2023 RAM 1500 heater

4
WARNING LIGHTS AND MESSAGES.............................. 107
Red Warning Lights ................................................... 108
Yellow Warning Lights ............................................... 110Yellow Indicator Lights .............................................. 113
Green Indicator Lights .............................................. 114
White Indicator Lights ............................................... 115Blue Indicator Lights ................................................. 116
ONBOARD DIAGNOSTIC SYSTEM — OBD II ................. 116 Onboard Diagnostic System
(OBD II) Cybersecurity ............................................... 116
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ..................................................................... 117
STARTING AND OPERATING
STARTING THE ENGINE .................................................. 118 Automatic Transmission ........................................... 118
Tip Start Feature ...................................................... 118Keyless Enter ‘n Go™ — Ignition .............................. 118
Normal Starting Using ENGINE START/STOP
Button ....................................................................... 118
AutoPark .................................................................... 119Extended Park Starting............................................. 120
If Engine Fails To Start ............................................. 121
After Starting ............................................................. 121
ENGINE BLOCK HEATER — IF EQUIPPED ...................... 121
ENGINE BREAK-IN RECOMMENDATIONS .................... 122
PARKING BRAKE ............................................................ 122 Electric Park Brake (EPB) ........................................ 122
AUTOMATIC TRANSMISSION ......................................... 124 Ignition Park Interlock............................................... 125Brake/Transmission Shift Interlock (BTSI)
System ...................................................................... 125
8-Speed Automatic Transmission ........................... 125 FOUR-WHEEL DRIVE OPERATION —
IF EQUIPPED .................................................................... 130
Four-Position Electronically Shifted Transfer
Case — If Equipped .................................................. 130Five-Position Electronically Shifted Transfer
Case — If Equipped .................................................. 132
ACTIVE-LEVEL FOUR CORNER AIR SUSPENSION
SYSTEM — IF EQUIPPED ................................................ 134 Description ................................................................ 134Air Suspension Modes.............................................. 135
Instrument Cluster Display Messages .................... 136
Operation................................................................... 136
ACTIVE-LEVEL FOUR CORNER AIR SUSPENSION
SYSTEM (OFF-ROAD GROUP) — IF EQUIPPED ............ 137 Description ................................................................ 137Air Suspension Modes.............................................. 138
Instrument Cluster Display Messages .................... 139
Operation................................................................... 139
AXLE LOCK SYSTEM — IF EQUIPPED ............................ 140
LIMITED-SLIP DIFFERENTIAL — IF EQUIPPED ............. 140
POWER STEERING .......................................................... 141 Electric Power Steering ........................................... 141
FUEL SAVER TECHNOLOGY 5.7L ENGINES ONLY —
IF EQUIPPED ..................................................................... 141
STOP/START SYSTEM — IF EQUIPPED ......................... 141 Autostop Mode.......................................................... 141
Possible Reasons The Engine Does
Not Autostop ............................................................. 142
To Start The Engine While In Autostop Mode ......... 142
To Manually Turn Off The Stop/Start System ......... 143
To Manually Turn On The Stop/Start System ......... 143
System Malfunction.................................................. 143
CRUISE CONTROL SYSTEMS — IF EQUIPPED ............. 143 Cruise Control ........................................................... 143
Adaptive Cruise Control (ACC) ................................. 145 PARKSENSE FRONT/REAR PARK ASSIST
SYSTEM — IF EQUIPPED ................................................. 152
ParkSense Sensors ................................................... 153
ParkSense Warning Display...................................... 153ParkSense Display .................................................... 153
Enabling And Disabling Front And/Or Rear
ParkSense.................................................................. 156
Service The ParkSense Park Assist System ............ 156
Cleaning The ParkSense System ............................. 156
ParkSense System Usage Precautions .................... 156
PARKSENSE ACTIVE PARK ASSIST
SYSTEM — IF EQUIPPED .................................................. 157 Enabling And Disabling The ParkSense
Active Park Assist System ......................................... 158
Parallel/Perpendicular Parking Space
Assistance Operation ................................................ 159
LANESENSE — IF EQUIPPED .......................................... 161 LaneSense Operation ............................................... 161Turning LaneSense On Or Off ................................... 161
LaneSense Warning Message .................................. 161
Changing LaneSense Status .................................... 163
Turn Signal Activated Blind Spot Assist —
If Equipped................................................................. 163
PARKVIEW REAR BACK UP CAMERA ........................... 163
SURROUND VIEW CAMERA SYSTEM —
IF EQUIPPED ....................................................................165 Forward Facing Camera With Tire Lines —
If Equipped................................................................. 167
TRAILER CAMERAS — IF EQUIPPED ............................. 168 Trailer Surround View Camera System —
If Equipped................................................................. 168
AUX Camera — If Equipped ....................................... 170
REFUELING THE VEHICLE ...............................................171

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9
SYMBOLS KEY
If you do not read the entire Owner’s Manual, you may miss important information.
Observe all Cautions and Warnings.
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, DVD/Blu-Ray™, heaters, stoves, refrigerators, etc. For warranty coverage
and service on these items, contact the applicable manufacturer.
CONSUMER INFORMATION — TRUCK-CAMPER LOADING
This information is provided in fulfillment of the requirement by the United States
Government, Department of Transportation, National Highway Traffic Safety
Administration, that “every manufacturer of trucks that are capable of accommodating
slide-in campers, manufactured on or after April 1, 1973 shall provide... at the time of
original purchase to the first person who purchases the truck”... information on Truck
Camper Loading.
A slide-in camper document is provided in your vehicle’s glove compartment that contains
your Vehicle Identification Number, truck model, cargo weight rating, and the forward/
rearward limit of a camper. To obtain additional dimensional and technical specifications
for your vehicle, please visit https://www.ramtrucks.com.
WARNING!
These statements apply to operating procedures that
could result in a collision, bodily injury and/or death.
CAUTION! These statements apply to procedures that could result in
damage to your vehicle.
NOTE: A suggestion which will improve installation, operation,
and reliability. If not followed, may result in damage.
TIP: General ideas/solutions/suggestions on easier use of the
product or functionality.
PAGE REFERENCE ARROW
Follow this reference for additional information on a
particular feature.
FOOTNOTE Supplementary and relevant information pertaining to
the topic.
1

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GETTING TO KNOW YOUR VEHICLE29
DRIVER MEMORY SETTINGS — IF EQUIPPED
This feature allows the driver to save up to two different
memory profiles for easy recall through a memory switch.
Each memory profile saves desired position settings for
the following features:
Driver’s seat
 Easy Entry/Exit seat operation (if equipped)
 Adjustable pedals (if equipped)
 Side mirrors
NOTE:Your vehicle is equipped with two key fobs, each can be
linked to either memory position 1 or 2. The driver memory settings switch is located on the driver
door, next to the door handle, and consists of three
buttons:

The set (S) button, which is used to activate the
memory save function.
 The (1) and (2) buttons which are used to recall either
of two saved memory profiles.

Memory Settings Switch

PROGRAMMING THE MEMORY FEATURE
To create a new memory profile, perform the following:
NOTE:Saving a new memory profile will erase the selected profile
from memory.

1. Place the vehicle’s ignition in the ON/RUN position
(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 the set (S) button on the memory switch, and
then push the desired memory button (1 or 2) within
five seconds. The instrument cluster display will
display which memory position has been set.
NOTE:Memory profiles can be set without the vehicle in PARK,
but the vehicle must be in PARK to recall a memory profile.
LINKING AND UNLINKING THE KEY FOB
T
O MEMORY
Your key fob can be programmed to recall one of two
saved memory profiles.
NOTE:Before programming your key fob you must select the
“Personal Settings Linked to Key Fob” feature through the
Uconnect system
Úpage 191.
To program your key fob, perform the following:

1. Place the vehicle’s ignition in the OFF position.

2. Select a desired memory profile 1 or 2.
3. Once the profile has been recalled, push and release the set (S) button on the memory switch.
4. Push and release button (1) or (2) accordingly. “Memory Profile Set” (1 or 2) will display in the
instrument cluster.
5. Push and release the lock button on the key fob within 10 seconds.
NOTE:Your key fob can be unlinked from your memory settings
by pushing the set (S) button, followed by pushing the
unlock button on the key fob within 10 seconds.
WARNING!
Persons who are unable to feel pain to the skin
because of advanced age, chronic illness, diabetes,
spinal cord injury, medication, alcohol use, exhaus -
tion, or other physical conditions must exercise care
when using the steering wheel heater. It may cause
burns even at low temperatures, especially if used
for long periods.
 Do not place anything on the steering wheel that
insulates against heat, such as a blanket or steering
wheel covers of any type or material. This may cause
the steering wheel heater to overheat.
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GETTING TO KNOW YOUR VEHICLE33
Power Lumbar — If Equipped
Vehicles equipped with power driver or passenger seats
may also be equipped with a 2-way or a 4-way power
lumbar adjustment. 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. If equipped with
a 4-way adjustment, pushing upward or downward on the
switch will raise and lower the position of the support.

Power Lumbar Switch

Easy Entry/Exit Seat — If Equipped
This feature provides automatic driver’s seat positioning
to enhance driver mobility when entering and exiting the
vehicle.
The distance the driver’s seat moves depends on where
you have the driver’s seat positioned when you place the
vehicle’s ignition in the OFF position.
When you place the vehicle’s ignition in the OFF
position, the driver’s seat will move about 2.4 inches
(6 cm) rearward if the driver’s seat position is greater
than or equal to 2.7 inches (6.77 cm) forward of the
rear stop. The seat will return to its previously set
position when you place the ignition into the ACC or
ON/RUN position.
 When you remove the key fob from the ignition, the
driver’s seat will move to a position 0.3 inches
(0.77 cm) forward of the rear stop if the driver’s seat
position is between 0.9 inches and 2.7 inches
(2.27 cm and 6.77 cm) forward of the rear stop.
The seat will return to its previously set position when
you place the ignition to the ACC or ON/RUN position.
 The Easy Entry/Easy Exit feature is disabled when the
driver’s seat position is less than 0.9 inches (2.27 cm)
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. When enabled in Uconnect Settings, Easy Entry and Easy
Exit positions are stored in each memory setting profile Úpage 29.
NOTE:The Easy Entry/Exit feature is enabled or disabled through
the programmable features in the Uconnect system
Úpage 191.
HEATED SEATS — IF EQUIPPED
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.
WARNING!

Persons who are unable to feel pain to the skin
because of advanced age, chronic illness, diabetes,
spinal cord injury, medication, alcohol use, exhaus -
tion 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 overheated could cause serious
burns due to the increased surface temperature of
the seat.
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34GETTING TO KNOW YOUR VEHICLE
Front Heated Seats — If Equipped
The heated seat control buttons are located on
the center stack below the radio screen, or
within the Uconnect system.
 Press the heated seat button once to turn the HI
setting on.
 Press the heated seat button a second time to turn the
MED setting on.
 Press the heated seat button a third time to turn the
LO setting on.
 Press the heated seat button a fourth time to turn the
heating elements off.
NOTE:
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.
 The level of heat selected will stay on until the operator
changes it.
For information on use with the Remote Start system, see
Úpage 22.
Rear Heated Seats — If Equipped
On some models, the two rear outboard seats
may be equipped with heated seats. There are
two heated seat switches that allow the rear
passengers to operate the seats
independently. The heated seat switches for each heater
are located on the rear of the center console. You can choose from HI, MED, LO, or OFF heat settings.
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.
VENTILATED SEATS — IF EQUIPPED
Front Ventilated Seats
The ventilated seat control buttons are located
on the center stack below the radio screen, or
within the Uconnect system. The fans operate
at three speeds: HI, MED and LO.
 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.
For information on use with the Remote Start system, see
Úpage 22.
Rear Ventilated Seats — If Equipped
If equipped, the two outboard rear seats will
have ventilated seats. The rear ventilated seat
control switches are located on the rear of the
center console.
The fans operate at three speeds: HI, MED, and LO. Push
the ventilated seat buttons to toggle through the speeds,
or to turn the feature off.
NOTE:The engine must be running for the ventilated seats to
operate.
PLASTIC GROCERY BAG RETAINERS —
I
F EQUIPPED
Retainer hooks which will hold plastic grocery bag handles
are attached to the underside of the rear seat cushion. To
access these hooks, lift the rear seat cushion upward.
HEAD RESTRAINTS
Head restraints are designed to reduce the risk of injury by
restricting head movement in the event of a rear impact.
Head restraints should be adjusted so that the top of the
head restraint is located above the top of your ear.

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GETTING TO KNOW YOUR VEHICLE59
AUTOMATIC TEMPERATURE CONTROL
(ATC) — I
F EQUIPPED
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
temperature.
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
by selecting the US/Metric customer-programmable
feature within Uconnect Settings
Úpage 191.
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 —
I
F EQUIPPED
Adjust vehicle temperatures hands-free and keep
everyone comfortable while you keep moving ahead.
Push the VR button on the steering wheel. After the beep,
say one of the following commands:
 “Set driver temperature to 70 degrees”
 “Set passenger temperature to 70 degrees”
Did you know: 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.
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 387.
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.
2

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STARTING AND OPERATING121
(Continued)
IF ENGINE FAILS TO START
If the engine fails to start after you have followed the
“Normal Starting” procedure and the vehicle has not
experienced an Extended Park condition as defined
above, it may be flooded. Push the accelerator pedal all
the way to the floor and hold it there while the engine is
cranking. This should clear any excess fuel in case the
engine is flooded.
The starter motor will engage automatically, run for 10
seconds, and then disengage. Once this occurs, release
the accelerator pedal and the brake pedal, wait 10 to 15
seconds, then repeat the “Normal Starting” procedure.
If the engine has been flooded, it may start to run, but not
have enough power to continue running when the ignition
button/key is released. If this occurs, continue cranking
with the accelerator pedal pushed all the way to the floor.
Release the accelerator pedal and the ignition button/key
once the engine is running smoothly.
If the engine shows no sign of starting after a 10 second
period of engine cranking with the accelerator pedal held
to the floor, wait 10 to 15 seconds, then repeat the
“Normal Starting” procedure.
AFTER STARTING
The idle speed is controlled automatically, and it will
decrease as the engine warms up.
ENGINE BLOCK HEATER — IF EQUIPPED

Engine Block Heater Cord Location

The engine block heater warms engine coolant and
permits quicker starts in cold weather. Connect the heater
cord to a ground-fault interrupter protected 110–115 Volt
AC electrical outlet with a grounded, three-wire extension
cord.
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater
(available from an authorized dealer) is recommended.
The engine block heater cord is routed under the hood on
the passenger side of the vehicle next to the engine
coolant reservoir.
WARNING!
Never pour fuel or other flammable liquid into the
throttle body air inlet opening in an attempt to start
the vehicle. This could result in flash fire causing
serious personal injury.
 Do not attempt to push or tow your vehicle to get it
started. Vehicles equipped with an automatic trans -
mission cannot be started this way. Unburned fuel
could enter the catalytic converter and once the
engine has started, ignite and damage the converter
and vehicle.
 If the vehicle has a discharged battery, booster
cables may be used to obtain a start from a booster
battery or the battery in another vehicle. This type of
start can be dangerous if done improperly
Úpage 325.
CAUTION!
To prevent damage to the starter, do not crank the
engine for more than 10 seconds at a time.
Wait 10 to 15 seconds before trying again.
WARNING!
WARNING!
Remember to disconnect the engine block heater cord
before driving. Damage to the 110-115 Volt electrical
cord could cause electrocution.
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SAFETY297
If A Deployment Occurs
The front air bags are designed to deflate immediately
after deployment.
NOTE:Front and/or side air bags will not deploy in all collisions.
This does not mean something is wrong with the air bag
system.
If you do have a collision which deploys the air bags, any
or all of the following may occur:
The air bag material may sometimes cause abrasions
and/or skin reddening to the occupants as the air bags
deploy and unfold. The abrasions are similar to friction
rope burns or those you might get sliding along a carpet
or gymnasium floor. They are not caused by contact
with chemicals. They are not permanent and normally
heal quickly. However, if you haven’t healed signifi -
cantly within a few days, or if you have any blistering,
see your doctor immediately.
 As the air bags deflate, you may see some smoke-like
particles. The particles are a normal by-product of the
process that generates the non-toxic gas used for air
bag inflation. These airborne particles may irritate the
skin, eyes, nose, or throat. If you have skin or eye irrita -
tion, rinse the area with cool water. For nose or throat
irritation, move to fresh air. If the irritation continues,
see your doctor. If these particles settle on your
clothing, follow the garment manufacturer’s instruc -
tions for cleaning. Do not drive your vehicle after the air bags have deployed.
If you are involved in another collision, the air bags will not
be in place to protect you.
NOTE:

Air bag covers may not be obvious in the interior trim,
but they will open during air bag deployment.
 After any collision, the vehicle should be taken to an
authorized dealer immediately.
Enhanced Accident Response System
In the event of an impact, if the communication network
remains intact, and the power remains intact, depending
on the nature of the event, the Occupant Restraint
Controller (ORC) will determine whether to have the
Enhanced Accident Response System perform the
following functions:
Cut off fuel to the engine (if equipped)
 Cut off battery power to the electric motor (if equipped)
 Flash hazard lights as long as the battery has power 
Turn on the interior lights, which remain on as long as
the battery has power or for 15 minutes from the inter -
vention of the Enhanced Accident Response System
 Unlock the power door locks
Your vehicle may also be designed to perform any of these
other functions in response to the Enhanced Accident
Response System:
 Turn off the Fuel Filter Heater, Turn off the HVAC Blower
Motor, Close the HVAC Circulation Door
 Cut off battery power to the:
 Engine
 Electric Motor (if equipped)
 Electric power steering
 Brake booster
 Electric park brake
 Automatic transmission gear selector
 Horn
 Front wiper
 Headlight washer pump (if equipped)
NOTE:After an accident, remember to cycle the ignition to the
STOP (OFF/LOCK) position and remove the key from the
ignition switch to avoid draining the battery. Carefully
check the vehicle for fuel leaks in the engine compartment
and on the ground near the engine compartment and fuel
tank before resetting the system and starting the engine.
If there are no fuel leaks or damage to the vehicle elec -
trical devices (e.g. headlights) after an accident, reset the
system by following the procedure described below. If you
have any doubt, contact an authorized dealer.
WARNING!
Deployed air bags and seat belt pretensioners cannot
protect you in another collision. Have the air bags, seat
belt pretensioners, and the seat belt retractor
assemblies replaced by an authorized dealer
immediately. Also, have the Occupant Restraint
Controller System serviced as well.
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