height RAM 1500 2022 User Guide

STARTING AND OPERATING169

ACTIVE-LEVEL FOUR CORNER AIR
SUSPENSION SYSTEM (OFF-ROAD GROUP) —
IF EQUIPPED

DESCRIPTION
The air suspension system provides full-time
load-leveling capability along with the benefit of
being able to adjust vehicle height by using the
toggle switch.

Rebel Air Suspension Controls

Off-Road (OR) (Raises the vehicle approximately
1 inch [26 mm]) – This position is intended for
off-roading use only where maximum ground
clearance is required. To enter OR, push the
height selector switch up once from the NRH
position while vehicle speed is below 20 mph
(32 km/h). While in OR, if the vehicle speed
exceeds 25 mph (40 km/h) the vehicle height will be automatically lowered to NRH. Off-Road
may not be available due to vehicle payload, an
instrument cluster display message will be
shown when this occurs Ú
page 114.
Normal Ride Height (NRH) – This is the standard
position of the suspension and is meant for
normal driving.
Aero Height (Lowers the vehicle approximately
0.6 inches [15 mm]) – This position provides
improved aerodynamics by lowering the vehicle.
The vehicle will automatically enter Automatic
Aero Mode when the vehicle speed remains
between 62 mph (100 km/h) and 66 mph
(106 km/h) for greater than 20 seconds or if the
vehicle speed exceeds 66 mph (106 km/h). The
vehicle will return to NRH from Aero Mode if the
vehicle speed remains between 30 mph
(48 km/h) and 35 mph (56 km/h) for greater
than 20 seconds or if the vehicle speed falls
below 30 mph (48 km/h).
1 — Off-Road Indicator (Customer Selectable)
2 — Normal Ride Height Indicator
(Customer Selectable)
3 — Aero Height Indicator (Customer Selectable)
4 — Entry/Exit Height Indicator
(Customer Selectable)
CAUTION!
If the vehicle is in Off-Road setting, be aware of
your surroundings, you may not have the
clearance required for certain areas and vehicle
damage may occur.
4

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170STARTING AND OPERATING
NOTE:
Automatic Aero mode will be disabled if a
trailer is detected to prevent shifting loads.
Speed thresholds for raising or lowering the
vehicle only apply if Automatic Aero Mode is
enabled through vehicle settings on your
Uconnect Radio.
To enter Aero Height manually push the
height selector switch down once from NRH
at any vehicle speed. To return to NRH push
the height selector switch up once while
vehicle speed is less than 56 mph (90 km/
h).
Automatic Aero Mode may be disabled
through vehicle settings on your Uconnect
Radio.
Entry/Exit Height (Lowers the vehicle approxi -
mately 3 inches [73 mm]) – This position lowers
the vehicle for easier passenger entry and exit
as well as lowering the vehicle for easier loading
and unloading of cargo. To enter Entry/Exit
Mode, push the height selector switch down
twice from the NRH while the vehicle speed is
below 33 mph (53 km/h). Once the vehicle
speed goes below 15 mph (24 km/h) the
vehicle height will begin to lower. If the vehicle
speed remains between 15 mph (24 km/h) and
25 mph (40 km/h) for greater than 60 seconds,
or the vehicle speed exceeds 25 mph (40 km/h)
the Entry/Exit change will be canceled. To return to Normal Height Mode, push the height
selector switch up twice while in Entry/Exit or
drive the vehicle over 15 mph (24 km/h). Entry/
Exit Height may not be available due to vehicle
payload, an instrument cluster display message
will be shown when this occurs Ú
page 114.
The system requires that the ignition be in the ON/
RUN position or the engine running for all user
requested changes. When lowering the vehicle, all
of the doors must be closed. If a door is opened at
any time while the vehicle is lowering, the change
will not be completed until the open door(s) is
closed.
This system uses a lifting and lowering pattern
which keeps the headlights from incorrectly
shining into oncoming traffic. When raising the
vehicle, the rear of the vehicle will move up first
and then the front. When lowering the vehicle, the
front will move down first and then the rear.
After the engine is turned off, it may be noticed that
the air suspension system operates briefly; this is
normal. The system is correcting the position of the
vehicle to ensure a proper appearance. To assist with changing a spare tire, the air
suspension system has a feature which allows the
automatic leveling to be disabled Ú
page 234.
NOTE:Default Ride Height:
Select Aero Height or Normal Ride Height as the
default for all vehicle speeds and operation.
This is the selected height that the suspension
will level for speed changes (e.g. raising from
Entry/Exit Height at speed, lowering from Off
Road Height at speed, etc.).
Default ride height can be changed by manually
adjusting the Air Suspension switch to Normal
Ride Height or Aero Ride Height and staying in
the selected height for 2.5 seconds. It will be
stored as the default ride height and the height
will be maintained until a new default ride
height is selected.
If equipped with a touchscreen radio, all enabling/
disabling of air suspension features must be done
through the radio Ú page 234.
CAUTION!
When in ENTRY/EXIT Height, be aware of your
surroundings, you may not have the clearance
required for certain areas and vehicle damage
may occur.
WARNING!
The air suspension system uses a high pressure
volume of air to operate the system. To avoid
personal injury or damage to the system, see an
authorized dealer for service.

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STARTING AND OPERATING171
AIR SUSPENSION MODES
The air suspension system has multiple modes to
protect the system in unique situations:
Automatic Aero Mode
To improve aerodynamics, the air suspension
system has a feature which will put the vehicle into
Aero height automatically at higher speeds
Úpage 114.
Tire Jack Mode
To assist with changing a tire, the air suspension
system has a feature which allows the automatic
leveling to be disabled Ú page 234.
Transport Mode
For towing your vehicle with four wheels off the
road, the air suspension system has a feature
which will put the vehicle into Entry/Exit height and
disable the automatic load leveling system
Ú page 234.
Wheel Alignment Mode
Before performing a wheel alignment, this mode
must be enabled which moves the vehicle to
normal ride height and disables the automatic
leveling Ú page 234.
Protection Strategy
In order to protect the air suspension system, the
vehicle will disable load leveling as required
(suspension overloaded, battery charge low, etc.). Load leveling will automatically resume as soon as
system operation requirements are met. See an
authorized dealer if system does not resume.
NOTE:For towing with air suspension Ú
page 212.
INSTRUMENT CLUSTER DISPLAY
M
ESSAGES
When the appropriate conditions exist, a message
will appear in the instrument cluster display
Ú page 114.
An audible chime will be heard whenever a system
error has been detected.
See an authorized dealer for system service if
normal operation does not resume.
OPERATION

Air Suspension Switch
The indicator lamps 1 through 4 will illuminate to
show the current position of the vehicle. Flashing
indicator lamps will show a position which the
system is working to achieve. When raising or
lowering, the flashing indicator lamp is the position
the system is working to achieve.
Pushing the height selector switch up once will
move the suspension one position higher from the
current position, assuming all conditions are met
(i.e., key in ON/RUN position, engine running,
speed below threshold, etc.). The height selector
switch can be pushed up multiple times, each push
will raise the requested level by one position up to
a maximum position of OR or the highest position
allowed based on current conditions (i.e., vehicle
speed, etc.).
Pushing the height selector switch down once will
move the suspension one position lower from the
current level, assuming all conditions are met (i.e.,
key in ON/RUN position, engine running, doors
closed, speed below threshold, etc.). The height
selector switch can be pushed down multiple
times, each push will lower the requested level by
one position down to a minimum of Entry/Exit
Mode or the lowest position allowed based on
current conditions (i.e., vehicle speed, etc.).
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172STARTING AND OPERATING
Automatic height changes will occur based on
vehicle speed and the current vehicle height. The
indicator lamps and instrument cluster display
messages will operate the same for automatic
changes and user requested changes.
Off-Road 1 (OR1) – Indicator lamps 4, 3, 2, and
1 will be illuminated.
Normal Ride Height (NRH) – Indicator lamps 4,
3, and 2 will be illuminated.
Aero Height– Indicator lamps 4 and 3 will be illu -
minated.
Entry/Exit – Indicator lamp 4 will be illuminated.
Entry/Exit can be requested up to 33 mph
(53 km/h). If vehicle speed is reduced to, and
kept below, 15 mph (24 km/h) indicator lamp 3
will flash and indicator lamp 4 will remain solid
until Entry/Exit is achieved at which point indi -
cator lamp 3 will turn off.
Automatic Aero Mode – Indicator lamps 5 and 4
will be illuminated.
Transport Mode – No indicator lamps will be illu -
minated. Transport Mode is disabled by driving
the vehicle or disabling through the Uconnect
settings.
Tire/Jack Mode – Indicator lamps 4 and 1 will
be illuminated. Tire/Jack Mode is disabled by
driving the vehicle or disabling through the
Uconnect settings.
Wheel Alignment Mode – Indicator lamps 2, 3,
and 4 will be illuminated. Wheel Alignment
Mode is disabled by driving the vehicle or
disabling through the Uconnect settings.
AXLE LOCK SYSTEM — IF EQUIPPED
This vehicle is equipped with an electronically
locking rear differential. When engaged, this
differential locks the axle shafts forcing the wheels
to spin at an equal rate. The locking of the rear
differential should only be engaged during
low-speed, extreme off-road situations where one
wheel is likely to not be in contact with the ground.
It is not recommended to drive the vehicle with the
differentials locked on pavement due to the
reduced ability to turn and speed limitations.

AXLE LOCK Button
The locking rear axle is controlled by the AXLE
LOCK button.
Under normal driving conditions, the rear axle
should be unlocked.
During the command to lock the rear axle, the
indicator light will flash until the axle is locked.
After the lock command has been successfully
executed, the light will remain on solid.
Operating in 4WD LOW the locker can be engaged
up to 40 mph (64 km/h) and will remain engaged
throughout the 4WD LOW speed range.
CAUTION!
Do not lock the rear axle on hard surfaced
roads. The ability to steer the vehicle is
reduced and damage to the drivetrain may
occur when the axle is locked on hard
surfaced roads.
Do not try to lock the rear axle if the vehicle is
stuck and the tires are spinning. You can
damage drivetrain components. Lock the rear
axle before attempting situations or navi
-
gating terrain, which could possibly cause the
vehicle to become stuck.

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184STARTING AND OPERATING
When the condition that deactivated the system is
no longer present, the system will return to the
“Adaptive Cruise Control Off” state and will resume
function by simply reactivating it.
NOTE:
If the “ACC/FCW Unavailable Wipe Front Radar
Sensor” message occurs frequently (e.g. more
than once on every trip) without any snow, rain,
mud, or other obstruction, have the radar
sensor realigned at an authorized dealer.
Installing a snow plow, front-end protector, an
aftermarket grille or modifying the grille is not
recommended. Doing so may block the sensor
and inhibit ACC/FCW operation.
“CLEAN FRONT WINDSHIELD” WARNING
The “ACC/FCW Limited Functionality Clean Front
Windshield” warning will display and a chime will
sound when conditions temporarily limit system
performance. This most often occurs at times of
poor visibility, such as in snow or heavy rain and
fog. The ACC system may also become temporarily
blinded due to obstructions, such as mud, dirt, or
ice on windshield, driving directly into the sun and
fog on the inside of glass. In these cases, the
instrument cluster display will show “ACC/FCW
Limited Functionality Clean Front Windshield” and
the system will have degraded performance. This message can sometimes be displayed while
driving in adverse weather conditions. The ACC/
FCW system will recover after the vehicle has left
these areas. Under rare conditions, when the
camera is not tracking any vehicles or objects in its
path this warning may temporarily occur.
If weather conditions are not a factor, the driver
should examine the windshield and the camera
located on the back side of the inside rear view
mirror. They may require cleaning or removal of an
obstruction.
When the condition that created limited
functionality is no longer present, the system will
return to full functionality.
NOTE:If the “ACC/FCW Limited Functionality Clean Front
Windshield” message occurs frequently (e.g. more
than once on every trip) without any snow, rain,
mud, or other obstruction, have the windshield and
forward facing camera inspected at an authorized
dealer.
SERVICE ACC/FCW WARNING
If the system turns off, and the instrument cluster
displays “ACC/FCW Unavailable Service Required”
or “Cruise/FCW Unavailable Service Required”,
there may be an internal system fault or a
temporary malfunction that limits ACC
functionality. Although the vehicle is still drivable under normal conditions, ACC will be temporarily
unavailable. If this occurs, try activating ACC again
later, following an ignition cycle. If the problem
persists, see an authorized dealer.
Precautions While Driving With ACC
NOTE:
Aftermarket add-ons such as snow plows, lift
kits, and brush/grille bars can hinder module
performance. Ensure the radar/camera has no
obstructions in the field of view.
Height modifications can limit module perfor
-
mance and functionality.
Do not put stickers or easy passes over the
camera/radar field of view.
Any modifications to the vehicle that may
obstruct the field of view of the radar/camera
are not recommended.
In certain driving situations, ACC may have
detection issues. In these cases, ACC may brake
late or unexpectedly. The driver needs to stay alert
and may need to intervene. The following are
examples of these types of situations:

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204STARTING AND OPERATING
Set Up
The Trailer Surround View Camera system includes
an installation kit with a Trailer Surround View
Module and four Trailer Surround View Cameras
that must be installed on your trailer prior to
connecting to your vehicle. See the installation
instructions included with the Trailer Surround
View installation kit for more information. Once the
Trailer Surround View Module and cameras are
installed and the trailer is connected to the vehicle
via the 12-way connector, the settings Trailer
Surround Camera settings can be accessed. The
Trailer Surround Camera settings can be accessed
through Uconnect Settings by pressing the Trailer
soft button in the Trailer Settings or the Camera
Settings. The system requires input of the trailer
dimensions prior to use of the system.
NOTE:
If a trailer is connected but the trailer dimen -
sions have not been entered in the Trailer
Surround settings page, the system will default
to the settings page.
If a trailer is not connected and any soft button
is selected, a message will appear: “Connect
Trailer Equipped With Trailer Surround View
System”. Inputting Trailer Values
For the Trailer Surround View Camera system to
function, all fields must be entered. When a value
is needed the screen will display “Required”.
When the Trailer Type soft button is selected two
options are available: Conventional or Gooseneck/
5th Wheel.
Activation
The Trailer Surround Camera can be activated
through the Uconnect system when the vehicle is
in PARK, NEUTRAL, OR DRIVE.
When the vehicle is shifted into REVERSE,
Surround View Camera showing the Top View and
Backup Camera is the default view of the system.
Press the More Cams soft button and click the
Trailer tab to access the Trailer Cameras. Press Trailer Surround Camera soft button to
access Top View and Rear View of the trailer.
If the camera delay is turned on, the camera image
will display for up to 10 seconds after shifting out
of REVERSE. The camera image will not display for
10 seconds if the vehicle speed exceeds 8 mph
(13 km/h), the vehicle is shifted into PARK, or the
ignition is placed in the OFF position. The X button
on the touchscreen disables the display of the
camera image.
If the camera delay is turned off, the camera image
will close and display the previous screen after
shifting out of REVERSE.
Modes Of Operation
The Trailer Surround View Camera system offers
two different camera displays:
Top View split screen with one selected
mounted camera
Full screen view of a selected mounted camera
Press the More Cams soft button on the Surround
View screen and select the Trailer tab to access the
Trailer Cameras. Press Trailer Surround Camera
soft button to access the default Top View and
Rear View of the trailer.
Setting
Description
Trailer Length Input the total length of
the trailer
Trailer Width Input the total width of
the trailer
Camera Height Input the height of the
mounted camera
Trailer Type Choose the trailer type
from menu

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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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STARTING AND OPERATING215
RECOMMENDED DISTRIBUTION HITCH
ADJUSTMENT
Towing With Air Suspension — If Equipped

1. Verify that the vehicle is at the normal ride
height.

NOTE:The vehicle must remain in the engine run position
with all doors closed while attaching a trailer for
proper leveling of the air suspension system.
2. Position the truck to be ready to connect to the trailer (do not connect the trailer).
3. Enable tire jack mode through the instrument cluster or touchscreen radio settings. Tire jack
mode will be canceled and the procedure must
be restarted if the vehicle is driven at speeds
above 5 mph (8 km/h).
4. Measure the height from the top of the front wheel opening on the fender to ground; this is
height H1.
Measuring Height (H)

5. Attach the trailer to the vehicle without the weight-distributing bars connected.
6. Measure the height from the top of the front wheel opening on the fender to the ground;
this is height H2.
7. Install and adjust the tension in the weight-distributing bars per the
manufacturer’s recommendations so that the
height of the front fender is approximately
(H2-H1)/3+H1 (about 1/3 the difference
between H2 and H1 above normal ride height
[H1]). 8. Use the instrument cluster or touchscreen
radio settings and switch off tire jack mode.
Make sure the truck returns to normal ride
height. Perform a visual inspection of the
trailer and weight-distributing hitch to confirm
the manufacturer’s recommendations have
been met.
9. The truck can now be driven.
NOTE:For all towing conditions, we recommend towing
with Tow/Haul mode engaged.
Measurement Example Example Height (mm)
H1
925
H2 946
H2-H1 21
(H2-H1)/3 7
(H2-H1)/3 + H1 932
4

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STARTING AND OPERATING225
TOWING TIPS
Before towing, practice turning, stopping, and
backing up the trailer in an area located away from
heavy traffic.
Automatic Transmission
The DRIVE range can be selected when towing. The
transmission controls include a drive strategy to
avoid frequent shifting when towing. However, if
frequent shifting does occur while in DRIVE, select
TOW/HAUL mode or select a lower gear range
(using the Electronic Range Select (ERS) shift
control).
NOTE:Using TOW/HAUL mode or selecting a lower gear
range (using the ERS shift control) while operating
the vehicle under heavy loading conditions will
improve performance and extend transmission life
by reducing excessive shifting and heat build up.
This action will also provide better engine braking.
Tow/Haul Mode
To reduce potential for automatic transmission
overheating, activate TOW/HAUL mode when
driving in hilly areas, or select a lower gear range
(using the (ERS) shift control) on more severe
grades.
Cruise Control — If Equipped
Do not use on hilly terrain or with heavy loads.
When using the Cruise Control, if you experience
speed drops greater than 10 mph (16 km/h),
disengage until you can get back to cruising
speed.
Use Cruise Control in flat terrain and with light
loads to maximize fuel efficiency.
Air Suspension System
To aid in attaching/detaching the trailer from the
vehicle, the air suspension system can be used
Úpage 165. Selecting Tow/Haul or connecting a
trailer with an Integrated Trailer Brake Module
(ITBM) will disable Automatic Aero mode to avoid
height changes while towing and shifting loads or
tongue weights.
NOTE:The vehicle must remain in the engine running
position while attaching a trailer for proper leveling
of the air suspension system.
SNOWPLOW
Snowplow Prep Packages are available as a factory
installed option. These packages include
components necessary to equip your vehicle with a
snowplow.
NOTE:Before installation of a snowplow it is highly recom -
mended that the owner/installer obtain and follow
the recommendations contained within the current
Body Builder’s Guide. See an authorized dealer,
installer or snowplow manufacturer for this infor -
mation. There are unique electrical systems that
must be connected to properly ensure operator
safety and prevent overloading vehicle systems.
WARNING!
Attaching a snowplow to this vehicle could
adversely affect performance of the airbag
system in a collision. Do not expect that the
airbag will perform as described earlier in this
manual.
CAUTION!
The “Lamp Out” indicator could illuminate if
exterior lamps are not properly installed.
4

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228STARTING AND OPERATING
(Continued)
RECREATIONAL TOWING — TWO-WHEEL
D
RIVE MODELS
DO NOT flat tow this vehicle. Damage to the
drivetrain will result.
Recreational towing (for two-wheel drive models) is
allowed ONLY if the rear wheels are OFF the
ground. This may be accomplished using a tow
dolly or vehicle trailer. If using a tow dolly, follow
this procedure:
NOTE:If vehicle is equipped with air suspension, ensure
the vehicle is set to Normal Ride Height.

1. Properly secure the dolly to the tow vehicle, following the dolly manufacturer's
instructions.

2. Drive the rear wheels onto the tow dolly.
3. Apply the parking brake. Place the transmission in PARK.
4. Properly secure the rear wheels to the dolly, following the dolly manufacturer's instructions.
5. Turn the ignition OFF.
6. Install a suitable clamping device, designed for towing, to secure the front wheels in the
straight position.
RECREATIONAL TOWING —
F
OUR-WHEEL DRIVE MODELS
NOTE:The transfer case must be shifted into N (Neutral)
for recreational towing. The transmission must be
shifted into PARK for recreational towing. Refer to
the following for the proper transfer case N
(Neutral) shifting procedure for your vehicle.
CAUTION!
Towing with the rear wheels on the ground will
cause severe transmission damage. Damage
from improper towing is not covered under the
New Vehicle Limited Warranty.
CAUTION!
DO NOT dolly tow any 4WD vehicle. Towing
with only one set of wheels on the ground
(front or rear) will cause severe transmission
and/or transfer case damage. Tow with all
four wheels either ON the ground, or OFF the
ground (using a vehicle trailer).
Tow only in the forward direction. Towing this
vehicle backwards can cause severe damage
to the transfer case.
Before recreational towing, the transfer case
must be in N (Neutral). To be certain the
transfer case is fully in N (Neutral), perform
the procedure outlined under “Shifting Into
N (Neutral)”. Internal transmission damage
will result, if the transfer case is not in N
(Neutral) during towing.
The transmission must be in PARK for recre -
ational towing.
Ensure that the Electric Park Brake is
released, and remains released, while being
towed.
Towing this vehicle in violation of the above
requirements can cause severe transmission
and/or transfer case damage. Damage from
improper towing is not covered under the New
Vehicle Limited Warranty.
Do not disconnect the rear driveshaft because
fluid will leak from the transfer case, causing
damage to internal parts.
Do not use a fascia/bumper-mounted
clamp-on tow bar on your vehicle. The fascia/
bumper face bar will be damaged.
CAUTION!

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