Main ignition Ram 4500 Chassis Cab 2020 User Guide

GETTING TO KNOW YOUR VEHICLE47
NOTE:
This feature can be programmed through the
Uconnect system. Refer to “Uconnect Settings”
in “Multimedia” for further information.
Headlight Delay
To aid in your exit, your vehicle is equipped with
a headlight delay that will leave the headlights
on for approximately up to 90 seconds. This
delay is initiated when the ignition is turned off
while the headlight switch is on, and then the
headlight switch is cycled off. Headlight delay
can be canceled by either turning the headlight
switch on then off, or by placing the ignition in
the ON/RUN position.
NOTE:
This feature can be programmed through the
Uconnect system. Refer to “Uconnect Settings”
in “Multimedia” for further information.
Lights-On Reminder
If the headlights, parking lights, or cargo lights
are left on after the ignition is placed in the OFF
position, a chime will sound when the driver’s
door is opened.
Front Fog Lights — If Equipped
To activate the front fog lights, turn on the
parking lights or low beam headlights and push
in the center of the headlight switch control
knob. Pushing the headlight switch control knob
a second time will turn the front fog lights off.

Front Fog Light Switch

Turn Signals
Move the multifunction lever up or down and
the arrows on each side of the instrument
cluster display will flash to show proper opera -
tion of the front and rear turn signal lights.
NOTE:
If either light remains on and does not flash, or
there is a very fast flash rate, check for a defec -
tive outside light bulb. If an indicator fails to light when the lever is moved, it would suggest
that the indicator bulb is defective.
Lane Change Assist — If Equipped
Tap the multifunction lever up or down once,
without moving beyond the detent, and the turn
signal (right or left) will flash three times then
automatically turn off.
Cargo Lights/Trailer Spotter Lights — If
Equipped
The cargo lights (if equipped) and trailer spotter
lights (if equipped) are turned on by pushing the
cargo lights button located on the lower half of
the headlight switch.

Cargo Lights Button On Headlight Switch

2

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48GETTING TO KNOW YOUR VEHICLE
The cargo lights will turn on for approximately
60 seconds when a key fob unlock button is
pushed, as part of the Illuminated Entry feature.
When these lights are activated using the
button on the headlight switch, the trailer
spotter lights will remain illuminated when the
vehicle transmission is in PARK, NEUTRAL, or
REVERSE. The trailer spotter lights will turn off
when the vehicle transmission is placed in
DRIVE.
Battery Saver
To protect the life of your vehicle’s battery, load
shedding is provided for both the interior and
exterior lights.
If the ignition is OFF, the interior lights will auto -
matically turn off when:
Any door is left ajar for 10 minutes.
The Dome Off button is pushed.
The cargo and spotter lights are manually
activated by the headlight switch.
NOTE:
Battery saver mode is canceled if the ignition is
ON. If the headlights remain on while the ignition is
placed in the OFF position, the exterior lights will
automatically turn off after eight minutes. If the
headlights are turned on and left on for eight
minutes while the ignition is OFF, the exterior
lights will automatically turn off.
INTERIOR LIGHTS
Courtesy Lights
The courtesy, dome, and cargo lights are turned
on when any door is opened or the Dome On
button is pushed on the overhead console. Also,
if your vehicle is equipped with Remote Keyless
Entry, and the unlock button is pushed on the
key fob, the courtesy, dome, and cargo lights
will turn on.
Courtesy/Reading Lights
The overhead console lights can also be oper
-
ated individually as reading lights by pushing
the corresponding buttons.
Front Courtesy/Reading Lights

NOTE:
On vehicles equipped with an LED overhead
console, if both the Dome On and Dome Off
buttons are pushed, the Illuminated Entry with
door ajar feature will be disabled, but the Dome
Lights inside the vehicle will turn on.
1 — Driver’s Reading Light On/Off Button
2 — Dome Off Button
3 — Dome On Button
4 — Passenger’s Reading Light On/Off Button

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GETTING TO KNOW YOUR VEHICLE49
Two types of Rear Courtesy/Reading Lights are
available for your vehicle:
Push button on/off
Push lens on/off

Push Lens On/Off Rear Courtesy Light

NOTE:
The Rear Courtesy/Reading Lights will remain
on until the switch is pushed a second time, so
be sure they have been turned off before exiting
the vehicle. If the interior lights are left on after
the ignition is turned off, they will automatically
turn off after 10 minutes.
Dimmer Control
The dimmer controls are part of the headlight
switch and are located on the left side of the
instrument panel.
Dimmer Controls

With the parking lights or headlights on, rotating
the right dimmer control upward will increase
the brightness of the instrument panel lights.
Rotating the left dimmer control will adjust the
interior and ambient light levels.
NOTE:
The dimming of the touchscreen is program -
mable through the Uconnect system. Refer to
“Uconnect Settings” in “Multimedia” for
further details.
The ambient lights are only active when the
headlights or parking lights are on.
Illuminated Entry
The courtesy lights will turn on when you use the
key fob to unlock the doors (if the vehicle is
equipped with remote power door locks) or
open any door.
This feature also turns on the puddle lamps
located beneath the outside mirrors (if
equipped).
The lights will fade to off after approximately 30
seconds, or they will immediately fade to off
once the ignition switch is turned to ON/RUN
from the OFF position.
The front courtesy overhead console and door
courtesy lights will not turn off if the Dome On
button on the overhead console is pushed.
The illuminated entry system will not operate if
the Dome Off button on the overhead console is
pushed.
NOTE:
If your vehicle is equipped with Illuminated
Approach lights under the outside mirrors, they
can also be turned off by pushing the Dome Off
button.
1 — Ambient Light Control
2 — Instrument Panel Dimmer Control
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GETTING TO KNOW YOUR VEHICLE69
4. Continue to hold both buttons and observe
the indicator light. The HomeLink® indi-
cator will flash slowly and then rapidly after
HomeLink® has received the frequency
signal from the hand-held transmitter.
Release both buttons after the indicator
light changes from slow to rapid.
5. On the garage door opener (in the garage), locate the “LEARN” or “TRAINING” button.
This can usually be found where the
hanging antenna wire is attached to the
garage door opener/device motor. Firmly
push and release the “LEARN” or
“TRAINING” button. On some garage door
openers/devices there may be a light that
blinks when the garage door opener/device
is in the LEARN/TRAIN mode.
NOTE:
You have 30 seconds in which to initiate the
next step after the LEARN button has been
pushed.
6. Return to the vehicle and push the programmed HomeLink® button twice
(holding the button for two seconds each
time). If the garage door opener/device acti -
vates, programming is complete. NOTE:
If the garage door opener/device does not acti
-
vate, push the button a third time (for two
seconds) to complete the training. To program
the remaining two HomeLink® buttons, repeat
each step for each remaining button. DO NOT
erase the channels.
Reprogramming A Single HomeLink® Button
(Rolling Code)
To reprogram a channel that has been previ -
ously trained, follow these steps:

1. Place the ignition in the ON/RUN position.

2. Push and hold the desired HomeLink® button until the indicator light begins to
flash after 20 seconds. Do not release the
button.
3. Without releasing the button proceed with “Programming A Rolling Code” step 2 and
follow all remaining steps.
Programming A Non-Rolling Code
For programming garage door openers manu -
factured before 1995.

1. Place the ignition in the ON/RUN position.
2. Place the hand-held transmitter 1 to
3 inches (3 to 8 cm) away from the Home-
Link® button you wish to program while
keeping the HomeLink® indicator light in
view.
3. Press and hold the HomeLink® button you want to program while you press and hold
the hand-held transmitter button.
4. Continue to hold both buttons and observe the indicator light. The HomeLink® indi-
cator will flash slowly and then rapidly after
HomeLink® has received the frequency
signal from the hand-held transmitter.
Release both buttons after the indicator
light changes from slow to rapid.
5. Press and hold the programmed Home -
Link® button and observe the indicator
light.
If the indicator light stays on constantly,
programming is complete and the garage
door/device should activate when the
HomeLink® button is pressed.
To program the two remaining Home -
Link® buttons, repeat each step for each
remaining button. DO NOT erase the
channels.
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70GETTING TO KNOW YOUR VEHICLE
Reprogramming A Single HomeLink® Button
(Non-Rolling Code)
To reprogram a channel that has been previ -
ously trained, follow these steps:

1. Place the ignition in the ON/RUN position.

2. Press and hold the desired HomeLink® button until the indicator light begins to
flash after 20 seconds. Do not release the
button.
3. Without releasing the button, proceed with “Programming A Non-Rolling Code” step 2
and follow all remaining steps.
Canadian/Gate Operator Programming
For programming transmitters in Canada/
United States that require the transmitter
signals to “time-out” after several seconds of
transmission.
Canadian radio frequency laws require trans -
mitter signals to time-out (or quit) after several
seconds of transmission – which may not be
long enough for HomeLink® to pick up the
signal during programming. Similar to this
Canadian law, some U.S. gate operators are
designed to time-out in the same manner. It may be helpful to unplug the device during the
cycling process to prevent possible overheating
of the garage door or gate motor.

1. Place the ignition in the ON/RUN position.

2. Place the hand-held transmitter 1 to
3 inches (3 to 8 cm) away from the Home-
Link® button you wish to program while
keeping the HomeLink® indicator light in
view.
3. Continue to press and hold the HomeLink® button, while you press and release
(“cycle”) your hand-held transmitter every
two seconds until HomeLink® has success-
fully accepted the frequency signal. The
indicator light will flash slowly and then
rapidly when fully trained.
4. Watch for the HomeLink® indicator to change flash rates. When it changes, it is
programmed. It may take up to 30 seconds
or longer in rare cases. The garage door
may open and close while you are program -
ming. 5. Press and hold the programmed Home
-
Link® button and observe the indicator
light.
NOTE:
If the indicator light stays on constantly,
programming is complete and the garage
door/device should activate when the
HomeLink® button is pressed.
To program the two remaining HomeLink®
buttons, repeat each step for each
remaining button. DO NOT erase the chan -
nels.
If you unplugged the garage door opener/
device for programming, plug it back in at this
time.
Reprogramming A Single HomeLink® Button
(Canadian/Gate Operator)
To reprogram a channel that has been previ -
ously trained, follow these steps:

1. Place the ignition in the ON/RUN position.
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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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GETTING TO KNOW YOUR INSTRUMENT PANEL89
5. Speedometer
Indicates vehicle speed.
6. Fuel Gauge
The pointer shows the level of fuel in the fuel tank when the ignition switch is in
the ON/RUN position.
 The fuel pump symbol points
to the side of the vehicle where
the fuel filler door is located.
Refer to “Refueling The Vehicle — Diesel
Engine” in “Starting And Operating” for
further information. 7. Diesel Exhaust Fluid (DEF) Gauge
The DEF Gauge displays the actual level
of Diesel Exhaust Fluid in the DEF tank.
Diesel Exhaust Fluid (DEF) is required to
maintain normal vehicle operation and
emissions compliance. If something is
wrong with the gauge, a DEF Warning
Message or Malfunction Indicator Light
(MIL) will be displayed. More information
is available in the instrument cluster
display section under the heading of
Diesel Exhaust Fluid (DEF) Warning
Messages. NOTE:The gauge may take up to five seconds to
update after adding a gallon or more of
Diesel Exhaust Fluid (DEF) to the DEF tank. If
you have a fault related to the DEF system,
the gauge may not update to the new level.
See an authorized dealer for service.
The DEF gauge may also not immediately
update after a refill if the temperature of the
DEF fluid is below 39°F (4°C). The DEF tank
heater will possibly warm up the DEF fluid
and allow the gauge to update after a period
of run time. Under very cold conditions, it is
possible that the gauge may not reflect the
new fill level for several drives.
3

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GETTING TO KNOW YOUR INSTRUMENT PANEL91
Diesel INSTRUMENT CLUSTER

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 switch is in
the ON/RUN position.
 The fuel pump symbol points
to the side of the vehicle where
the fuel filler door is located. Refer to “Refueling The Vehicle — Diesel
Engine” in “Starting And Operating” for
further information.
5. Diesel Exhaust Fluid (DEF) Gauge
The DEF Gauge displays the actual level of Diesel Exhaust Fluid in the DEF tank.
Diesel Exhaust Fluid (DEF) is required to
maintain normal vehicle operation and
emissions compliance. If something is
wrong with the gauge, a DEF Warning
Message or Malfunction Indicator Light
(MIL) will be displayed. More information
is available in the instrument cluster
display section under the heading of
Diesel Exhaust Fluid (DEF) Warning
Messages. NOTE:
The DEF tank on these vehicles is designed
with a large amount of full reserve. So the
level sensor will indicate a full reading even
before the tank is completely full. To put it
another way, there’s additional storage
capacity in the tank above the Full mark
that’s not represented in the gauge. You may
not see any movement in the reading – even
after driving up to 200 miles
(321 kilometers) in some cases.
The gauge may take up to five seconds to
update after adding a gallon or more of
Diesel Exhaust Fluid (DEF) to the DEF tank. If
you have a fault related to the DEF system,
the gauge may not update to the new level.
See an authorized dealer for service.
The DEF gauge may also not immediately
update after a refill if the temperature of the
DEF fluid is below 39°F (4°C). The DEF tank
heater will possibly warm up the DEF fluid
and allow the gauge to update after a period
of run time. Under very cold conditions, it is
possible that the gauge may not reflect the
new fill level for several drives.
3

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92GETTING TO KNOW YOUR INSTRUMENT PANEL
INSTRUMENT CLUSTER DISPLAY
Your vehicle will be equipped with an instru-
ment cluster display, which offers useful infor -
mation to the driver. With the ignition in the OFF
mode, opening/closing of a door will activate
the display for viewing, and display the total
miles, or kilometers, in the odometer. Your
instrument cluster display is designed to display
important information about your vehicle’s
systems and features. Using a driver-interactive
display located on the instrument panel, your
instrument cluster display can show you how
systems are working and give you warnings
when they are not. The steering wheel mounted
controls allow you to scroll through the main
menus and submenus. You can access the
specific information you want and make selec -
tions and adjustments.
Instrument Cluster Display Controls
The instrument cluster display features a
driver-interactive display that is located in the
instrument cluster.

Base Instrument Cluster Display
Premium Instrument Cluster Display
The instrument cluster display menu items may
consist of the following:Speedometer
Vehicle Info
Driver Assist — If Equipped
Fuel Economy
Trip
Trailer Tow
Audio
Stored Messages
Screen Set Up
Vehicle Settings — If Equipped
Commercial Settings — If Equipped

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