brake RAM 1500 2022 Workshop Manual

190STARTING AND OPERATING
Front Park Assist Audible Alerts
ParkSense will turn off the Front Park Assist
audible alert (chime) after approximately three
seconds when an obstacle has been detected, the
vehicle is stationary, and brake pedal is applied.
Adjustable Chime Volume Settings
The Front and Rear chime volume settings are
programmable through the Uconnect system
Ú page 234.
ENABLING AND DISABLING FRONT
A
ND/OR REAR PARKSENSE
Front ParkSense can be enabled and
disabled with the Front ParkSense
switch.
Rear ParkSense can be enabled and disabled with
the Rear ParkSense switch.
When the Front or Rear ParkSense switch is
pushed to disable the system, the instrument
cluster display Ú page 114 will show a vehicle
graphic of the Front or Rear ParkSense on/off
state for two seconds.
When the gear selector is moved to REVERSE and
the Front or Rear system is disabled, the
instrument cluster display will show a vehicle
graphic with “OFF” on the corresponding side. This
vehicle graphic will be displayed for as long as the
vehicle is in REVERSE.
NOTE:Arc alerts from the enabled ParkSense system, will
interrupt the five second messages, and the
instrument cluster display will show the vehicle
graphic with the corresponding arcs and “OFF”
message.
The Front or Rear ParkSense switch LED will be on
when Front or Rear ParkSense is disabled or
requires service. The Front or Rear ParkSense
switch LED will be off when the Front or Rear
system is enabled. If the Front or Rear ParkSense
switch is pushed, and the system requires service,
the Front or Rear ParkSense switch LED will blink
momentarily, and then the LED will be on.
SERVICE THE PARKSENSE PARK ASSIST
S
YSTEM
During vehicle start up, when the ParkSense
System has detected a faulted condition, the
instrument cluster will actuate a single chime,
once per ignition cycle, and it will display the
"PARKSENSE UNAVAILABLE WIPE REAR
SENSORS", "PARKSENSE UNAVAILABLE WIPE
FRONT SENSORS", or the "PARKSENSE
UNAVAILABLE SERVICE REQUIRED" message for
five seconds. When the gear selector is moved to
REVERSE and the system has detected a faulted condition, the instrument cluster display will
display a "WIPE OFF" message on the
corresponding blocked system while the vehicle is
in REVERSE. The system will continue to provide
arc alerts for the side that is functioning properly.
If "PARKSENSE UNAVAILABLE WIPE REAR
SENSORS" or "PARKSENSE UNAVAILABLE WIPE
FRONT SENSORS" appears in the instrument
cluster display make sure the outer surface and
the underside of the rear fascia/bumper and/or
front fascia/bumper is clean and clear of snow,
ice, mud, dirt or other obstruction and then cycle
the ignition. If the message continues to appear
see an authorized dealer.
NOTE:Water from a car wash or road slush in freezing
weather may also cause sensors to become
blocked.
If the "PARKSENSE UNAVAILABLE SERVICE
REQUIRED" message appears in the instrument
cluster display, see your authorized dealer.
CLEANING THE PARKSENSE SYSTEM
Clean the ParkSense sensors with water, car wash
soap and a soft cloth. Do not use rough or hard
cloths. Do not scratch or poke the sensors.

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STARTING AND OPERATING191
PARKSENSE SYSTEM USAGE
P
RECAUTIONS
NOTE:
Ensure that the front and rear fascias/bumpers
are free of snow, ice, mud, dirt and debris to
keep the ParkSense system operating properly.
Jackhammers, large trucks, and other vibra -
tions could affect the performance of Park -
Sense.
When you turn Front or Rear ParkSense off, the
instrument cluster display will show a vehicle
graphic of the Front or Rear ParkSense on/off
state for two seconds. Furthermore, once you
turn Front or Rear ParkSense off, it remains off
until you turn it on again, even if you cycle the
ignition.
When you move the gear selector to the
REVERSE position and Front or Rear ParkSense
is turned off, the instrument cluster display will
show a vehicle graphic with "OFF" in the corre -
sponding side. This vehicle graphic will be
displayed for as long as the vehicle is in
REVERSE.
ParkSense, when on, will reduce the volume of
the radio when it is sounding a tone.
Clean the ParkSense sensors regularly, taking
care not to scratch or damage them. The
sensors must not be covered with ice, snow,
slush, mud, dirt or debris. Failure to do so can
result in the system not working properly. The
ParkSense system might not detect an obstacle
behind or in front of the fascia/bumper, or it
could provide a false indication that an obstacle
is behind or in front of the fascia/bumper.
Use the ParkSense switch to turn the ParkSense
system off if obstacles such as bicycle carriers,
trailer hitches, etc. are placed near the rear
fascia/bumper. Failure to do so can result in the
system misinterpreting a close obstacle as a
sensor problem, causing the “PARKSENSE
UNAVAILABLE SERVICE REQUIRED” message to
be appear in the instrument cluster display.
ParkSense should be disabled when the tailgate
is in the lowered or open position. A lowered tail -
gate could provide a false indication that an
obstacle is behind the vehicle and could also
cause a false braking event.
The Rear ParkSense system will automatically
disable when the system detects that a trailer
with trailer brakes has been connected to the
Integrated Trailer Brake Module.
The Front ParkSense system will automatically
disable if a snow plow has been connected to
the vehicle.
WARNING!
Drivers must be careful when backing up even
when using ParkSense. Always check carefully
behind your vehicle, look behind you, and be
sure to check for pedestrians, animals, other
vehicles, obstructions, and blind spots before
backing up. You are responsible for safety and
must continue to pay attention to your
surroundings. Failure to do so can result in
serious injury or death.
Before using ParkSense, it is strongly recom -
mended that the ball mount and hitch ball
assembly be disconnected from the vehicle
when the vehicle is not used for towing.
Failure to do so can result in injury or damage
to vehicles or obstacles because the hitch ball
will be much closer to the obstacle than the
rear fascia/bumper when the vehicle sounds
the continuous tone. Also, the sensors could
detect the ball mount and hitch ball assembly,
depending on its size and shape, and give a
false indication that an obstacle is behind the
vehicle, and could cause false braking.
4

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192STARTING AND OPERATING

PARKSENSE ACTIVE PARK ASSIST SYSTEM —
IF EQUIPPED

The ParkSense Active Park Assist system is
intended to assist the driver during parallel and
perpendicular parking maneuvers by identifying a
proper parking space, providing audible/visual
instructions through the instrument cluster
display, and controlling the steering wheel. The
ParkSense Active Park Assist system is defined as
“semi-automatic” since the driver maintains
control of the accelerator, gear selector and brakes. Depending on the driver's parking
maneuver selection, the ParkSense Active Park
Assist system is capable of maneuvering a vehicle
into a parallel or a perpendicular parking space on
either side (i.e., driver side or passenger side).
NOTE:
The driver is always responsible for controlling
the vehicle, responsible for any surrounding
objects, and must intervene as required.
The system is provided to assist the driver and
not to substitute the driver.
During a semi-automatic maneuver, if the driver
touches the steering wheel after being
instructed to remove their hands from the
steering wheel, the system will cancel, and the
driver will be required to manually complete the
parking maneuver.
The system may not work in all conditions (e.g.
environmental conditions such as heavy rain,
snow, etc., or if searching for a parking space
that has surfaces that will absorb the ultrasonic
sensor waves).
New vehicles from the dealership must have at
least 30 miles (48 km) accumulated before the
ParkSense Active Park Assist system is fully cali
-
brated and performs accurately. This is due to
the system’s dynamic vehicle calibration to
improve the performance of the feature.
The driver must control the vehicle’s brakes.
The automatic emergency braking feature is
NOT intended to substitute for the driver during
REVERSE maneuvers.
ENABLING AND DISABLING THE
P
ARKSENSE ACTIVE PARK ASSIST
S
YSTEM
The ParkSense Active Park Assist system
can be enabled and disabled with the
ParkSense Active Park Assist switch,
located on the switch panel below the
Uconnect display.
NOTE:If your vehicle is equipped with a 12-inch Uconnect
display, the ParkSense Active Park Assist switch is
located above the display.
To enable or disable the ParkSense Active Park
Assist system, push the ParkSense Active Park
Assist switch once (LED turns on). Pushing the
switch a second time will disable the system
(LED turns off).
CAUTION!
ParkSense is only a parking aid and it is
unable to recognize every obstacle, including
small obstacles. Parking curbs might be
temporarily detected or not detected at all.
Obstacles located above or below the sensors
will not be detected when they are in close
proximity.
The vehicle must be driven slowly when using
ParkSense in order to be able to stop in time
when an obstacle is detected. It is recom -
mended that the driver looks over his/her
shoulder when using ParkSense.

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STARTING AND OPERATING195
The system may then instruct the driver to wait for
steering to complete before then instructing to
check surroundings and move backward.

Move Backward Into Parallel Parking Space
Move Backward Into Perpendicular Parking Space
The system may instruct several more gear shifts
(DRIVE and REVERSE), with hands off of the
steering wheel, before instructing the driver to
check surroundings and complete the parking
maneuver.
When the vehicle is in the parking position, the
maneuver is complete and the driver will be
instructed to check the vehicle's parking position,
then shift the vehicle into PARK. The message
"Active ParkSense Complete - Check Parking
Position" will be displayed momentarily.
NOTE:
It is the driver's responsibility to use the brake
and accelerator during the semi-automatic
parking maneuver.
It is the driver's responsibility to use the brake
and stop the vehicle. The driver should check
their surroundings and be prepared to stop the
vehicle either when instructed to, or when driver
intervention is required.
When the system instructs the driver to remove
their hands from the steering wheel, the driver
should check their surroundings and begin to
back up slowly.
The ParkSense Active Park Assist system will
allow a maximum of eight shifts between DRIVE
and REVERSE. If the maneuver cannot be
completed within eight shifts, the system will
cancel and the instrument cluster display will
instruct the driver to complete the maneuver
manually.
The system will cancel the maneuver if the
vehicle speed exceeds 5 mph (7 km/h) during
active steering guidance into the parking space.
The system will provide a warning to the driver
at 3 mph (5 km/h) that tells them to slow down.
The driver is then responsible for completing the
maneuver if the system is canceled.
If the system is canceled during the maneuver
for any reason, the driver must take control of
the vehicle.
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198STARTING AND OPERATING
When the LaneSense system senses a lane drift
situation, the left lane line turns solid yellow.
The LaneSense telltale changes from solid
green to solid yellow. At this time torque is
applied to the steering wheel in the opposite
direction of the lane boundary.
For example: If approaching the left side of the
lane the steering wheel will turn to the right.

Lane Sensed (Solid Yellow Lane Line) With Solid Yellow Telltale
When the LaneSense system senses the lane
has been approached and is in a lane departure
situation, the left lane line flashes yellow
(on/off). The LaneSense telltale changes
from solid yellow to flashing yellow. At this time
torque is applied to the steering wheel in the
opposite direction of the lane boundary.
For example: If approaching the left side of the
lane the steering wheel will turn to the right.

Lane Approached (Flashing Yellow Lane Line) With Flashing Yellow Telltale

NOTE:The LaneSense system operates with similar
behavior for a right lane departure.
CHANGING LANESENSE STATUS
The LaneSense system has settings to adjust the
intensity of the torque warning and the warning
zone sensitivity (Early/Medium/Late) that you can
configure through the Uconnect system
Úpage 234.
NOTE:
When enabled the system operates above
37 mph (60 km/h) and below 112 mph
(180 km/h).
The warnings are disabled with use of the
turn signal.
The system will not apply torque to the steering
wheel whenever a safety system engages
(Anti-Lock Brakes, Traction Control System,
Electronic Stability Control, Forward Collision
Warning, etc.).

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212STARTING AND OPERATING
TIRE SIZE
The tire size on the Vehicle Certification Label
represents the actual tire size on your vehicle.
Replacement tires must be equal to the load
capacity of this tire size.
RIM SIZE
This is the rim size that is appropriate for the tire
size listed.
INFLATION PRESSURE
This is the cold tire inflation pressure for your
vehicle for all loading conditions up to full Gross
Axle Weight Rating (GAWR).
CURB WEIGHT
The curb weight of a vehicle is defined as the total
weight of the vehicle with all fluids, including
vehicle fuel, at full capacity conditions, and with no
occupants or cargo loaded into the vehicle. The
front and rear curb weight values are determined
by weighing your vehicle on a commercial scale
before any occupants or cargo are added.
LOADING
The actual total weight and the weight of the front
and rear of your vehicle at the ground can best be
determined by weighing it when it is loaded and
ready for operation.
The entire vehicle should first be weighed on a
commercial scale to insure that the Gross Vehicle
Weight Rating (GVWR) has not been exceeded. The
weight on the front and rear of the vehicle should
then be determined separately to be sure that the
load is properly distributed over the front and rear
axle. Weighing the vehicle may show that the Gross
Axle Weight Rating (GAWR) of either the front or
rear axles has been exceeded but the total load is
within the specified GVWR. If so, weight must be
shifted from front to rear or rear to front as
appropriate until the specified weight limitations
are met. Store the heavier items down low and be
sure that the weight is distributed equally. Stow all
loose items securely before driving.
Improper weight distributions can have an adverse
effect on the way your vehicle steers and handles
and the way the brakes operate.
TRAILER TOWING
In this section you will find safety tips and
information on limits to the type of towing you can
reasonably do with your vehicle. Before towing a
trailer, carefully review this information to tow your
load as efficiently and safely as possible.
To maintain the New Vehicle Limited Warranty
coverage, follow the requirements and
recommendations in this manual concerning
vehicles used for trailer towing.
CAUTION!
Do not load your vehicle any heavier than the
GVWR or the maximum front and rear GAWR. If
you do, parts on your vehicle can break, or it can
change the way your vehicle handles. This could
cause you to lose control. Also, overloading can
shorten the life of your vehicle.

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STARTING AND OPERATING213
COMMON TOWING DEFINITIONS
The following trailer towing related definitions will
assist you in understanding the following
information:
Gross Vehicle Weight Rating (GVWR)
The GVWR is the total allowable weight of your
vehicle. This includes driver, passengers, cargo
and tongue weight. The total load must be limited
so that you do not exceed the GVWR Ú page 211.
Gross Trailer Weight (GTW)
The GTW is the weight of the trailer plus the weight
of all cargo, consumables and equipment
(permanent or temporary) loaded in or on the
trailer in its “loaded and ready for operation”
condition.
The recommended way to measure GTW is to put
your fully loaded trailer on a vehicle scale. The
entire weight of the trailer must be supported by
the scale.
Gross Combination Weight Rating (GCWR)
The GCWR is the total allowable weight of your
vehicle and trailer when weighed in combination.
Gross Axle Weight Rating (GAWR)
The GAWR is the maximum capacity of the front
and rear axles. Distribute the load over the front
and rear axles evenly. Make sure that you do not
exceed either front or rear GAWR Úpage 211.
Tongue Weight (TW)
The TW is the downward force exerted on the hitch
ball by the trailer. You must consider this as part of
the load on your vehicle.
Trailer Frontal Area
The frontal area is the maximum height multiplied
by the maximum width of the front of a trailer.
Trailer Sway Control (TSC)
The TSC can be a mechanical telescoping link that
can be installed between the hitch receiver and the
trailer tongue that typically provides adjustable
friction associated with the telescoping motion to
dampen any unwanted trailer swaying motions
while traveling.
The electronic TSC (If equipped) recognizes a
swaying trailer and automatically applies individual
wheel brakes and/or reduces engine power to
attempt to eliminate the trailer sway.
Weight-Carrying Hitch
A weight-carrying hitch supports the trailer tongue
weight, just as if it were luggage located at a hitch
ball or some other connecting point of the vehicle.
These kinds of hitches are commonly used to tow
small and medium sized trailers.
WARNING!
If the gross trailer weight is 5,000 lb (2,267 kg)
or more, it is recommended to use a
weight-distributing hitch to ensure stable
handling of your vehicle. If you use a standard
weight-carrying hitch, you could lose control of
your vehicle and cause a collision.
WARNING!
It is important that you do not exceed the
maximum front or rear GAWR. A dangerous
driving condition can result if either rating is
exceeded. You could lose control of the vehicle
and have a collision.
4

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214STARTING AND OPERATING
Weight-Distributing Hitch
A weight-distributing system works by applying
leverage through spring (load) bars. They are
typically used for heavier loads to distribute trailer
tongue weight to the tow vehicle's front axle and
the trailer axle(s). When used in accordance with
the manufacturer's directions, it provides for a
more level ride, offering more consistent steering
and brake control, thereby enhancing towing
safety. The addition of a friction/hydraulic sway
control also dampens sway caused by traffic and
crosswinds and contributes positively to tow
vehicle and trailer stability. Trailer Sway Control
and a weight-distributing (load equalizing) hitch
are recommended for heavier Tongue Weights
(TW) and may be required depending on vehicle
and trailer configuration/loading to comply with
GAWR requirements.

Without Weight-Distributing Hitch (Incorrect)With Weight-Distributing Hitch (Correct)
Improper Adjustment Of Weight-Distributing Hitch (Incorrect)
WARNING!
An improperly adjusted weight-distributing
hitch system may reduce handling, stability
and braking performance and could result in a
collision.
Weight-distributing systems may not be
compatible with surge brake couplers. Consult
with your hitch and trailer manufacturer or a
reputable Recreational Vehicle dealer for
additional information.

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STARTING AND OPERATING217
TRAILER TOWING WEIGHTS (MAXIMUM
T
RAILER WEIGHT RATINGS)
NOTE:For trailer towing information (maximum trailer
weight ratings) refer to the following website
addresses:
ramtrucks.com/en/towing_guide/
ramtruck.ca (Canada)
rambodybuilder.com
TRAILER AND TONGUE WEIGHT

Weight Distribution
Consider the following items when computing the
weight on the rear axle of the vehicle:
The tongue weight of the trailer.
The weight of any other type of cargo or equip
-
ment put in or on your vehicle.
The weight of the driver and all passengers.
NOTE:Remember that everything put into or on the trailer
adds to the load on your vehicle. Also, additional
factory-installed options or dealer-installed options
must be considered as part of the total load on
your vehicle. Refer to the Tire And Loading Infor -
mation placard for the maximum combined weight
of occupants and cargo for your vehicle.
TRAILER REVERSE STEERING CONTROL
Feature Overview
Trailer Reverse Steering Control (TRSC) is a feature
that will assist the driver when backing up a trailer.
By turning the knob located on the center stack,
you can more accurately control the direction the
trailer will go.
The driver controls the accelerator and the brake
while steering with the use of the Trailer Reverse
Steering Control knob. The trailer is steered
according to the direction the knob is turned. This feature will also allow the driver to back up a
vehicle and trailer in a straight line when the knob
is rested in its center position.
Minimal setup is required to use this feature.
Set Up:
To use the system, hitch your trailer to the truck
and ensure all electrical wiring is connected
Ú
page 223.
The system will automatically calibrate an
attached trailer during normal forward driving with
no additional action needed from the driver. If the
vehicle has not had enough time to automatically
calibrate after connecting a trailer, you will see a
“Calibrate Trailer” message in the instrument
cluster when pressing the TRSC button to activate
the system. If this is the case, perform the following
maneuver to calibrate the trailer:
Drive forward at least 100 ft (30 m), perform a
90 degree turn and return to a straight position for
at least another 100 ft (30 m). Perform another 90 degree turn, followed by another straight drive
of at least 100 ft (30 m). Check that the system has calibrated by pushing the TRSC button.
4

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218STARTING AND OPERATING
NOTE:The 90 degree turns could be in either the left or
right direction.

Trailer Reverse Steering Control Calibration
Using TRSC

Trailer Reverse Steering Control Knob

To use the system, place the gear selector in PARK
and put your foot on the brake. Push the activation
button located above the TRSC knob in the center
stack. The LED on the button will glow solid and the
instrument cluster display will direct you to shift to
REVERSE. Once in REVERSE the system is active.
Remove hands from the steering wheel and slowly
back up while turning the TRSC knob in the direction you want the trailer to go. Turning the
knob clockwise will cause the trailer to turn right.
Turning the knob counterclockwise will cause the
trailer to turn left. If you release the knob, it will
return to its center position, and the trailer will
back up in a straight line.
Continue to control the accelerator and brake
while backing the trailer up.
NOTE:While active, TRSC will automatically disable the
Rear Park Assist system if it was previously
enabled.
The system will limit the top speed your vehicle can
travel in REVERSE while using the feature. If
needed, you can shift to DRIVE or NEUTRAL to pull
forward to get more room or straighten out the
trailer, and shift back to REVERSE without the need
to reactivate the feature.
The feature will cancel after 30 seconds in
DRIVE or when the vehicle speed reaches 8 mph
(12 km/h).
To cancel out of the feature, come to a stop and
shift to PARK, or push the TRSC activation button.
1 — Straight 100 ft (30 m)
2 — Intersection turn with radius 50-65 ft
(15-20 m) in either direction
3 — Straight 100 ft (30 m)
4 — Intersection turn with radius 50-65 ft
(15-20 m) in either direction
5 — Straight 100 ft (30 m)
6 — Straight 100 ft (30 m), making sure to align
vehicle/trailer to path center line
7 — Feature is active, turn knob left or right to
back the trailer up
CAUTION!
Always observe the position of the trailer and
surroundings using the camera and mirrors to
avoid damage to the truck or trailer.

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