start Mode And Drive The
Vehicle .......................................................... 22 Remote Start Comfort Systems —
If Equipped ................................................... 22
SENTRY KEY.......................................................... 22
Key Programming ....................................... 23
Replacement Keys ..................................... 23
General Information .................................... 23
VEHICLE SECURITY ALARM .............................. 24
To Arm The System ...................................... 24
To Disarm The System ................................ 24
Rearming Of The System............................. 25
Security System Manual Override .............. 25
DOORS .................................................................. 25
Manual Door Locks...................................... 25
Power Door Locks — If Equipped ............... 26
Keyless Enter-N-Go — Passive Entry .......... 26
Automatic Door Locks — If Equipped ....... 29
Child-Protection Door Lock ........................ 29
SEATS ................................................................ 30
Manual Front Seat Adjustment................... 30
Power Driver Seat Adjustment —
If Equipped ................................................... 31 Driver Memory Seats — If Equipped .......... 32
Heated Seats — If Equipped ....................... 34
Ventilated Seats — If Equipped................... 35 HEAD RESTRAINTS ..........................................36
Front Head Restraints ................................. 36
Rear Head Restraint Adjustment ............... 37
Rear Head Restraint Removal .................... 37
STEERING WHEEL .............................................38
Tilt Steering Column .................................. 38
Heated Steering Wheel — If Equipped ...... 38
DRIVER ADJUSTABLE PEDALS —
IF EQUIPPED .........................................................39
MIRRORS ..............................................................40
Inside Day/Night Mirror — If Equipped ...... 40
Automatic Dimming Mirror —
If Equipped .................................................. 40 Automatic Dimming Mirror With Rear View
Camera Display — If Equipped ................... 40 Outside Mirrors ........................................... 41
Driver's Outside Automatic Dimming
Mirror — If Equipped .................................... 41 Power Mirrors — If Equipped ...................... 41
Power Convex Mirror Switch —
If Equipped ................................................... 42 Trailer Towing Mirrors.................................. 42
Heated Mirrors — If Equipped .................... 43
Tilt Side Mirrors In Reverse —
If Equipped ................................................... 43 Outside Mirrors Folding Feature ................. 43
Illuminated Vanity Mirror —
If Equipped ................................................... 44

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 2

7
SERVICING AND MAINTENANCE
SCHEDULED SERVICING — GAS ENGINE ....... 329Maintenance Plan......................................330
Heavy Duty Use Of The Vehicle ................. 333
SCHEDULED SERVICING — DIESEL ENGINE .. 334
Oil Change Indicator System —
Cummins Diesel .........................................335 Perform Service Indicator —
Cummins Diesel ........................................335 Maintenance Plan — Cummins
Diesel Engine ............................................336
ENGINE COMPARTMENT ................................ 343
6.4L Engine ...............................................3436.7L Engine ................................................344
Checking Oil Level — Gas Engine .............345
Checking Oil Level — Diesel Engine ..........345
Adding Washer Fluid ................................345Maintenance-Free Battery .......................346
Pressure Washing ......................................346
DEALER SERVICE .............................................. 347
Engine Oil .................................................. 347Engine Oil Filter ........................................349
Engine Air Cleaner Filter .........................349
Air Conditioner Maintenance ................. 351
Accessory Drive Belt Inspection................354Draining Fuel/Water Separator Filter .....354
Engine Mounted Fuel Filter
Replacement ..............................................356 Underbody Mounted Fuel Filter
Replacement ..............................................357 Priming If The Engine Has Run
Out Of Fuel ................................................ 358 Intervention Regeneration Strategy —
Message Process Flow ............................. 359 Diesel Exhaust Fluid .................................. 359Body Lubrication ...................................... 360
Windshield Wiper Blades ........................ 360
Exhaust System ........................................ 362
Cooling System ......................................... 363
Charge Air Cooler — Inter-Cooler .............. 366
Brake System ............................................ 367Automatic Transmission............................ 368
Rear Axle And 4x4 Front Driving Axle Fluid
Level ....................................................... 370 Transfer Case ............................................ 371Noise Control System Required
Maintenance & Warranty ......................... 371
HOISTING ............................................................374
TIRES....................................................................374
Tire Safety Information ........................... 374
Tires — General Information .................... 382
Tire Types ................................................... 386
Spare Tires — If Equipped ....................... 387
Wheel And Wheel Trim Care .................. 389Tire Chains and Traction Devices ............ 390
Tire Rotation Recommendations .............. 391 DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES .................................... 392
Treadwear .................................................. 392
Traction Grades ......................................... 392Temperature Grades ................................. 393
STORING THE VEHICLE .................................. 393
BODYWORK ........................................................ 393 Protection From Atmospheric Agents ..... 393
Body And Underbody Maintenance .......... 394Preserving The Bodywork.......................... 394
INTERIORS ......................................................... 395
Seats And Fabric Parts .............................. 395
Plastic And Coated Parts........................... 396
Leather Parts ............................................. 396
Glass Surfaces .......................................... 396
TECHNICAL SPECIFICATIONS
IDENTIFICATION DATA ...................................... 397Vehicle Identification Number ................. 397
BRAKE SYSTEM ................................................ 397
Hydraulic Brake Assist — If Equipped....... 397
WHEEL AND TIRE TORQUE
SPECIFICATIONS .............................................. 397
Torque Specifications .............................. 398

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 7

30GETTING TO KNOW YOUR VEHICLE
SEATS
Seats are a part of the Occupant Restraint
System of the vehicle.
Manual Front Seat Adjustment
Manual Front Seat Forward/Rearward
Adjustment
Both front seats are adjustable forward or rear -
ward. The manual seat adjustment handle is
located under the seat cushion at the front edge
of each seat.
Manual Seat Adjustment Bar

While sitting in the seat, pull up on the handle
and slide the seat forward or rearward. Release
the bar once you have reached the desired posi -
tion. Then, using body pressure, move forward
and rearward on the seat to be sure that the
seat adjusters have latched.
Manual Front Seat Recline Adjustment
The recline lever is located on the outboard side
of the seat. To recline the seat, lean forward
slightly, lift the lever, lean back to the desired
position and release the lever. To return the
seatback to its normal upright position, lean
forward and lift the lever. Release the lever
once the seat back is in the upright position.

Manual Recline Lever

WARNING!
It is dangerous to ride in a cargo area,
inside or outside of a vehicle. In a collision,
people riding in these areas are more likely
to be seriously injured or killed.
Do not allow people to ride in any area of
your vehicle that is not equipped with seats
and seat belts. In a collision, people riding
in these areas are more likely to be seri -
ously injured or killed.
Be sure everyone in your vehicle is in a seat
and using a seat belt properly.
WARNING!
Adjusting a seat while driving may be
dangerous. Moving a seat while driving
could result in loss of control which could
cause a collision and serious injury or
death.
Seats should be adjusted before fastening
the seat belts and while the vehicle is
parked. Serious injury or death could result
from a poorly adjusted seat belt.
WARNING!
Do not stand or lean in front of the seat
while actuating the handle. The seatback
may swing forward and hit you causing
injury.
To avoid injury, place your hand on the seat -
back and actuate the handle, then position
the seatback in the desired position.

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 30

GETTING TO KNOW YOUR VEHICLE31
40-20-40 Front Bench Seat — If Equipped
The seat is divided into three segments. The
outboard seat portions are each 40% of the
total width of the seat. On some models, the
back of the center portion (20%) easily folds
down to provide an armrest/center storage
compartment.
Power Driver Seat Adjustment — If Equipped
Some models may be equipped with an
eight-way power driver's seat. The power seat
switches are located on the outboard side of the
driver's seat cushion. There are two power seat
switches that are used to control the movement
of the seat cushion and the seatback.

Power Seat Switches

Adjusting The Seat Forward Or Rearward
The seat can be adjusted both forward and rear -
ward. Push the seat switch forward or rearward.
The seat will move in the direction of the switch.
Release the switch when the desired position
has been reached.
Adjusting The Seat Up Or Down
The height of the seats can be adjusted up or
down. Pull upward or push downward on the
rear of seat switch, the seat will move in the
direction of the switch. Release the switch when
the desired position has been reached.
Tilting The Seat Up Or Down
The angle of the seat cushion can be adjusted
in four directions. Pull upward or push down -
ward on the front or rear of the seat switch, the
front or rear of the seat cushion will move in the
direction of the switch. Release the switch when
the desired position is reached.
Reclining The Seatback
The angle of the seatback can be adjusted
forward or rearward. Push the seatback switch
forward or rearward, the seat will move in the
direction of the switch. Release the switch when
the desired position is reached.
1 — Power Seat Switch
2 — Power Seatback Switch
WARNING!
Adjusting a seat while driving may be
dangerous. Moving a seat while driving
could result in loss of control which could
cause a collision and serious injury or
death.
Seats should be adjusted before fastening
the seat belts and while the vehicle is
parked. Serious injury or death could result
from a poorly adjusted seat belt.
Do not ride with the seatback reclined so
that the shoulder belt is no longer resting
against your chest. In a collision you could
slide under the seat belt, which could result
in serious injury or death.
CAUTION!
Do not place any article under a power seat
or impede its ability to move as it may cause
damage to the seat controls. Seat travel may
become limited if movement is stopped by an
obstruction in the seat’s path.
2

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 31

32GETTING TO KNOW YOUR VEHICLE
Power Lumbar — If Equipped
Vehicles equipped with power driver or
passenger seats may be also be equipped with
power lumbar. The power lumbar switch is
located on the outboard side of the power seat.
Push the switch forward to increase the lumbar
support. Push the switch rearward to decrease
the lumbar support.

Lumbar Control Switch

Driver Memory Seats — If Equipped
This feature allows the driver to store up to two
different memory profiles for easy recall
through memory buttons. Each memory profile
contains desired position settings for the
driver’s seat, side mirrors, adjustable pedals (if
equipped), and a set of desired radio station
presets. Your remote keyless entry key fob can also be programmed to recall the same posi
-
tions when the unlock button is pushed.
NOTE:
Your vehicle is equipped with two key fobs, one
key fob can be linked to memory position 1 and
the other key fob can be linked to memory posi -
tion 2.
The driver memory seat buttons are located on
the driver door, next to the door handle.

Driver Memory Seat Buttons
Programming The Memory Feature
To create a new memory profile, perform the
following:

1. Place the vehicle’s ignition in the ON/RUNposition (do not start the engine).
2. Adjust all memory profile settings to desired
preferences (i.e., driver’s seat, outside
mirrors, adjustable pedals (if equipped),
and radio station presets).
3. Push and release the set (S) button on the memory switch.
4. Within five seconds, push and release either of the memory buttons (1) or (2). The
instrument cluster display will show which
memory position has been set.
NOTE:
Memory profiles can be set without the vehicle
in PARK.
Linking And Unlinking The Remote Keyless
Entry Key Fob To Memory
Your key fob can be programmed to recall one
of two pre-programmed memory profiles by
pushing the unlock button on the key fob.
NOTE:
Before programming your key fob you must
select the “Personal Settings Linked to Key
Fob” feature through the Uconnect Settings.
Refer to “Uconnect Settings” in “Multimedia”
for further information.

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 32

34GETTING TO KNOW YOUR VEHICLE
When you remove the key fob from the igni -
tion, the driver’s seat will move to a position
0.3 inches (7.7 mm) forward of the rear stop if the driver’s seat position is between
0.9 inches and 2.7 inches (22.7 mm and
67.7 mm) forward of the rear stop. The seat
will return to its previously set position when
you place the ignition to the ACC or RUN posi -
tion.
The Easy Entry/Easy Exit feature is disabled
when the driver’s seat position is less than
0.9 inches (22.7 mm) forward of the rear stop. At this position, there is no benefit to
the driver by moving the seat for Easy Exit or
Easy Entry.
Each stored memory setting will have an associ -
ated Easy Entry and Easy Exit position.
NOTE:
The Easy Entry/Exit feature is not enabled when
the vehicle is delivered from the factory. The
Easy Entry/Exit feature is enabled (or later
disabled) through the programmable features
in the Uconnect system. Refer to “Uconnect
Settings” in “Multimedia” for further informa -
tion.
Heated Seats — If Equipped
On some models, the front and rear seats may
be equipped with heaters located in the seat
cushions and seat backs.
Front Heated Seats
The heated seats control buttons are located on
the center instrument panel below the touch -
screen, and are also located within the climate
or controls screen of the touchscreen.
Push the heated seat button once to turn
the HI setting on.
Push the heated seat button a second
time to turn the MED setting on.
Push the heated seat button a third time
to turn the LO setting on.
Push the heated seat button a fourth time
to turn the heating elements off.
NOTE:
The engine must be running for the heated
seats to operate.
The level of heat selected will stay on until
the operator changes it.
Vehicles Equipped With Remote Start
On models that are equipped with remote start,
the driver’s seat can be programmed to come
on during a remote start.
This feature can be programmed through the
Uconnect system. Refer to “Uconnect Settings”
in “Multimedia” for further information.
WARNING!
Persons who are unable to feel pain to the
skin because of advanced age, chronic
illness, diabetes, spinal cord injury, medica -
tion, alcohol use, exhaustion or other phys -
ical 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 seat -
back 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 overheated could cause serious
burns due to the increased surface
temperature of the seat.

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 34

GETTING TO KNOW YOUR VEHICLE35
Rear Heated Seats
On some models, the two outboard rear seats
are equipped with heated seats. The heated
seat switches for these seats are located on the
rear of the center console.

Rear Heated Seat Switches

There are two heated seat switches that allow
the rear passengers to operate the seats inde -
pendently. You can choose from HI, MED, LO, or
OFF heat settings. Amber indicator lights in
each switch indicate the level of heat in use.
Push the heated seat button once to turn
the HI setting on.
Push the heated seat button a second
time to turn the MED setting on.
Push the heated seat button a third time
to turn the LO setting on.
Push the heated seat button a fourth time
to turn the heating elements off.
NOTE:
The level of heat selected will stay on until
the operator changes it.
Once a heat setting is selected, heat will be
felt within two to five minutes.
The engine must be running for the heated
seats to operate.
Ventilated Seats — If Equipped
Front Ventilated Seats
Located in the seat cushion are small fans that
draw the air from the passenger compartment
and move air through fine perforations in the
seat cover to help keep the driver and front
passenger cooler in higher ambient tempera -
tures. The fans operate at three speeds, HI,
MED and LO. The front ventilated seats control buttons are
located on the center instrument panel below
the touchscreen, and are also located within the
climate or controls screen of the touchscreen.
Press the ventilated seat button once to
choose HI.
Press the ventilated seat button a second
time to choose MED.
Press the ventilated seat button a third
time to choose LO.
Press the ventilated seat button a fourth
time to turn the ventilation off.
NOTE:
The engine must be running for the ventilated
seats to operate.
Vehicles Equipped With Remote Start
On models that are equipped with remote start,
the ventilated seats can be programmed to
come on during a remote start.
This feature can be programmed through the
Uconnect system. Refer to “Uconnect Settings”
in “Multimedia” for further information.
2

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 35

GETTING TO KNOW YOUR VEHICLE37
Rear Head Restraint Adjustment
The rear seats are equipped with adjustable
and removable head restraints. To raise the
head restraint, pull upward on the head
restraint. To lower the head restraint, push the
adjustment button located on the base of the
head restraint and push downward on the head
restraint.
Release/Adjustment Buttons

NOTE:The rear center head restraint (Crew Cab)
has only one adjustment position that is used
to aid in the routing of a tether. Refer to
“Occupant Restraint Systems” in “Safety” for
further information.
Do not reposition the head restraint 180
degrees to the incorrect position in an
attempt to gain additional clearance to the
back of the head.
Rear Head Restraint Removal
To remove the head restraint, push the adjust -
ment button and the release button while
pulling upward on the whole assembly. To rein -
stall the head restraint, put the head restraint
posts into the holes and adjust it to the appro -
priate height.
NOTE:
To remove outboard restraints, the rear seat
bottom must be folded up.WARNING!
All occupants, including the driver, should
not operate a vehicle or sit in a vehicle’s
seat until the head restraints are placed in
their proper positions in order to minimize
the risk of neck injury in the event of a
crash.
Head restraints should never be adjusted
while the vehicle is in motion. Driving a
vehicle with the head restraints improperly
adjusted or removed could cause serious
injury or death in the event of a collision.
1 — Release Button
2 — Adjustment Button
WARNING!
A loose head restraint thrown forward in a
collision or hard stop could cause serious
injury or death to occupants of the vehicle.
Always securely stow removed head
restraints in a location outside the occu -
pant compartment.
ALL the head restraints MUST be rein -
stalled in the vehicle to properly protect the
occupants. Follow the re-installation
instructions above prior to operating the
vehicle or occupying a seat.
2

2020_RAM_CHASSIS_CAB_OM_USA=GUID-6C67832B-7839-4CCF-BEFC-CDF988F949EA=1=en=.book Page 37