2019 Ram 1500 tow

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
• 115V 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 +12V, 115V AC, USB ports)
during certain driving conditions (city driving, towing,
frequent stopping).
• Installing options like additional lights, upfitter electri-
cal accessories, audio systems, alarms and similar de-
vices. •
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,
+12V portable appliances 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 exterior).
– Check what may be plugged in to power outlets +12V, 115V AC, USB ports.
– Check HVAC settings (blower, temperature).
– Check the audio settings (volume).
178 GETTING TO KNOW YOUR INSTRUMENT PANEL

vehicle, shut off the engine as soon as possible, and contact
an authorized dealer. A chime will sound when this light
turns on.
Do not operate the vehicle until the cause is corrected. This
light does not indicate how much oil is in the engine. The
engine oil level must be checked under the hood.
— Oil Temperature Warning Light
This warning light will illuminate to indicate the engine oil
temperature is high. If the light turns on while driving,
stop the vehicle and shut off the engine as soon as possible.
Wait for oil temperature to return to normal levels.
— Electronic Throttle Control (ETC) Warning
Light
This warning light will illuminate to indicate a problem
with the Electronic Throttle Control (ETC) system. If a
problem is detected while the vehicle is running, the light
will either stay on or flash depending on the nature of the
problem. Cycle the ignition when the vehicle is safely and
completely stopped and the transmission is placed in the
PARK position. The light should turn off. If the light
remains on with the vehicle running, your vehicle will
usually be drivable; however, see an authorized dealer for
service as soon as possible. NOTE:
This light may turn on if the accelerator and brake
pedals are pressed at the same time.
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 EPS (Electric Power Steering) system. Refer to “Power
Steering” in “Starting And Operating” for further informa-
tion.
WARNING!
Continued operation with reduced assist could pose a
safety risk to yourself and others. Service should be
obtained as soon as possible.
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— Swing Gate Open Warning Light — If
Equipped
This indicator will turn when the swing gate is open.
NOTE: If the vehicle is moving, there will also be a single
chime.
— Tailgate Open Warning Light
This warning light will illuminate when the tailgate is
open.
NOTE: If the vehicle is moving, there will also be a single
chime.
— Trailer Brake Disconnected Warning Light
This warning light will illuminate when the Trailer Brake
has been disconnected.
— 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.
WARNING!
If you continue operating the vehicle when the Trans-
mission 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 Tempera-
ture Warning Light illuminated will eventually cause
severe transmission damage or transmission failure.
— 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.
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GETTING TO KNOW YOUR INSTRUMENT PANEL 183

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 Operating.”
— Air Suspension Fault Warning Light — If
Equipped
This light will illuminate when a fault is detected with the
air suspension system.
— Engine Check/Malfunction Indicator Warning
Light (MIL)
The Engine Check/Malfunction Indicator Light (MIL) is a
part of an Onboard Diagnostic System called OBD II that
monitors engine and automatic transmission control sys-
tems. 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 ve-
hicle 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 as soon as possible if this occurs.
WARNING!
A malfunctioning catalytic converter, as referenced
above, can reach higher temperatures than in normal
operating conditions. This can cause a fire if you drive
slowly or park over flammable substances such as dry
plants, wood, cardboard, etc. This could result in death
or serious injury to the driver, occupants or others.
CAUTION!
Prolonged driving with the Malfunction Indicator
Light (MIL) on could cause damage to the vehicle
control system. It also could affect fuel economy and
driveability. If the MIL is flashing, severe catalytic
converter damage and power loss will soon occur.
Immediate service is required.
184 GETTING TO KNOW YOUR INSTRUMENT PANEL

— Speed Control Fault Warning Light
This warning light will illuminate to indicate the Speed
Control System is not functioning properly and service is
required. Contact an authorized dealer.
Yellow Indicator Lights
— Forward Collision Warning Off Indicator Light
— If Equipped
This indicator light illuminates to indicate that Forward
Collision Warning is off.
— Air Suspension Payload Protection Indicator
Light — If Equipped
This indicator light will illuminate to indicate that the
maximum payload may have been exceeded or load level-
ing cannot be achieved at its current ride height. Protection
Mode will automatically be selected in order to “protect”
the air suspension system, air suspension adjustment is
limited due to payload.
— Trailer Merge Assist Indicator Light — If
Equipped
This indicator light will illuminate to indicate when Trailer
Merge Assist has been activated. Refer to “Blind Spot Monitoring” in “Safety” for further
information.
— TOW/HAUL Indicator Light
This indicator light will illuminate when TOW/HAUL
mode is selected.
— Cargo Light — If Equipped
This indicator light will illuminate when the cargo light is
activated by pushing the cargo light button on the head-
light switch.
/— Air Suspension Off-Road 1 Indicator Light
— If Equipped
This light will illuminate when the air suspension system is
set to the Off-Road 1 setting.
For further information, refer to “Active-Level Four Corner
Air Suspension System — If Equipped” in “Starting And
Operating.”
/— Air Suspension Off-Road 2 Indicator Light
— If Equipped
This light will illuminate when the air suspension system is
set to the Off-Road 2 setting.
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GETTING TO KNOW YOUR INSTRUMENT PANEL 189

Refer to “Adaptive Cruise Control (ACC) — If Equipped”
in “Starting And Operating” for further information.
— Cruise Control Ready Indicator
This indicator light will illuminate when the speed control
is ready, but not set.
— Speed Control SET Indicator Light — If
Equipped With 3.5 Inch Instrument Cluster Display
This light will turn on when the speed control is set.
Refer to “Speed Control” in “Starting And Operating” for
further information.
— Hill Descent Control (HDC) Indicator Light —
If Equipped
This indicator shows when the Hill Descent Control (HDC)
feature is turned on. The lamp will be on solid when HDC
is armed. HDC can only be armed when the transfer case is
in the “4WD LOW” position and the vehicle speed is less
then 20 mph (32 km/h). If these conditions are not met
while attempting to use the HDC feature, the HDC indi-
cator light will flash on/off.
— LaneSense Indicator Light — If Equipped
When the LaneSense system is ON, but not armed, the
LaneSense indicator light illuminates solid white. This
occurs when only left, right, or neither lane line has been
detected. If a single lane line is detected, the system is
ready to provide only visual warnings if an unintentional
lane departure occurs on the detected lane line.
Refer to “LaneSense — If Equipped in “Starting And
Operating” for further information.
Blue Indicator Lights
— High Beam Indicator Light
This indicator light will illuminate to indicate that the high
beam headlights are on. With the low beams activated,
push the multifunction lever forward (toward the front of
the vehicle) to turn on the high beams. Pull the multifunc-
tion lever rearward (toward the rear of the vehicle) to turn
off the high beams. If the high beams are off, pull the lever
toward you for a temporary high beam on, flash to pass
scenario.
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GETTING TO KNOW YOUR INSTRUMENT PANEL 193

ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated Onboard
Diagnostic system called OBD II. This system monitors the
performance of the emissions, engine, and transmission
control systems. When these systems are operating prop-
erly, your vehicle will provide excellent performance and
fuel economy, as well as engine emissions well within
current government regulations.
If any of these systems require service, the OBD II system
will turn on the Malfunction Indicator Light (MIL). It will
also store diagnostic codes and other information to assist
your service technician in making repairs. Although your
vehicle will usually be drivable and not need towing, see
an authorized dealer for service as soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and driveability. The
vehicle must be serviced before any emissions tests
can be performed.
(Continued)
CAUTION! (Continued)
•If the MIL is flashing while the vehicle is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Onboard Diagnostic System (OBD II) Cybersecurity
Your vehicle is required to have an Onboard Diagnostic
system (OBD II) and a connection port to allow access to
information related to the performance of your emissions
controls. Authorized service technicians may need to ac-
cess this information to assist with the diagnosis and
service of your vehicle and emissions system.
WARNING!
• ONLY an authorized service technician should con-
nect equipment to the OBD II connection port in
order to read the VIN, diagnose, or service your
vehicle.
(Continued)
194 GETTING TO KNOW YOUR INSTRUMENT PANEL

The following conditions must be met in order for HSA to
activate:
•The feature must be enabled.
• The vehicle must be stopped.
• Park brake must be off.
• Driver door must be closed.
• The vehicle must be on a sufficient grade.
• The gear selection must match vehicle uphill direction
(i.e., vehicle facing uphill is in forward gear; vehicle
backing uphill is in REVERSE gear).
• HSA will work in REVERSE gear and all forward gears.
The system will not activate if the transmission is in
PARK or NEUTRAL. For vehicles equipped with a
manual transmission, if the clutch is pressed, HSA will
remain active.
WARNING!
There may be situations where the Hill Start Assist
(HSA) will not activate and slight rolling may occur,
such as on minor hills or with a loaded vehicle, or
while pulling a trailer. HSA is not a substitute for
(Continued)
WARNING! (Continued)
active driving involvement. It is always the driver ’s
responsibility to be attentive to distance to other ve-
hicles, people, and objects, and most importantly brake
operation to ensure safe operation of the vehicle under
all road conditions. Your complete attention is always
required while driving to maintain safe control of your
vehicle. Failure to follow these warnings can result in
a collision or serious personal injury.
Towing With HSA
HSA will also provide assistance to mitigate roll back while
towing a trailer.
WARNING!
•If you use a trailer brake controller with your trailer,
the trailer brakes may be activated and deactivated
with the brake switch. If so, there may not be enough
brake pressure to hold both the vehicle and the
trailer on a hill when the brake pedal is released. In
order to avoid rolling down an incline while resum-
ing acceleration, manually activate the trailer brake
(Continued)
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SAFETY 201