2020 Ram 3500 camper

2
INTRODUCTION
HOW TO USE THIS MANUAL ...............................12
Essential Information .................................. 12
Symbols ........................................................ 12
WARNINGS AND CAUTIONS ...............................12
VAN CONVERSIONS/CAMPERS ..........................12
VEHICLE MODIFICATIONS/ALTERATIONS ........12
GETTING TO KNOW YOUR VEHICLE
VEHICLE USER GUIDE — IF EQUIPPED ...............13
KEYS ......................................................................14
Key Fob......................................................... 14
IGNITION SWITCH .................................................17
Keyless Push Button Ignition ...................... 17
REMOTE START — IF EQUIPPED (GASOLINE) ...19
How To Use Remote Start ........................... 19
Remote Start Abort Message ...................... 20
To Enter Remote Start Mode ...................... 20
To Exit Remote Start Mode Without
Driving The Vehicle ..................................... 20 To Exit Remote Start Mode And
Drive The Vehicle ......................................... 20 Remote Start Comfort Systems —
If Equipped ................................................... 20 General Information .................................... 21
REMOTE START— IF EQUIPPED (DIESEL).......... 21
How To Use Remote Start ........................... 22
Remote Start Abort Message...................... 22
To Enter Remote Start Mode ...................... 22
To Exit Remote Start Mode Without
Driving The Vehicle ...................................... 23 To Exit Remote Start Mode And Drive
The Vehicle ................................................... 23 Remote Start Comfort Systems —
If Equipped ................................................... 23
SENTRY KEY.......................................................... 23
Key Programming ....................................... 24
Replacement Keys....................................... 24
General Information .................................... 24
VEHICLE SECURITY ALARM (IF EQUIPPED) ..... 25
To Arm The System ...................................... 25
To Disarm The System ................................ 25
Rearming Of The System............................. 26
Security System Manual Override .............. 26 DOORS ..................................................................26
Manual Door Locks ..................................... 26
Power Door Locks — If Equipped ............... 27
Power Side Steps — If Equipped ................ 27
Keyless Enter-N-Go — Passive Entry
(If Equipped) ................................................ 28 Automatic Door Locks — If Equipped ........ 30
Child-Protection Door Lock ........................ 30
DRIVER MEMORY SETTINGS — IF EQUIPPED ...31
Programming The Memory Feature............ 32
Linking And Unlinking The Remote
Keyless Entry Key Fob To Memory ............. 32 Memory Position Recall .............................. 32
SEATS .....................................................................33
Manual Front Seat Adjustment .................. 33
Manual Rear Seat Adjustment ................... 34
Power Driver Seat Adjustment —
If Equipped ................................................... 35 Heated Seats — If Equipped ....................... 37
Ventilated Seats — If Equipped................... 38

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GARAGE DOOR OPENER — IF EQUIPPED .........76 Before You Begin Programming
HomeLink® .................................................. 76 Canadian/Gate Operator Programming ..... 79
Using HomeLink® ........................................ 79
Security......................................................... 80
Troubleshooting Tips ................................... 80
General Information .................................... 80
INTERNAL EQUIPMENT ........................................81
Storage ......................................................... 81
Cupholders .................................................. 86
Electrical Power Outlets .............................. 86
Power Inverter — If Equipped ..................... 88
Wireless Charging Pad — If Equipped ........ 89
Overhead Sunglass Storage........................ 90
PICKUP BOX .........................................................90
Cargo Camera — If Equipped ...................... 91
RAMBOX — IF EQUIPPED .....................................92
RamBox Integrated Box Side
Storage Bins ................................................. 92 RamBox Safety Warning .............................. 94
Bed Divider — If Equipped ........................... 94
Bed Rail Tie-Down System — If Equipped .. 96
SLIDE-IN CAMPERS .............................................98
Camper Applications ................................... 98 EASY-OFF TAILGATE ........................................... 98
Disconnecting The Rear Camera And
Remote Keyless Entry ................................. 98 Removing The Tailgate ................................ 99
Locking Tailgate ........................................... 99
TRI-FOLD TONNEAU COVER — IF EQUIPPED ..100
Tri-Fold Tonneau Cover Removal.............. 100
Tri-Fold Tonneau Cover Installation.......... 102Tri-Fold Tonneau Cover Cleaning .............. 105
GETTING TO KNOW YOUR
INSTRUMENT PANEL
BASE / MIDLINE INSTRUMENT CLUSTER —
GAS ENGINE........................................................ 106
Base / Midline Instrument Cluster
Descriptions — Gas Engine ....................... 106
PREMIUM INSTRUMENT CLUSTER —
GAS ENGINE........................................................ 108
Premium Instrument Cluster
Descriptions — Gas Engine ....................... 108
BASE INSTRUMENT CLUSTER —
DIESEL ENGINE ................................................. 110
Base Instrument Cluster Descriptions —
Diesel Engine ............................................. 110 PREMIUM INSTRUMENT CLUSTER —
DIESEL ENGINE .................................................. 112
Premium Instrument Cluster
Descriptions — Diesel Engine ................... 112
INSTRUMENT CLUSTER DISPLAY ................... 113
Instrument Cluster Display Controls ........ 114
Oil Life Reset ............................................. 115
Display Menu Items ................................... 116
Diesel Messages And Warnings — 6.7L
Cummins Diesel Engine ............................ 125 Battery Saver On/Battery Saver Mode
Message — Electrical Load Reduction
Actions — If Equipped ............................... 129
WARNING LIGHTS AND MESSAGES ............... 130
Red Warning Lights ................................... 130
Yellow Warning Lights ............................... 133Yellow Indicator Lights .............................. 138
Green Indicator Lights ............................... 140White Indicator Lights ............................... 141Blue Indicator Lights ................................. 142
ONBOARD DIAGNOSTIC SYSTEM — OBD II ... 142
Onboard Diagnostic System
(OBD II) Cybersecurity ............................... 142
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ....................................................... 143

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12
HOW TO USE THIS MANUAL
ESSENTIAL INFORMATION
Consult the Table of Contents to determine which section contains the
information you desire.
Since the specification of your vehicle depends on the items of equipment
ordered, certain descriptions and illustrations may differ from your
vehicle's equipment.
The detailed Index at the back of this Owner's Manual contains a
complete listing of all subjects.
SYMBOLS
Some vehicle components have colored labels whose symbols indicate
precautions to be observed when using this component. Refer to
“Warning Lights and Messages” in “Getting To Know Your Instrument
Panel” for further information on the symbols used in your vehicle.
WARNINGS AND CAUTIONS
This Owner’s Manual contains WARNINGS against operating procedures
that could result in a collision, bodily injury and/or death. It also contains
CAUTIONS against procedures that could result in damage to your vehicle.
If you do not read this entire Owner’s Manual, you may miss important
information. Observe all Warnings and Cautions.
VAN CONVERSIONS/CAMPERS
The New Vehicle Limited Warranty does not apply to body modifications or
special equipment installed by van conversion/camper manufacturers/
body builders. US residents refer to the Warranty Information, Section
2.1.C. Canadian residents refer to the “What Is Not Covered” section of
the Warranty Information. Such equipment includes video monitors,
VCRs, heaters, stoves, refrigerators, etc. For warranty coverage and
service on these items, contact the applicable manufacturer.
Operating instructions for the special equipment installed by the
conversion/camper manufacturer should also be supplied with your
vehicle. If these instructions are missing, please contact an authorized
dealer for assistance in obtaining replacement documents from the
applicable manufacturer.
For information on the Body Builder’s Guide refer to www.ramtrucks.com.
This website contains dimensional and technical specifications for your
vehicle. It is intended for Second Stage Manufacturer's technical support.
For service issues, contact an authorized dealer.
VEHICLE MODIFICATIONS/ALTERATIONS
WARNING!
Any modifications or alterations to this vehicle could seriously affect its
roadworthiness and safety and may lead to a collision resulting in
serious injury or death.

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GETTING TO KNOW YOUR VEHICLE91
There are stampings in the sheet metal on the
inner side bulkheads of the box in front of and
behind both wheel housings. Place wooden
boards across the box from side to side to
create separate load compartments in the
pickup box.
There are four tie-down cleats bolted to the
lower sides of the pickup box that can sustain
loads up to 1000 lbs (450 kg) total.
CARGO CAMERA — IF EQUIPPED
Your vehicle may be equipped with the Cargo
Camera that allows you to see an image of the
inside of the pickup box. The image will be
displayed in the Uconnect screen.
The Cargo Camera is located in the bottom
center area of the Center High-Mounted
Stoplamp (CHMSL).
A touchscreen button to indicate the current
active camera image being displayed is made
available whenever the Cargo Camera image is
displayed.
A touchscreen button to switch the display to
rear view camera image is made available
whenever the Cargo Camera image is displayed. A touchscreen button "X" to disable display of
the camera image is made available when the
vehicle is not in REVERSE gear.
A display timer is initiated when the Cargo
Camera image is displayed. The image will
continue to be displayed until the display timer
exceeds 10 seconds and the vehicle speed is
above 8 mph (13 km/h) or the touchscreen
button "X" to disable display of the Cargo
Camera image is pressed.
Cargo Camera With Dynamic Centerline
(Available With Surround View Camera Only) — If
Equipped
The Dynamic Centerline feature provides an
overlay on the Cargo Camera display screen
that aligns to the center of the pickup box to aid
in hooking up a fifth wheel camper or
gooseneck trailer. The centerline auto aligns to
the center of the pickup box, and can also be
manually adjusted. The centerline will adjust in
response to steering angle inputs, and will not
obstruct the gooseneck receiver or an
approaching trailer gooseneck in the camera
feed.
Activation
The Dynamic Centerline feature can be
activated through the Uconnect settings by
pressing the Cargo Camera soft button,
followed by the “Adjust Centerline” soft button
on the touchscreen.
If the Dynamic Centerline feature is turned on,
the overlay will display anytime the Cargo
Camera image is displayed.
Adjusting Centerline
Follow the steps below to manually adjust the
centerline:

1. Press the “Adjust Centerline” soft button
located in the bottom right corner of the
Cargo Camera display.

2. Use the arrows on the bottom left corner of the Cargo Camera display to adjust the
centerline horizontally or vertically.
3. Once the desired position is achieved, press the “Accept” button to set the centerline to
the newly specified position.
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98GETTING TO KNOW YOUR VEHICLE
SLIDE-IN CAMPERS
CAMPER APPLICATIONS
Certain truck models are not recommended for
slide-in campers. To determine if your vehicle is
excluded, please refer to the “Consumer
Information Truck-Camper Loading” document
at www.ramtrucks.com. For safety reasons,
follow all instructions in this important
document.
NOTE:
When a cap or pickup camper is installed on a
vehicle, an alternate Center High-Mounted Stop
Light (CHMSL) must be provided.
EASY-OFF TAILGATE
To simplify mounting of a camper unit with an
overhang, the tailgate can be removed.
NOTE:
The electric connector at the bottom of the tail -
gate must be disconnected prior to removing
the tailgate.
DISCONNECTING THE REAR CAMERA
A
ND REMOTE KEYLESS ENTRY

1. Open the tailgate to access the rear
camera or Remote Keyless Entry
connector bracket located on the rear sill.

Connector Bracket
2. Remove the connector bracket from the sill
by pushing inward in the locking tab.

Locking Tab

3. Disconnect the chassis wiring harness, ensuring the connector bracket does not
fall into the sill.
4. Connect the chassis plug and bracket (provided in the glove compartment) to the
chassis wiring harness and insert the
bracket back into the sill.
5. Connect the tailgate plug (provided in the glove compartment) to the tailgate wiring
harness to ensure that the terminals do not
corrode.WARNING!
To avoid inhaling carbon monoxide, which is
deadly, the exhaust system on vehicles
equipped with “Cap or Slide-In Campers”
should extend beyond the overhanging
camper compartment and be free of leaks.

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GETTING TO KNOW YOUR VEHICLE99
6. Tape the tailgate harness and bracket
against the forward-facing surface of the
tailgate. This will prevent damaging the
connector and bracket when storing or
reinstalling the tailgate.
REMOVING THE TAILGATE

1. Disconnect the wiring harness for the rear camera and or power locks (if equipped).

NOTE:
Refer to “Disconnecting The Rear Camera And
Remote Keyless Entry” in this section.
2. Unlatch the tailgate and remove the support cables by releasing the lock tang from the
pivot.
NOTE:
Make sure tailgate is supported when removing
support cables.
Locking Tang

3. Position the tailgate on a 45 degree angle.
4. Raise the right side of the tailgate until the right side pivot clears the hanger bracket.
5. Slide the entire tailgate to the right to free the left side pivot.
6. Remove the tailgate from the vehicle. NOTE:
Do not carry the tailgate loose in the truck
pickup box.
LOCKING TAILGATE
The tailgate can be locked using the key fob
lock button.
WARNING!
To avoid inhaling carbon monoxide, which is
deadly, the exhaust system on vehicles
equipped with “Cap or Slide-In Campers”
should extend beyond the overhanging
camper compartment and be free of leaks.2

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STARTING AND OPERATING315
Deactivation
The system is deactivated in the following
conditions if it was activated automatically:
When the vehicle is shifted out of REVERSE
(with camera delay turned on), the camera
image will continue to be displayed for up to
10 seconds, unless the vehicle speed
exceeds 8 mph (13 km/h), the vehicle is
shifted into PARK or the ignition is placed in
the OFF position. There is a touch screen
button “X” to disable the display of the
camera image.
When the vehicle is shifted out of REVERSE
(with camera delay turned off), the Surround
View Camera mode is exited and the last
known screen appears again.
The system is deactivated in the following
conditions if it was activated manually from the
Uconnect controls menu via the Surround View button, Backup Camera button, Cargo Camera
button or Forward Facing Camera button:
The "X" button on the display is pressed
Vehicle is shifted into PARK
Ignition is placed in the OFF position
Vehicle speed is over 8 mph (13 km/h) for
10 seconds
NOTE:
If the Surround View Camera, Cargo Camera,
Backup Camera, or Forward Facing Camera is
activated manually, and the vehicle is shifted
into REVERSE, deactivation methods for auto -
matic activation are assumed.
The camera delay system is turned off manually
through the Uconnect Settings menu. Refer to
“Uconnect Settings” in “Multimedia” for further
information.
NOTE:
If snow, ice, mud, or any foreign substance
builds up on the camera lenses, clean the
lenses, rinse with water, and dry with a soft
cloth. Do not cover the lenses.
If a malfunction with the system has
occurred, see an authorized dealer. Cargo Camera With Dynamic Centerline — If
Equipped
The Dynamic Centerline feature provides an
overlay on the Cargo Camera display screen
that aligns to the center of the pickup box to aid
in hooking up a fifth wheel camper or
gooseneck trailer. The centerline auto aligns to
the center of the pickup box, and can also be
manually adjusted. The centerline will adjust in
response to steering angle inputs, and will not
obstruct the gooseneck receiver or an
approaching trailer gooseneck in the camera
feed.
Activation
The Dynamic Centerline feature can be
activated through the Uconnect settings by
pressing the Cargo Camera soft button,
followed by the “Dynamic Centerline” soft
button on the touchscreen.
If the Dynamic Centerline feature is turned on,
the overlay will display anytime the Cargo
Camera image is displayed.
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553
Belts, Seat
..................................................... 210Blind Spot Monitoring.................................... 153Body Builders Guide........................................ 12Body Mechanism Lubrication........................ 414B-Pillar Location............................................. 433Brake Assist System...................................... 145Brake Control System.................................... 145Brake Fluid.......................................... 421, 463Brake System...................................... 421, 452Fluid Check............................................... 421Master Cylinder......................................... 421Parking...................................................... 231Warning Light............................................ 131Brake/Transmission Interlock....................... 235Bulb Replacement......................................... 351Bulbs, Light.......................................... 212, 351
C
Cab Top Clearance Lights.............................. 357Camera.......................................................... 309Camera, AUX........................................ 311, 318Camera, Rear...................................... 309, 312Camper............................................................ 98Capacities, Antifreeze (Engine Coolant)......... 460Capacities, Fluid.................................. 459, 460Caps, Filler Oil (Engine)...................................... 396, 402Radiator (Coolant Pressure)...................... 419Car Washes................................................... 448Carbon Monoxide Warning.................. 209, 456
Cargo Light....................................................... 52Cellular Phone.............................................. 540Center High Mounted Stop Light................... 356Center Seat Storage Compartment.................. 81Charge Air Cooler.......................................... 421Chart, Tire Sizing........................................... 430Check Engine Light (Malfunction
Indicator Light).............................................. 143Checking Your Vehicle For Safety................. 209Checks, Safety.............................................. 209Child Restraint.............................................. 191Child RestraintsBooster Seats........................................... 194Child Seat Installation..................... 202, 204How To Stow An unused ALR Seat Belt.... 201Infant And Child Restraints....................... 192Locating The LATCH Anchorages.............. 199Lower Anchors And Tethers For Children.. 195Older Children And Child Restraints......... 193Seating Positions...................................... 195Clean Air Gasoline......................................... 454CleaningWheels..................................................... 442Climate Control................................................ 57Automatic.................................................... 61Manual........................................................ 57Cold Weather Operation............................... 217Compact Spare Tire...................................... 441Contract, Service.......................................... 549Cooling Pressure Cap (Radiator Cap)............ 419
Cooling System............................................. 417Adding Coolant (Antifreeze)...................... 418Coolant Level................................... 418, 420Cooling Capacity.............................. 459, 460Disposal Of Used Coolant......................... 420Drain, Flush, And Refill............................. 418Inspection................................................. 420Points To Remember................................ 420Pressure Cap............................................ 419Radiator Cap............................................. 419Selection Of Coolant (Antifreeze).... 418, 459, 461, 464Corrosion Protection..................................... 447Cruise Control (Speed Control)............. 280, 282Cruise Light................................................... 141Cupholders.......................................................86Customer Assistance.................................... 548Cybersecurity................................................ 467
D
Daytime Running Lights...................................49Dealer Service............................................... 401Defroster, Rear Window...................................57Defroster, Windshield............................ 57, 210Delay (Intermittent) Wipers..............................55Diagnostic System, Onboard......................... 142Diesel Exhaust Brake.................................... 232Diesel Fuel.................................................... 456Diesel Fuel Requirements............................. 456
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