2023 RAM 1500 load capacity

SERVICING AND MAINTENANCE377
(Continued)
TIRES — GENERAL INFORMATION
Tire Pressure
Proper tire inflation pressure is essential to the safe and
satisfactory operation of your vehicle. Four primary areas
are affected by improper tire pressure:
Safety
 Fuel Economy
 Tread Wear
 Ride Comfort and Vehicle Stability
Safety Both underinflation and overinflation affect the stability of
the vehicle and can produce a feeling of sluggish response
or over responsiveness in the steering.
NOTE:

Unequal tire pressures from side to side may cause
erratic and unpredictable steering response.
 Unequal tire pressure from side to side may cause the
vehicle to drift left or right.
Fuel Economy
Underinflated tires will increase tire rolling resistance
resulting in higher fuel consumption.
Tread Wear
Improper cold tire inflation pressures can cause abnormal
wear patterns and reduced tread life, resulting in the need
for earlier tire replacement. Ride Comfort And Vehicle Stability
Proper tire inflation contributes to a comfortable ride.
Overinflation produces a jarring and uncomfortable ride.
Tire Inflation Pressures
The proper cold tire inflation pressure is listed on the
driver's side B-pillar or rear edge of the driver's side door.
At least once a month:

Check and adjust tire pressure with a good quality
pocket-type pressure gauge. Do not make a visual
judgment when determining proper inflation.
Tires may look properly inflated even when they are
underinflated.
 Inspect tires for signs of tire wear or visible damage.
Inflation pressures specified on the placard are always
“cold tire inflation pressure”. Cold tire inflation pressure is
defined as the tire pressure after the vehicle has not been
driven for at least three hours, or driven less than 1 mile
(1.6 km) after sitting for a minimum of three hours. The
cold tire inflation pressure must not exceed the maximum
inflation pressure molded into the tire sidewall.
WARNING!
Overloading of your tires is dangerous. Overloading can
cause tire failure, affect vehicle handling, and increase
your stopping distance. Use tires of the recommended
load capacity for your vehicle. Never overload them.
WARNING!
 Improperly inflated tires are dangerous and can
cause collisions.
 Underinflation increases tire flexing and can result in
overheating and tire failure.
 Overinflation reduces a tire's ability to cushion shock.
Objects on the road and chuckholes can cause
damage that result in tire failure.
Overinflated or underinflated tires can affect vehicle
handling and can fail suddenly, resulting in loss of
vehicle control.
 Unequal tire pressures can cause steering problems.
You could lose control of your vehicle.
 Unequal tire pressures from one side of the vehicle
to the other can cause the vehicle to drift to the right
or left.
 Always drive with each tire inflated to the recom -
mended cold tire inflation pressure.
WARNING!
CAUTION!
After inspecting or adjusting the tire pressure, always
reinstall the valve stem cap. This will prevent moisture
and dirt from entering the valve stem, which could
damage the valve stem.
8

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378SERVICING AND MAINTENANCE
Check tire pressures more often if subject to a wide range
of outdoor temperatures, as tire pressures vary with
temperature changes.
Tire pressures change by approximately 1 psi (7 kPa) per
12°F (7°C) of air temperature change. Keep this in mind
when checking tire pressure inside a garage, especially in
the Winter.
Example: If garage temperature = 68°F (20°C) and the
outside temperature = 32°F (0°C) then the cold tire
inflation pressure should be increased by 3 psi (21 kPa),
which equals 1 psi (7 kPa) for every 12°F (7°C) for this
outside temperature condition.
Tire pressure may increase from 2 to 6 psi (13 to 40 kPa)
during operation. DO NOT reduce this normal pressure
build up or your tire pressure will be too low.
Tire Pressures For High Speed Operation
The manufacturer advocates driving at safe speeds and
within posted speed limits. Where speed limits or
conditions are such that the vehicle can be driven at high
speeds, maintaining correct tire inflation pressure is very
important. Increased tire pressure and reduced vehicle
loading may be required for high-speed vehicle operation.
Refer to an authorized tire dealer or original equipment
vehicle dealer for recommended safe operating speeds,
loading and cold tire inflation pressures.
Radial Ply Tires
Tire Repair
If your tire becomes damaged, it may be repaired if it
meets the following criteria:
The tire has not been driven on when flat
 The damage is only on the tread section of your tire
(sidewall damage is not repairable)
 The puncture is no greater than ¼ of an inch (6 mm)
Consult an authorized tire dealer for tire repairs and
additional information. Damaged Run Flat tires, or Run Flat tires that have
experienced a loss of pressure should be replaced
immediately with another Run Flat tire of identical size and
service description (Load Index and Speed Symbol).
Replace the tire pressure sensor as well as it is not
designed to be reused.
Run Flat Tires — If Equipped
Run Flat tires allow you the capability to drive 50 miles
(80 km) at 50 mph (80 km/h) after a rapid loss of inflation
pressure. This rapid loss of inflation is referred to as the
Run Flat mode. A Run Flat mode occurs when the tire
inflation pressure is of/or below 14 psi (96 kPa).
Once a Run Flat tire reaches the Run Flat mode it has
limited driving capabilities and needs to be replaced
immediately. A Run Flat tire is not repairable. When a Run
Flat tire is changed after being driven in a Run Flat mode
14 psi (96 kPa) condition, please replace the TPMS sensor
as it is not designed to be reused.
NOTE:The TPMS Sensor must be replaced after driving the
vehicle on a flat tire condition.
It is not recommended driving a vehicle loaded at full
capacity or to tow a trailer while a tire is in the
Run Flat mode.
For more information
Úpage 277.
WARNING!
High speed driving with your vehicle under maximum
load is dangerous. The added strain on your tires could
cause them to fail. You could have a serious collision.
Do not drive a vehicle loaded to the maximum capacity
at continuous speeds above 75 mph (120 km/h).
WARNING!
Combining radial ply tires with other types of tires on
your vehicle will cause your vehicle to handle poorly.
The instability could cause a collision. Always use radial
ply tires in sets of four. Never combine them with other
types of tires.

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380SERVICING AND MAINTENANCE
Replacement Tires
The tires on your new vehicle provide a balance of many
characteristics. They should be inspected regularly for
wear and correct cold tire inflation pressures. The
manufacturer strongly recommends using tires equivalent
to the originals in size, quality and performance when
replacement is needed
Úpage 379. Refer to the Tire And
Loading Information Placard or the Vehicle Certification
Label for the size designation of your tire. The Load Index
and Speed Symbol for your tire will be found on the original
equipment tire sidewall.
For more information relating to the Load Index and Speed
Symbol of a tire
Úpage 371.
It is recommended to replace the two front tires or two rear
tires as a pair. Replacing just one tire can seriously affect
your vehicle’s handling. If you ever replace a wheel, make
sure that the wheel’s specifications match those of the
original wheels.
It is recommended you contact an authorized tire dealer or
original equipment dealer with any questions you may
have on tire specifications or capability. Failure to use
equivalent replacement tires may adversely affect the
safety, handling, and ride of your vehicle.
TIRE TYPES
All Season Tires — If Equipped
All Season tires provide traction for all seasons (Spring,
Summer, Autumn, and Winter). Traction levels may vary
between different all season tires. All season tires can be
identified by the M+S, M&S, M/S or MS designation on the
tire sidewall. Use all season tires only in sets of four;
failure to do so may adversely affect the safety and
handling of your vehicle.
Summer Or Three Season Tires —
If Equipped
Summer tires provide traction in both wet and dry
conditions, and are not intended to be driven in snow or on
ice. If your vehicle is equipped with Summer tires, be
aware these tires are not designed for Winter or cold
driving conditions. Install Winter tires on your vehicle when
ambient temperatures are less than 40°F (5°C) or if
roads are covered with ice or snow. For more information,
contact an authorized dealer.
Summer tires do not contain the all season designation or
mountain/snowflake symbol on the tire sidewall. Use
Summer tires only in sets of four; failure to do so may
adversely affect the safety and handling of your vehicle.
WARNING!
 Do not use a tire, wheel size, load rating, or speed
rating other than that specified for your vehicle.
Some combinations of unapproved tires and wheels
may change suspension dimensions and perfor -
mance characteristics, resulting in changes to
steering, handling, and braking of your vehicle. This
can cause unpredictable handling and stress to
steering and suspension components. You could
lose control and have a collision resulting in serious
injury or death. Use only the tire and wheel sizes with
load ratings approved for your vehicle.
 Never use a tire with a smaller load index or capacity,
other than what was originally equipped on your
vehicle. Using a tire with a smaller load index could
result in tire overloading and failure. You could lose
control and have a collision.
 Failure to equip your vehicle with tires having
adequate speed capability can result in sudden tire
failure and loss of vehicle control.
CAUTION!
Replacing original tires with tires of a different size may
result in false speedometer and odometer readings.WARNING!
Do not use Summer tires in snow/ice conditions. You
could lose vehicle control, resulting in severe injury or
death. Driving too fast for conditions also creates the
possibility of loss of vehicle control.

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408 N
Navigation .................................................................... 103
New Vehicle Break-In Period ....................................... 122
OOccupant Restraints .................................................... 282
Octane Rating, Gasoline (Fuel) ................................... 393
Off Road Pages ............................................................ 256 Accessory Gauges................................................... 259
Pitch And Roll .......................................................... 260
Status Bar ............................................................... 257Vehicle Dynamics.................................................... 258
Off-Pavement Driving (Off-Road) ................................. 190
Off-Road Driving (Off-Pavement) ................................. 190
Oil Filter, Change .......................................................... 342
Oil Filter, Selection ....................................................... 342
Oil Life Reset ¹ .............................................................. 101
Oil Pressure Light ......................................................... 109
Oil, Engine............................................................ 341
, 396
Capacity ................................................................... 395
Dipstick.................................................................... 340
Disposal................................................................... 342
Filter......................................................................... 342
Filter Disposal ......................................................... 342 Identification Logo .................................................. 341Materials Added To................................................. 342Pressure Warning Light .......................................... 109Recommendation .......................................... 341
, 395
Synthetic.................................................................. 342
Viscosity................................................................... 395
Onboard Diagnostic System ........................................ 116
Operating Precautions ................................................. 116 Operator Manual
Owner's Manual ....................................................... 401
Outside Rearview Mirrors............................................... 40
Overheating, Engine ..................................................... 327
PPaddle Shifters ............................................................. 129
Paint Care...................................................................... 388
Pair (Link) Uconnect Phone To A Mobile Phone

b
...230
Panic Alarm ..................................................................... 17
Parallel Parking ............................................................. 159
Parking Brake ............................................................... 122
Parking Lights ................................................................. 48
ParkSense Front And Rear......................................................... 152
ParkSense Active Park Assist ...................................... 157
ParkSense System, Rear.............................................. 152
Passive Entry................................................................... 25 Pedals, Adjustable .......................................................... 38
Pedestrian Warning System ......................................... 276
Pets ................................................................................ 311
Phone Mode .................................................................. 228
Pickup Box................................................................ 79
, 81
Pinch Protection.............................................................. 73
Placard, Tire And Loading Information ........................ 374
Power Distribution Center (Fuses)........................... 355
, 360
Door Locks ................................................................. 25
Mirrors ........................................................................ 41
Outlet (Auxiliary Electrical Outlet) ...................... 66
, 67
Seats .......................................................................... 32
Side Steps .................................................................. 25
Sliding Rear Window ................................................. 71
Steering ....................................................................141 Sunroof ...................................................................... 72
Windows .................................................................... 70
Power Seats Down .......................................................................... 32
Forward ...................................................................... 32
Rearward ................................................................... 32
Recline ....................................................................... 32
Tilt .............................................................................. 32
Up ............................................................................... 32
Power Steering ............................................................. 141
Pregnant Women And Seat Belts ................................ 287
Presets .......................................................................... 224
Pressure Washing ........................................................ 341
Pretensioners Seat Belts ................................................................ 287
Profile Settings ............................................................. 193
RRadial Ply Tires ............................................................. 378
Radiator Cap (Coolant Pressure Cap) ................349, 350
Radio Off Road Pages ....................................................... 256Presets ..................................................................... 224Settings.................................................................... 191
Sound Setting .......................................................... 211
Radio Controls .............................................................. 218
Radio Mode .................................................................. 218
Radio Operation ..................................................218
, 252
Radio Remote Controls ................................................ 218
Rain Sensitive Wiper System......................................... 53 RamBox........................................................................... 81
RamBox Safety ............................................................... 83Rear Axle (Differential) ................................................. 353
Rear Cargo Area Utility Rails .......................................... 80

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410
Shifting.......................................................................... 124Automatic Transmission......................................... 125
Transfer Case, Shifting Into Transfer CaseNeutral (N) ......................................................... 187
Transfer Case, Shifting Out Of Transfer Case Neutral (N) ......................................................... 188
Shoulder Belts .............................................................. 283
Side Steps, Power ...........................................................25
Signals, Turn................................................. 49
, 115, 313
Sirius Satellite Radio ................................................... 220 Favorites.................................................................. 223
Replay ...................................................................... 222
SiriusXM Satellite Radio Browse in SXM ........................................................ 223Favorites.................................................................. 223
Replay ...................................................................... 222
Sliding Rear Window, Power...........................................71 Smart Watch................................................................. 248
Snow Chains (Tire Chains)........................................... 384
Snow Plow .................................................................... 184
Snow Tires .................................................................... 381
SOS Call ............................................................... 239
, 248
Spare Tires .......................................................... 381, 382
Speed Control (Cruise Control) ................................... 145
Starting ......................................................................... 118 Automatic Transmission......................................... 118
Button .........................................................................20
Engine Fails To Start............................................... 121
Starting And Operating ................................................ 118
Starting Procedures ..................................................... 118 Steering
Power ....................................................................... 141
Tilt Column ................................................................. 28
Wheel, Heated ........................................................... 28
Wheel, Tilt .................................................................. 28
Wheel, Voice Recognition ......................................... 36
Steering Wheel Audio Controls ....................................218
Steering Wheel Mounted Sound System .................... 218
Steps, Power Side ........................................................... 25
Stolen Vehicle Assistance .................................. 246
, 250
Stop/Start .....................................................................141
Storage ............................................................................ 60 Below Seat ................................................................. 64
Door ............................................................................ 60
Front Bench Seat....................................................... 63
Glove Compartment .................................................. 60
In Floor ....................................................................... 64
Rear Console ............................................................. 63
Storage Compartment, Center Seat .............................. 60
Storage, Vehicle .....................................................59
, 387
Store Radio Presets ...................................................... 224
Storing Your Vehicle ..................................................... 387
Sun Roof ................................................................... 72
, 73
Sunglasses Storage ........................................................ 62
Sunshade Operation....................................................... 73
Surround View Camera ................................................ 165
Suspension Air ................................................................... 134
, 137
Sway Control, Trailer..................................................... 268
Symbol Glossary ............................................................. 11
Synthetic Engine Oil ...................................................... 342
TTailgate ........................................................................... 74
Tailgate Removal ............................................................ 76
Tailgate, Electronic Lowering ......................................... 75 Tailgate, Multifunction ................................................... 75
Telescoping Steering Column ........................................ 28
Temperature Control, Automatic (ATC) ......................... 59
Tilt Down .......................................................................... 32
Up ............................................................................... 32
Tilt Steering Column ....................................................... 28 Tip Start......................................................................... 118
Tire And Loading Information Placard ........................ 374
Tire Identification Number (TIN) .................................. 372
Tire Markings ................................................................ 370
Tire Safety Information ................................................ 370
Tire Terminology And Definitions................................. 373
Tires ................................................... 312
, 377, 381, 386
Aging (Life Of Tires) ................................................. 379 Air Pressure ............................................................. 377
Chains ...................................................................... 384Compact Spare........................................................ 381Dual.......................................................................... 392
General Information.......................................377
, 381
High Speed .............................................................. 378 Inflation Pressure .................................................... 377
Life Of Tires ............................................................. 379
Load Capacity .......................................................... 374
Pressure Monitoring System (TPMS) ............ 112
, 277
Quality Grading........................................................ 386 Radial ....................................................................... 378

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