2020 Ram 4500 Chassis Cab oil temperature

3
EXTERIOR LIGHTS ...............................................44 Multifunction Lever ...................................... 44
Headlight Switch .......................................... 44
Daytime Running Lights (DRLs) ................. 45
High/Low Beam Switch ............................... 45
Automatic High Beam Headlamp
Control — If Equipped .................................. 45 Flash-To-Pass ............................................. 46
Automatic Headlights — If Equipped .......... 46
Parking Lights And Panel Lights ................. 46
Directional LED Headlamp System —
If Equipped ................................................... 46 Headlights On With Wipers (Available With
Automatic Headlights Only) ......................... 46 Headlight Delay ............................................ 47
Lights-On Reminder ..................................... 47
Front Fog Lights — If Equipped .................. 47
Turn Signals ............................................. 47
Lane Change Assist — If Equipped ............. 47
Cargo Lights/Trailer Spotter Lights —
If Equipped ................................................... 47 Battery Saver................................................ 48
INTERIOR LIGHTS ................................................48
Courtesy Lights ............................................ 48
Illuminated Entry ......................................... 49
WINDSHIELD WIPERS AND WASHERS ............50
Windshield Wipers ..................................... 50
Rain Sensing Wipers — If Equipped ........... 51 CLIMATE CONTROLS ........................................... 51
Manual Climate Control Overview ............ 52
Automatic Climate Control Overview .......... 55
Climate Control Functions........................... 62
Automatic Temperature Control (ATC) ...... 62
Operating Tips ............................................. 63
WINDOWS ............................................................ 64
Power Windows — If Equipped .................... 64
Wind Buffeting ............................................ 66
HOOD .................................................................... 66
To Open The Hood ...................................... 66
To Close The Hood ....................................... 67
GARAGE DOOR OPENER — IF EQUIPPED ........ 67
Before You Begin Programming
HomeLink® .................................................. 68 Canadian/Gate Operator Programming ..... 70
Using HomeLink®........................................ 71
Security......................................................... 71
Troubleshooting Tips ................................... 71
General Information .................................... 72
INTERNAL EQUIPMENT ........................................ 72
Storage ......................................................... 72
Cupholders .................................................. 77
Electrical Power Outlets ............................ 78
Power Inverter — If Equipped ..................... 80
Wireless Charging Pad — If Equipped ........ 81
Overhead Sunglass Storage ....................... 81
GETTING TO KNOW YOUR INSTRUMENT PANEL
BASE / MIDLINE INSTRUMENT CLUSTER..........82Base / Midline Instrument Cluster
Descriptions ................................................. 83
PREMIUM INSTRUMENT CLUSTER .....................85
Premium Instrument Cluster
Descriptions ................................................. 86
DIESEL INSTRUMENT CLUSTER .........................87
DIESEL INSTRUMENT CLUSTER ................ 88
INSTRUMENT CLUSTER .......................................90
Diesel INSTRUMENT CLUSTER .................. 91
INSTRUMENT CLUSTER DISPLAY .......................92
Instrument Cluster Display Controls .......... 92
Oil Life Reset ............................................... 93
Display Menu Items ..................................... 94
Diesel Messages And Warnings —
6.7L Cummins Diesel Engine ................... 103 Battery Saver On/Battery Saver Mode
Message — Electrical Load Reduction Actions
— If Equipped .......................................... 107
WARNING LIGHTS AND MESSAGES ............... 108
Red Warning Lights ................................... 108
Yellow Warning Lights ............................... 111Yellow Indicator Lights .............................. 115
Green Indicator Lights ............................... 116White Indicator Lights ............................... 117Blue Indicator Lights ................................. 118

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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

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84GETTING TO KNOW YOUR INSTRUMENT PANEL
6. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the ignition is in the ON/
RUN position.
 The fuel pump symbol points
to the side of the vehicle where
the fuel door is located.
Refer to “Refueling The Vehicle — Gas
Engine” in “Starting And Operating” for
further information. 7. Temperature Gauge
The gauge pointer shows engine coolant
temperature. The pointer positioned
within the normal range indicates that
the engine cooling system is operating
satisfactorily.
The gauge pointer will likely indicate a higher temperature when driving in hot
weather, up mountain grades, or when
towing a trailer. It should not be allowed
to exceed the upper limits of the normal
operating range.
WARNING!
A hot engine cooling system is dangerous.
You or others could be badly burned by steam
or boiling coolant. You may want to call an
authorized dealer for service if your vehicle
overheats. If you decide to look under the
hood yourself, see “Servicing And
Maintenance.” Follow the warnings under the
Cooling System Pressure Cap paragraph.
CAUTION!
Driving with a hot engine cooling system
could damage your vehicle. If the
temperature gauge reads “H,” pull over and
stop the vehicle. Idle the vehicle with the air
conditioner turned off until the pointer drops
back into the normal range. If the pointer
remains on the “H,” turn the engine off
immediately and call an authorized dealer for
service.

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86GETTING TO KNOW YOUR INSTRUMENT PANEL
Premium Instrument Cluster Descriptions

1. Tachometer

Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Instrument Cluster Display
When the appropriate conditions exist, this display shows the instrument cluster
display messages. Refer to “Instrument
Cluster Display” in “Getting To Know Your
Instrument Panel” for further informa -
tion.
3. Speedometer
Indicates vehicle speed. 4. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the ignition is in the ON/
RUN position.
 The fuel pump symbol points
to the side of the vehicle where
the fuel door is located.
Refer to “Refueling The Vehicle — Gas
Engine” in “Starting And Operating” for
further information.
5. Temperature Gauge
The gauge pointer shows engine coolant temperature. The pointer positioned
within the normal range indicates that
the engine cooling system is operating
satisfactorily.
The gauge pointer will likely indicate a higher temperature when driving in hot
weather, up mountain grades, or when
towing a trailer. It should not be allowed
to exceed the upper limits of the normal
operating range.
WARNING!
A hot engine cooling system is dangerous.
You or others could be badly burned by steam
or boiling coolant. You may want to call an
authorized dealer for service if your vehicle
overheats. If you decide to look under the
hood yourself, see “Servicing And
Maintenance.” Follow the warnings under the
Cooling System Pressure Cap paragraph.
CAUTION!
Driving with a hot engine cooling system
could damage your vehicle. If the
temperature gauge reads “H,” pull over and
stop the vehicle. Idle the vehicle with the air
conditioner turned off until the pointer drops
back into the normal range. If the pointer
remains on the “H,” turn the engine off
immediately and call an authorized dealer for
service.

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88GETTING TO KNOW YOUR INSTRUMENT PANEL
DIESEL INSTRUMENT CLUSTER

1. Tachometer

Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Engine Coolant Temperature
This gauge shows the engine coolant temperature. The gauge pointer will likely
show higher temperatures when driving
in hot weather, up mountain grades, or in
heavy stop and go traffic. If the red
Warning Light turns on while driving,
safely bring the vehicle to a stop, and
turn off the engine. DO NOT operate the
vehicle until the cause is corrected. 3. Instrument Cluster Display
When the appropriate conditions exist,
this display shows the instrument cluster
display messages. Refer to “Instrument
Cluster Display” in “Getting To Know Your
Instrument Panel” for further informa -
tion.
4. Oil Pressure Gauge
The pointer should always indicate some oil pressure when the engine is running.
A continuous high or low reading under
normal driving conditions may indicate a
lubrication system malfunction. Imme -
diate service should be obtained from an
authorized dealer.
WARNING!
A hot engine cooling system is dangerous.
You or others could be badly burned by steam
or boiling coolant. You may want to call an
authorized dealer for service if your vehicle
overheats.
CAUTION!
Driving with a hot engine cooling system
could damage your vehicle. If the
temperature gauge reads greater “H,” pull
over and stop the vehicle. Idle the vehicle
with the air conditioner turned off until the
pointer drops back into the normal range. If
the pointer remains on the “h,” turn the
engine off immediately and call an authorized
dealer for service.

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94GETTING TO KNOW YOUR INSTRUMENT PANEL
Secondary Method Of Resetting Engine Oil Life

1. Without pressing the brake pedal, push the
ENGINE START/STOP button and place the
ignition to the ON/RUN position (do not
start the engine).

2. Fully press the accelerator pedal, slowly, three times within ten seconds.
3. Without pushing the brake pedal, push the ENGINE START/STOP button once to return
the ignition to the OFF/LOCK position.
NOTE:
If the indicator message illuminates when you
start the vehicle, the oil change indicator
system did not reset. If necessary, repeat this
procedure.
Display Menu Items
Push and release the up or down arrow button
until the desired selectable menu icon is high -
lighted in the instrument cluster display.
Speedometer
Push and release the up or down arrow button
until the speedometer menu item is highlighted
in the instrument cluster display. Push and
release the right arrow button to cycle the
display between mph and km/h.
Vehicle Info
Push and release the up or down arrow button
until the Vehicle Info menu item is highlighted in
the instrument cluster display. Push and
release the right arrow button to enter the
submenus items of Vehicle Info. Follow the
directional prompts to access or reset any of the
following Vehicle Info submenu items:
Tire Pressure
Coolant Temperature
Transmission Temperature — If Equipped
Oil Temperature
Oil Pressure
Exhaust Brake — If Equipped
Turbo Boost — If Equipped
Diesel Particulate Filter — If Equipped
Oil Life
Fuel Filter Life — If Equipped
Battery Voltage
Gauge Summary
Engine Hours
Driver Assist — If Equipped
The Driver Assist menu displays the status of
the ACC system.
Push and release the up or down arrow button
until the Driver Assist menu is displayed in the
instrument cluster display.
Adaptive Cruise Control (ACC) Feature
The instrument cluster display displays the
current ACC system settings. The information
displayed depends on ACC system status.
Push the Adaptive Cruise Control (ACC) on/off
button (located on the steering wheel) until one
of the following displays in the instrument
cluster display:
Adaptive Cruise Control Off
When ACC is deactivated, the display will read
“Adaptive Cruise Control Off.”

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GETTING TO KNOW YOUR INSTRUMENT PANEL97
Coolant Temperature — If Equipped
Oil Temperature — If Equipped
Battery Voltage — If Equipped
Transmission Temperature — If Equipped
Oil Life — If Equipped
Exhaust Brake — If Equipped
Turbo Boost — If Equipped
Fuel Filter Life — If Equipped
Upper Center
None
Compass
Outside Temp
Time
Range To Empty
Average MPG
Current MPG
Trip A Distance
Trip B Distance
Trailer Trip
Audio
Speedometer (Default Setting)
Menu Title
Upper Right
None
Compass — If Equipped
Outside Temp (Default Setting)
Time
Range To Empty
Average MPG
Current MPG
Trip A Distance
Trip B Distance
Trailer Trip — If Equipped
Trailer Brake — If Equipped
Oil Pressure — If Equipped
Coolant Temperature — If Equipped
Oil Temperature — If Equipped
Battery Voltage — If Equipped
Transmission Temperature — If Equipped
Oil Life — If Equipped
Exhaust Brake — If Equipped
Turbo Boost — If Equipped
Fuel Filter Life — If Equipped
Left Side — If Equipped
None
Range
Average MPG
Menu Icon (Default Setting)
Coolant Temperature
Oil Temperature
Transmission Temperature
Oil Life
Fuel Filter Life — If Equipped
3

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98GETTING TO KNOW YOUR INSTRUMENT PANEL
Right Side — If Equipped
None
Range (Default Setting)
Average MPG
Menu Icon
Coolant Temperature
Oil Temperature
Transmission Temperature
Oil Life
Fuel Filter Life — If Equipped
Lower Left — If Equipped
None
Compass
Outside Temp
Time
Range To Empty
Average MPG
Current MPG
Trip A Distance
Trip B Distance
Trailer Trip
Trailer Brake
Oil Pressure
Coolant Temperature
Oil Temperature
Battery Voltage (Default Setting)
Transmission Temperature
Oil Life
Exhaust Brake — If Equipped
Turbo Boost — If Equipped
Fuel Filter Life — If Equipped
Lower Right — If Equipped
None
Compass
Outside Temp
Time
Range To Empty
Average MPG
Current MPG
Trip A Distance
Trip B Distance
Trailer Trip
Trailer Brake
Oil Pressure (Default Setting)
Coolant Temperature
Oil Temperature
Battery Voltage
Transmission Temperature
Oil Life
Exhaust Brake — If Equipped
Turbo Boost — If Equipped
Fuel Filter Life — If Equipped
Restore Defaults
Cancel (Default Setting)
Right Arrow button

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