2020 Ram 4500 Chassis Cab Trailer running lights

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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GETTING TO KNOW YOUR INSTRUMENT PANEL111
If the light continues to flash when the vehicle is
running, immediate service is required and you
may experience reduced performance, an
elevated/rough idle, or engine stall and your
vehicle may require towing. The light will come
on when the ignition is placed in the ON/RUN or
ACC/ON/RUN position and remain on briefly as
a bulb check. If the light does not come on
during starting, have the system checked by an
authorized dealer.
Electric Power Steering Fault Warning Light
This warning light will turn on when
there's a fault with the Electric Power
Steering (EPS) system. Refer to
“Power Steering” in “Starting And
Operating” for further information.
Trailer Brake Disconnected Warning Light
This warning light will illuminate when
the Trailer Brake has been discon -
nected.
Refer to “Trailer Towing” in “Starting And Oper -
ating” for further information.
Transmission Temperature Warning Light — If
Equipped
This warning light will illuminate to
warn of a high transmission fluid
temperature. This may occur with
strenuous usage such as trailer
towing. If this light turns on, stop the vehicle and
run the engine at idle or slightly faster, with the
transmission in PARK or NEUTRAL, until the
light turns off. Once the light turns off, you may
continue to drive normally.
Door Open Warning Light
This indicator will illuminate when a
door is ajar/open and not fully closed.
NOTE:
If the vehicle is moving there will also be a single
chime.
Yellow Warning Lights
Adaptive Cruise Control (ACC) Fault Warning
Light — If Equipped
This warning light will illuminate to
indicate a fault in the ACC system.
Contact a local authorized dealer for
service.
For further information, refer to “Adaptive
Cruise Control (ACC)” in “Starting And Oper -
ating.”
WARNING!
Continued operation with reduced assist
could pose a safety risk to yourself and
others. Service should be obtained as soon
as possible.WARNING!
If you continue operating the vehicle when
the Transmission Temperature Warning Light
is illuminated you could cause the fluid to boil
over, come in contact with hot engine or
exhaust components and cause a fire.
CAUTION!
Continuous driving with the Transmission
Temperature Warning Light illuminated will
eventually cause severe transmission
damage or transmission failure.
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284STARTING AND OPERATING
Towing Requirements — Trailer Lights And
Wiring
Whenever you pull a trailer, regardless of the
trailer size, stoplights and turn signals on the
trailer are required for motoring safety.
The Trailer Tow Package may include a four- and
seven-pin wiring harness. Use a factory
approved trailer harness and connector.
NOTE:
Do not cut or splice wiring into the vehicle’s
wiring harness.
The electrical connections are all complete to
the vehicle but you must mate the harness to a
trailer connector. Refer to the following illustra -
tions.
NOTE:
Disconnect trailer wiring connector from the
vehicle before launching a boat (or any other
device plugged into vehicle’s electrical
connect) into water.
Be sure to reconnect once clear from water
area.
Four-Pin Connector
Seven-Pin Connector

Towing Tips
Before setting out on a trip, practice turning,
stopping, and backing up the trailer in an area
located away from heavy traffic.
1 — Female Pins
2 — Male Pin
3 — Ground
4 — Park
5 — Left Stop/Turn
6 — Right Stop/Turn1 — Battery
2 — Backup Lamps
3 — Right Stop/Turn
4 — Electric Brakes
5 — Ground
6 — Left Stop/Turn
7 — Running Lamps

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