ABS Ram 1500 2020 Owner's Manual

5
GETTING TO KNOW YOUR INSTRUMENT
PANEL
BASE / MIDLINE INSTRUMENT CLUSTER .............. 161
Base / Midline Instrument Cluster Descriptions.... 162
 PREMIUM INSTRUMENT CLUSTER ........................... 164
Premium Instrument Cluster Descriptions ............. 164
 INSTRUMENT CLUSTER DISPLAY ............................. 166
Instrument Cluster Display Controls ....................... 166
Oil Life Reset ................................................................ 168
Display Menu Items .................................................... 169
Battery Saver On/Battery Saver Mode Message —
Electrical Load Reduction Actions — If
Equipped....................................................................... 176
 WARNING LIGHTS AND MESSAGES ........................ 178
Red Warning Lights .................................................... 179
Yellow Warning Lights............................................... 183
Yellow Indicator Lights .............................................. 188
Green Indicator Lights ................................................ 192
White Indicator Lights ................................................ 193
Blue Indicator Lights ................................................... 194
 ONBOARD DIAGNOSTIC SYSTEM — OBD II ........... 195
Onboard Diagnostic System (OBD II)
Cybersecurity ............................................................... 195
 EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS....................................................................... 196
SAFETY
SAFETY FEATURES .........................................................198
Anti-Lock Brake System (ABS) ................................. 198
Electronic Brake Control System ..............................199
 AUXILIARY DRIVING SYSTEMS ..................................211
Blind Spot Monitoring (BSM) — If Equipped ........211
Forward Collision Warning (FCW) With Mitigation —
If Equipped ...................................................................222
Tire Pressure Monitoring System (TPMS) ............... 227
 OCCUPANT RESTRAINT SYSTEMS ...........................234
Occupant Restraint Systems Features ......................234
Important Safety Precautions.....................................235
Seat Belt Systems .........................................................236
Supplemental Restraint Systems (SRS).....................245
Child Restraints............................................................ 265
Transporting Pets.........................................................285
 SAFETY TIPS......................................................................285
Transporting Passengers ............................................285
Exhaust Gas .................................................................286
Safety Checks You Should Make Inside The
Vehicle ..........................................................................286
Periodic Safety Checks You Should Make Outside
The Vehicle ...................................................................289
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GETTING TO KNOW YOUR INSTRUMENT PANEL 179
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 position. 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 indicate 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 reservoir.
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 the brake
fluid level in the master cylinder has dropped below a spec -
ified level.
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180 GETTING TO KNOW YOUR INSTRUMENT PANEL
The light will remain on until the cause is corrected.
NOTE:
The light may flash momentarily during sharp cornering
maneuvers, which change fluid level conditions. The vehicle
should have service performed, and the brake fluid level
checked.
If brake failure is indicated, immediate repair is necessary.
Vehicles equipped with the Anti-Lock Brake System (ABS)
are also equipped with Electronic Brake Force Distribution
(EBD). In the event of an EBD failure, the Brake Warning
Light will turn on along with the ABS Light. Immediate
repair to the ABS system is required.
Operation of the Brake Warning Light can be checked by
turning the ignition switch from the OFF position to the ON/
RUN position. The light should illuminate for approximately
two seconds. The light should then turn off unless theparking brake is applied or a brake fault is detected. If the
light does not illuminate, have the light inspected by an
authorized dealer.
The light also will turn on when the parking brake is applied
with the ignition switch in the ON/RUN position.
NOTE:
This light shows only that the parking brake is applied. It
does not show the degree of brake application.
— Hood Open Warning Light
This warning light will illuminate when the hood is ajar/
open and not fully closed.
NOTE:
If the vehicle is moving, there will also be a single chime.
— Vehicle Security Warning Light — If Equipped

This light will flash at a fast rate for approximately 15 seconds
when the vehicle security alarm is arming, and then will flash
slowly until the vehicle is disarmed.

WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may have failed. It
will take longer to stop the vehicle. You could have a
collision. Have the vehicle checked immediately.
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GETTING TO KNOW YOUR INSTRUMENT PANEL 187
tires or wheels on your vehicle to ensure that the replace-
ment or alternate tires and wheels allow the TPMS to
continue to function properly.
— Anti-Lock Brake (ABS) Warning Light
This warning light monitors the Anti-Lock Brake System
(ABS). The light will turn on when the ignition is placed in
the ON/RUN or ACC/ON/RUN position and may stay on
for as long as four seconds. If the ABS light remains on or turns on while driving, then
the Anti-Lock portion of the brake system is not functioning
and service is required as soon as possible. However, the
conventional brake system will continue to operate
normally, assuming the Brake Warning Light is not also on.
If the ABS light does not turn on when the ignition is placed
in the ON/RUN or ACC/ON/RUN position, have the brake
system inspected by an authorized dealer.
— Rear Axle Locker Fault Indicator Light — If
Equipped
This warning light will illuminate to indicate when a rear
axle locker fault has been detected.
— Service Forward Collision Warning (FCW) Light —
If Equipped
This warning light will illuminate to indicate a fault in the
Forward Collision Warning System. Contact an authorized
dealer for service.
Refer to “Forward Collision Warning (FCW) With Mitiga -
tion” in “Safety” for further information.
CAUTION!
The TPMS has been optimized for the original
equipment tires and wheels. TPMS pressures and
warning have been established for the tire size equipped
on your vehicle. Undesirable system operation or sensor
damage may result when using replacement equipment
that is not of the same size, type, and/or style.
Aftermarket wheels can cause sensor damage. Using
aftermarket tire sealants may cause the Tire Pressure
Monitoring System (TPMS) sensor to become
inoperable. After using an aftermarket tire sealant it is
recommended that you take your vehicle to your
authorized dealer to have your sensor function checked.
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198
(Continued)
SAFETY
SAFETY FEATURES
Anti-Lock Brake System (ABS)
The Anti-Lock Brake System (ABS) provides increased
vehicle stability and brake performance under most braking
conditions. The system automatically prevents wheel lock,
and enhances vehicle control during braking.
The ABS performs a self-check cycle to ensure that the ABS
is working properly each time the vehicle is started and
driven. During this self-check, you may hear a slight clicking
sound as well as some related motor noises.
ABS is activated during braking when the system detects one
or more wheels begin to lock. Road conditions such as ice,
snow, gravel, bumps, railroad tracks, loose debris, or panic
stops may increase the likelihood of ABS activation(s).
You also may experience the following when ABS activates:
• The ABS motor noise (it may continue to run for a shorttime after the stop)
• The clicking sound of solenoid valves • Brake pedal pulsations
• A slight drop of the brake pedal at the end of the stop
These are all normal characteristics of ABS.
WARNING!
• The ABS contains sophisticated electronic equipment that may be susceptible to interference caused by
improperly installed or high output radio transmitting
equipment. This interference can cause possible loss of
anti-lock braking capability. Installation of such equip -
ment should be performed by qualified professionals.
• Pumping of the Anti-Lock Brakes will diminish their effectiveness and may lead to a collision. Pumping
makes the stopping distance longer. Just press firmly
on your brake pedal when you need to slow down or
stop.
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SAFETY 199
ABS is designed to function with the Original Equipment
Manufacturer (OEM) tires. Modification may result in
degraded ABS performance.
Anti-Lock Brake Warning Light
The yellow “Anti-Lock Brake Warning Light” will turn on
when the ignition is turned to the ON/RUN mode and may
stay on for as long as four seconds.If the “Anti-Lock Brake Warning Light” remains on or comes
on while driving, it indicates that the anti-lock portion of the
brake system is not functioning and that service is required.
However, the conventional brake system will continue to
operate normally if the “Anti-Lock Brake Warning Light” is
on.
If the “Anti-Lock Brake Warning Light” is on, the brake
system should be serviced as soon as possible to restore the
benefits of anti-lock brakes. If the “Anti-Lock Brake Warning
Light” does not come on when the ignition is turned to the
ON/RUN mode, have the light repaired as soon as possible.
Electronic Brake Control System
Your vehicle is equipped with an advanced Electronic Brake
Control (EBC) system. This system includes Electronic Brake
Force Distribution (EBD), Anti-Lock Brake System (ABS),
Brake Assist System (BAS), Hill Start Assist (HSA), Traction
Control System (TCS), Electronic Stability Control (ESC),
and Electronic Roll Mitigation (ERM). These systems work
together to enhance both vehicle stability and control in
various driving conditions.
Your vehicle may also be equipped with Trailer Sway
Control (TSC) and Hill Descent Control (HDC).
• The ABS cannot prevent the natural laws of physics
from acting on the vehicle, nor can it increase braking
or steering efficiency beyond that afforded by the
condition of the vehicle brakes and tires or the traction
afforded.
• The ABS cannot prevent collisions, including those resulting from excessive speed in turns, following
another vehicle too closely, or hydroplaning.
• The capabilities of an ABS equipped vehicle must never be exploited in a reckless or dangerous manner
that could jeopardize the user’s safety or the safety of
others.
WARNING! (Continued)
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200 SAFETY
Brake Assist System (BAS)
The Brake Assist System (BAS) is designed to optimize the
vehicle’s braking capability during emergency braking
maneuvers. The system detects an emergency braking situa-
tion by sensing the rate and amount of brake application, and
then applies optimum pressure to the brakes. This can help
reduce braking distances. The BAS complements the
Anti-lock Brake System (ABS). Applying the brakes very
quickly results in the best BAS assistance. To receive the
benefit of the system, you must apply continuous braking
pressure during the stopping sequence, (do not “pump” the
brakes). Do not reduce brake pedal pressure unless braking
is no longer desired. Once the brake pedal is released, the
BAS is deactivated. Brake System Warning Light
The red “Brake System Warning Light” will turn on when
the ignition is turned to the ON/RUN mode and may stay on
for as long as four seconds.
If the “Brake System Warning Light” remains on or comes on
while driving, it indicates that the brake system is not func
-
tioning properly and that immediate service is required. If
the “Brake System Warning Light” does not come on when
the ignition is turned to the ON/RUN mode, have the light
repaired as soon as possible.
Electronic Brake Force Distribution (EBD)
This function manages the distribution of the braking torque
between the front and rear axles by limiting braking pressure
to the rear axle. This is done to prevent overslip of the rear
wheels to avoid vehicle instability, and to prevent the rear
axle from entering ABS before the front axle.
Electronic Roll Mitigation (ERM)
The Electronic Roll Mitigation (ERM) system anticipates the
potential for wheel lift by monitoring the driver’s steering
wheel input and the speed of the vehicle. When ERM deter -
mines that the rate of change of the steering wheel angle and
vehicle’s speed are sufficient to potentially cause wheel lift,
WARNING!
The Brake Assist System (BAS) cannot prevent the
natural laws of physics from acting on the vehicle, nor
can it increase the traction afforded by prevailing road
conditions. BAS cannot prevent collisions, including
those resulting from excessive speed in turns, driving on
very slippery surfaces, or hydroplaning. The capabilities
of a BAS-equipped vehicle must never be exploited in a
reckless or dangerous manner, which could jeopardize
the user's safety or the safety of others.
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SAFETY 257
• Do not replace the seat cover or cushion with an after-
market seat cover or cushion.
• Do not add a secondary seat cover or mat.
• At no time should any Supplemental Restraint System (SRS) component or SRS related component or fastener be
modified or replaced with any part except those which are
approved by FCA US LLC.
Knee Impact Bolsters
The Knee Impact Bolsters help protect the knees of the driver
and front passenger, and position the front occupants for
improved interaction with the front air bags. Supplemental Side Air Bags
Supplemental Seat-Mounted Side Air Bags (SABs)
This vehicle is equipped with Supplemental Seat-Mounted
Side Air Bags (SABs).
Supplemental Seat-Mounted Side Air Bags (SABs) are
located in the outboard side of the front seats. The SABs are
marked with “SRS AIRBAG” or “AIRBAG” on a label or on
the seat trim on the outboard side of the seats.
The SABs may help to reduce the risk of occupant injury
during certain side impacts, in addition to the injury reduc
-
tion potential provided by the seat belts and body structure.
WARNING!
• Unapproved modifications or service procedures to the passenger seat assembly, its related components, seat
cover or cushion may inadvertently change the air bag
deployment in case of a frontal collision. This could
result in death or serious injury to the front passenger
if the vehicle is involved in a collision. A modified
vehicle may not comply with required Federal Motor
Vehicle Safety Standards (FMVSS) and/or Canadian
Motor Vehicle Safety Standards (CMVSS).
• If it is necessary to modify the air bag system for persons with disabilities, contact an authorized dealer.
WARNING!
• Do not drill, cut, or tamper with the knee impact bolsters in any way.
• Do not mount any accessories to the knee impact bolsters such as alarm lights, stereos, citizen band
radios, etc.
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SAFETY 275
Center Tether Anchorage Over Head Rest
LATCH-compatible child restraint systems will be equipped
with a rigid bar or a flexible strap on each side. Each will
have a hook or connector to attach to the lower anchorage
and a way to tighten the connection to the anchorage.
Forward-facing child restraints and some rear-facing child
restraints will also be equipped with a tether strap. The
tether strap will have a hook at the end to attach to the top
tether anchorage and a way to tighten the strap after it is
attached to the anchorage. Center Seat LATCH
All Quad Cabs Or Crew Cab Full Bench Rear Seat: No
Lower Center LATCH Anchorages Available
Crew Cab Split Bench Rear Seat: Center LATCH Anchor
-
ages Available
If a child restraint installed in the center position blocks the
seat belt webbing or buckle for the outboard position, do not
use that outboard position. If a child seat in the center posi -
tion blocks the outboard LATCH anchors or seat belt, do not
install a child seat in that outboard position.
WARNING!
• Do not install a child restraint in the center position using the LATCH system. This position is not approved
for installing child seats using the LATCH attachments.
You must use the seat belt and tether anchor to install a
child seat in the center seating position.
• Never use the same lower anchorage to attach more than one child restraint. Please refer to “To Install A
LATCH-Compatible Child Restraint” for typical instal -
lation instructions.
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STARTING AND OPERATING 345
To Set A Desired ACC Speed
When the vehicle reaches the speed desired, push the SET (+)
button or the SET (-) button and release. The instrument
cluster display will show the set speed.
If the system is set when the vehicle speed is below 20 mph
(32 km/h), the set speed shall be defaulted to 20 mph
(32 km/h). If the system is set when the vehicle speed is
above 20 mph (32 km/h), the set speed shall be the current
speed of the vehicle.
NOTE:
ACC cannot be set if there is a stationary vehicle in front of
your vehicle in close proximity.
Remove your foot from the accelerator pedal, after the ACC
has been set. If you do not, the vehicle may continue to accel -
erate beyond the set speed. If this occurs:
• The message “ACC DRIVER OVERRIDE” will display in the instrument cluster display.
• The system will not be controlling the distance between your vehicle and the vehicle ahead. The vehicle speed will
only be determined by the position of the accelerator
pedal.
To Cancel
The following conditions cancel the system:
• The brake pedal is applied.
• The CANC (cancel) button is pushed.
• An Anti-Lock Brake System (ABS) event occurs.
• The trailer brake is applied manually (if equipped).
• The gear selector is removed from the DRIVE position.
• The Electronic Stability Control/Traction Control System(ESC/TCS) activates.
• The vehicle parking brake is applied.
• Driver seatbelt is unbuckled at low speeds.
• Driver door is opened at low speeds.
• A Trailer Sway Control (TSC) event occurs.
• The driver switches ESC to Full Off mode.
• The braking temperature exceeds normal range (over -
heated).
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