2020 Ram 2500 lights

54GETTING TO KNOW YOUR VEHICLE
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 Defeat
buttons are pushed, the Illuminated Entry with
door ajar feature will be disabled, but the Dome
Lights inside the vehicle will turn on. 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.
1 — Driver’s Reading Light On/Off Button
2 — Dome Defeat Button
3 — Dome On Button
4 — Passenger’s Reading Light On/Off Button1 — Ambient Light Control
2 — Instrument Panel Dimmer Control

20_DJD2_OM_EN_USC_t.book Page 54

GETTING TO KNOW YOUR VEHICLE55
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 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 placed in the ON/
RUN position 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 Defeat 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
Defeat button.
WINDSHIELD WIPERS AND WASHERS
Windshield Wipers
The wipers and washers are operated by a
switch in the multifunction lever, and can only
be operated with the ignition in the ACC or ON/
RUN position. Turn the end of the lever to select
the desired wiper speed.

Windshield Wiper/Washer Switch
Rotate the end of the lever upward, to the first
detent past the intermittent settings for
low-speed wiper operation. Rotate the end of
the lever upward to the second detent past the
intermittent settings for high-speed wiper oper
-
ation.
Intermittent Wiper System
The intermittent feature of this system was
designed for use when weather conditions
make a single wiping cycle, with a variable
pause between cycles, desirable. For maximum
delay between cycles, rotate the control knob
upward to the first detent.
The delay interval decreases as you rotate the
knob until it enters the low continual speed
position. The delay can be regulated from a
maximum of about 18 seconds between cycles,
to a cycle every one second. The delay intervals
will double in duration when the vehicle speed
is 10 mph (16 km/h) or less.
2

20_DJD2_OM_EN_USC_t.book Page 55

72GETTING TO KNOW YOUR VEHICLE
Window Lockout Switch
The window lockout switch on the driver's door
allows you to disable the window control on the
rear passenger doors. To disable the window
controls on the rear passenger doors, push the
window lock switch into the latched or down
position. To enable the window controls, push
the window lock switch again and return the
switch to the released or up position.

Window Lockout Switch

Power Sliding Rear Window — If Equipped
The switch for the power sliding rear window is
located on the overhead console.
Power Sliding Rear Window Switch

Push the rearward portion of the switch to open
the window. Push the forward portion of the
switch to close the window.
Manual Sliding Rear Window — If Equipped
A locking device in the center of the window
helps to prevent entry from the rear of the
vehicle. Squeeze the lock to release the
window.
Wind Buffeting
Wind buffeting can be described as the percep -
tion of pressure on the ears or a helicopter-type
sound in the ears. Your vehicle may exhibit wind
buffeting with the windows down, or the sunroof
(if equipped) in certain open or partially open
positions. This is a normal occurrence and can
be minimized. If the buffeting occurs with the rear windows open, open the front and rear
windows together to minimize the buffeting. If
the buffeting occurs with the sunroof open,
adjust the sunroof opening to minimize the
buffeting or open any window.
POWER SUNROOF — IF EQUIPPED
Single Pane Power Sunroof — If Equipped
The power sunroof switches are located on the
overhead console between the courtesy/
reading lights.

Power Sunroof Switches

1 — Opening/Closing Sunroof
2 — Venting Sunroof

20_DJD2_OM_EN_USC_t.book Page 72

GETTING TO KNOW YOUR VEHICLE89
An auxiliary power outlet can be found in the
tray on top of the center stack. This power outlet
works when the ignition is in the ON/RUN, ACC,
or OFF position.

Power Outlet — Top Of Center Stack

Power Outlet Fuse Locations:
F104 Fuse 20 A Yellow UCI Port/ USB Rear
Center Console
F90 Fuse 20 A Yellow Instrument Panel
Power Outlet Battery Fed (If Equipped)
F91 Fuse 20 A Yellow Instrument Panel
Power Outlet Ignition Fed (If Equipped)
F93 Fuse 20 A Yellow Cigar Lighter/ Instru -
ment Panel Power Outlet (If Equipped)
When the vehicle is turned off, be sure to
unplug any equipment as to not drain the
battery of the vehicle. All accessories connected
to the outlet(s) should be removed or turned off
when the vehicle is not in use to protect the
battery against discharge.
Power outlets are designed for accessory
plugs only. Do not insert any other object in
the power outlets as this will damage the
outlet and blow the fuse. Improper use of
the power outlet can cause damage not
covered by your New Vehicle Limited
Warranty.
CAUTION! (Continued)
WARNING!
To avoid serious injury or death:
Only devices designed for use in this type of
outlet should be inserted into any 12 Volt
outlet.
Do not touch with wet hands.
Close the lid when not in use and while
driving the vehicle.
If this outlet is mishandled, it may cause an
electric shock and failure.
CAUTION!
Many accessories that can be plugged in
draw power from the vehicle's battery, even
when not in use (i.e., cellular phones, etc.).
Eventually, if plugged in long enough, the
vehicle's battery will discharge sufficiently
to degrade battery life and/or prevent the
engine from starting.
Accessories that draw higher power (i.e.,
coolers, vacuum cleaners, lights, etc.), will
discharge the battery even more quickly.
Only use these intermittently and with
greater caution.
After the use of high power draw accesso -
ries, or long periods of the vehicle not being
started (with accessories still plugged in),
the vehicle must be driven a sufficient
length of time to allow the generator to
recharge the vehicle's battery.
2

20_DJD2_OM_EN_USC_t.book Page 89

GETTING TO KNOW YOUR VEHICLE95
RamBox Integrated Box Side Storage Bins
Cargo storage bins are located on both sides of
the pickup box. The cargo storage bins provide
watertight, lockable, illuminated storage for up
to 300 lbs (136 kg) of evenly distributed cargo.

RamBox Cargo Storage Bins
To open a storage bin with the RamBox
unlocked, push and release the button located
on the lid. The RamBox lid will open upward to
allow hand access. Lift the lid to fully open.
NOTE:
RamBox will not open when the button is
pushed if the RamBox is locked.

RamBox Pushbutton And Lock
The interior of the RamBox will automatically
illuminate when the lid is opened. In addition to
the automatic illumination, there is a manual
on/off switch located at the rear of each storage
bin. Pushing the switch once will turn off the bin
lights, pushing the switch again will turn the
lights back on.

RamBox Light Switch

Cargo bins feature two removable drain plugs
(to allow water to drain from bins). To remove
plug, pull up on the edge. To install, push the
plug downward into drain hole.
NOTE:
Provisions are provided in the bins for cargo
dividers and shelf supports. These accessories
(in addition to other RamBox accessories) are
available from Mopar.
CAUTION!
Failure to follow the following items could
cause damage to the vehicle:
Assure that all cargo inside the storage bins
is properly secured.
Do not exceed cargo weight rating of
300 lbs (136 kg) for 2500 and 3500
series vehicles per bin.
CAUTION!
Leaving the lid open for extended periods of
time could cause the vehicle battery to
discharge. If the lid is required to stay open
for extended periods of time, it is
recommended that the bin lights be turned
off manually using the on/off switch.
2

20_DJD2_OM_EN_USC_t.book Page 95

GETTING TO KNOW YOUR INSTRUMENT PANEL129
NOTE:
The charging system is independent from
load reduction. The charging system
performs a diagnostic on the charging
system continuously.
If the Battery Charge Warning Light is on it
may indicate a problem with the charging
system. Refer to “Warning Lights And
Messages” in “Getting To Know Your Instru-
ment Panel” for further information.
The electrical loads that may be switched off (if
equipped), and vehicle functions which can be
affected by load reduction:
Heated Seats/Vented Seats/Heated Wheel
Rear Defroster And Heated Mirrors
HVAC System
115 Volts AC Power Inverter System
Audio and Telematics System Loss of the battery charge may indicate one or
more of the following conditions:
The charging system cannot deliver enough
electrical power to the vehicle system
because the electrical loads are larger than
the capability of charging system. The
charging system is still functioning properly.
Turning on all possible vehicle electrical
loads (e.g. HVAC to max settings, exterior and
interior lights, overloaded power outlets
+12 Volts, 115 Volts AC, USB ports) during
certain driving conditions (city driving,
towing, frequent stopping).
Installing options like additional lights,
upfitter electrical accessories, audio
systems, alarms and similar devices.
Unusual driving cycles (short trips separated
by long parking periods).
The vehicle was parked for an extended
period of time (weeks, months).
The battery was recently replaced and was
not charged completely.
The battery was discharged by an electrical
load left on when the vehicle was parked.
The battery was used for an extended period
with the engine not running to supply radio,
lights, chargers, +12 Volts portable appli
-
ances like vacuum cleaners, game consoles
and similar devices.
What to do when an electrical load reduction
action message is present (“Battery Saver On”
or “Battery Saver Mode”)
During a trip:
Reduce power to unnecessary loads if
possible:
Turn off redundant lights (interior or exte -
rior).
Check what may be plugged in to power outlets +12 Volts, 115 Volts AC, USB
ports.
Check HVAC settings (blower, tempera -
ture).
Check the audio settings (volume).
3

20_DJD2_OM_EN_USC_t.book Page 129

130GETTING TO KNOW YOUR INSTRUMENT PANEL
After a trip:
Check if any aftermarket equipment was
installed (additional lights, upfitter electrical
accessories, audio systems, alarms) and
review specifications if any (load and Ignition
Off Draw currents).
Evaluate the latest driving cycles (distance,
driving time and parking time).
The vehicle should have service performed if
the message is still present during consecu-
tive trips and the evaluation of the vehicle
and driving pattern did not help to identify the
cause.
WARNING LIGHTS AND MESSAGES
The warning/indicator lights will illuminate in
the instrument panel together with a dedicated
message and/or acoustic signal when appli -
cable. These indications are indicative and
precautionary and as such must not be consid -
ered as exhaustive. Always refer to the informa-
tion in this chapter in the event of a failure
indication. All active telltales will display first if
applicable. The system check menu may
appear different based upon equipment
options and current vehicle status. Some tell -
tales are optional and may not appear.
Red Warning Lights
Seat Belt Reminder Warning Light
This warning light indicates when the
driver or passenger seat belt is
unbuckled. When the ignition is first
placed in the ON/RUN or ACC/ON/
RUN position and if the driver’s seat belt is
unbuckled, a chime will sound and the light will
turn on. When driving, if the driver or front
passenger seat belt remains unbuckled, the
Seat Belt Reminder Light will flash or remain on
continuously and a chime will sound.
Refer to “Occupant Restraint Systems” in
“Safety” for further information.
Air Bag Warning Light
This warning light will illuminate to
indicate a fault with the air bag, and
will turn on for four to eight seconds
as a bulb check when the ignition is
placed in the ON/RUN or ACC/ON/RUN posi -
tion. This light will illuminate with a single chime
when a fault with the air bag has been detected,
it will stay on until the fault is cleared. If the light
is either not on during startup, stays on, or turns
on while driving, have the system inspected at
an authorized dealer as soon as possible.
Brake Warning Light
This warning light monitors various
brake functions, including brake fluid
level and parking brake application. If
the brake light turns on it may indi -
cate that the parking brake is applied, that the
brake fluid level is low, or that there is a
problem with the anti-lock brake system reser -
voir.
If the light remains on when the parking brake
has been disengaged, and the fluid level is at
the full mark on the master cylinder reservoir, it
indicates a possible brake hydraulic system
malfunction or that a problem with the Brake
Booster has been detected by the Anti-Lock
Brake System (ABS) / Electronic Stability
Control (ESC) system. In this case, the light will
remain on until the condition has been
corrected. If the problem is related to the brake
booster, the ABS pump will run when applying
the brake, and a brake pedal pulsation may be
felt during each stop.
The dual brake system provides a reserve
braking capacity in the event of a failure to a
portion of the hydraulic system. A leak in either
half of the dual brake system is indicated by the
Brake Warning Light, which will turn on when

20_DJD2_OM_EN_USC_t.book Page 130

GETTING TO KNOW YOUR INSTRUMENT PANEL133
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.”
Air Suspension Fault Warning Light — If
Equipped
This light will illuminate when a fault
is detected with the air suspension
system.
Refer to “Air Suspension System — If Equipped”
in “Starting And Operating” for further informa -
tion.
Engine Check/Malfunction Indicator Warning
Light (MIL)
The Engine Check/Malfunction Indi -
cator Light (MIL) is a part of an
Onboard Diagnostic System called
OBD II that monitors engine and auto -
matic transmission control systems. This warning light will illuminate when the ignition is
in the ON/RUN position before engine start. If
the bulb does not come on when turning the
ignition switch from OFF to ON/RUN, have the
condition checked promptly.
Certain conditions, such as a loose or missing
gas cap, poor quality fuel, etc., may illuminate
the light after engine start. The vehicle should
be serviced if the light stays on through several
typical driving styles. In most situations, the
vehicle will drive normally and will not require
towing.
When the engine is running, the MIL may flash
to alert serious conditions that could lead to
immediate loss of power or severe catalytic
converter damage. The vehicle should be
serviced by an authorized dealer as soon as
possible if this occurs.
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.
3

20_DJD2_OM_EN_USC_t.book Page 133