wheel JEEP WAGONEER 2023 Workshop Manual

STARTING AND OPERATING175
SURROUND VIEW CAMERA SYSTEM —
IF EQUIPPED
Your vehicle may be equipped with the Surround View
Camera system that allows you to see an on-screen image
of the surroundings and Top View of your vehicle whenever
the gear selector is put into REVERSE or a different view is
selected through the touchscreen buttons. The Top View
of the vehicle will show which doors are open. The image
will be displayed on the touchscreen display along with a
caution note “Check Entire Surroundings” across the top
of the screen. After five seconds, this note will disappear.
The Surround View Camera system is comprised of four
sequential cameras located in the front grille, rear liftgate
and side mirrors.
NOTE:The Surround View Camera system has programmable
settings that may be selected through the Uconnect
system
Úpage 197.
Press this button on the touchscreen to enter
the Surround View Camera menu in the
Uconnect system. When the vehicle is shifted into REVERSE, the
Rear View or Top View is the default view of the system.
When the vehicle is shifted out of REVERSE with camera
delay turned on, the camera image will continue to be
displayed for up to 10 seconds unless the vehicle speed
exceeds
8 mph (13 km/h, the vehicle is shifted into PARK
or the ignition is placed in the OFF position. There is a
touchscreen X button to disable the display of the camera
image.
When the vehicle is shifted out of REVERSE with camera
delay turned off, the Surround View Camera mode is
exited and the last known screen appears again.
When enabled, active guidelines are overlaid on the image
to illustrate the width of the vehicle, including the side
view mirrors and its projected back up path based on the
steering wheel position.
Different colored zones indicate the distance to the rear of
the vehicle.
The following table shows the approximate distances for
each zone:
Modes Of Operation
Manual activation of the Surround View Camera is
selected by pressing the Surround View Camera button
located in the Controls menu within the Uconnect system.
Top View
The Top View will show in the Uconnect system with Rear
View or Front View in a split screen display. There is
integrated ParkSense arcs in the image at the front, rear,
and if equipped, the sides of the vehicle. The arcs will
change color from yellow to red corresponding to the
distance zones to the oncoming object.

Surround View Camera View

NOTE:
 Front tires will be in image when the tires are turned.
 Due to wide angle cameras in the mirrors, the image
may appear distorted.
 Top View will show which doors are open.
 Open front doors and/or liftgate will cancel outside
image.
Top View Plus Rear View
This is the default view of the system in
REVERSE and is always paired with the Top
View of the vehicle with optional active
guidelines for the projected path when
enabled.
Rear Cross Path View
Pressing the Rear Cross Path button will give
the driver a wider angle view of the rear camera
system. The Top View will be disabled when this
is selected.
Zone Distance To The Rear Of The
Vehicle
Red 0 - 1 ft (0 - 30 cm)
Yellow 1 ft - 6.5 ft (30 cm - 2 m)
Green 6.5 ft or greater
(2 m or greater)
4

23_WS_OM_EN_USC_t.book Page 175

178STARTING AND OPERATING
VEHICLE LOADING
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.
PAYLOAD
The payload of a vehicle is defined as the allowable weight
a vehicle can carry, including the weight of the driver, all
passengers, options and cargo.
GROSS AXLE WEIGHT RATING (GAWR)
The GAWR is the maximum permissible load on the front
and rear axles. The load must be distributed in the cargo
area so that the GAWR of each axle is not exceeded.
Each axle GAWR is determined by the components in the
system with the lowest load carrying capacity (axle,
springs, tires or wheels). Heavier axles, or suspension
components sometimes specified by purchasers for
increased durability, do not necessarily increase the
vehicle's GVWR or GAWR.
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 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 ensure that the 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 axles.
Weighing the vehicle may show that the 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.
NOTE:

Improper weight distributions can have an adverse
effect on the way your vehicle steers and handles and
the way the brakes operate.
 Air suspension vehicle may limit off-road heights if
loaded beyond recommended values for vehicle GVWR
and GAWR.
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.
WARNING!
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.
Overloading can shorten the life of your vehicle.

23_WS_OM_EN_USC_t.book Page 178

STARTING AND OPERATING179
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
Úpage 178.
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 178.
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.
If equipped, the electronic TSC 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 used to tow small and medium sized trailers.
Weight-Distributing Hitch
A Weight-Distributing Hitch 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 Gross Axle
Weight Rating (GAWR) requirements.
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.
WARNING!
An improperly adjusted Weight-Distributing Hitch
system may reduce handling, stability, braking
performance, and could result in a collision.
 Weight-Distributing Hitch 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.
4

23_WS_OM_EN_USC_t.book Page 179

180STARTING AND OPERATING
RECOMMENDED DISTRIBUTION HITCH
ADJUSTMENT — QUADRA-LIFT AIR SUSPEN -
SION EQUIPPED VEHICLES

1. Verify that the vehicle is at the Normal Ride Height.

NOTE:The vehicle must remain in the RUN position with all doors
closed while attaching a trailer for proper leveling of the air
suspension system.
2. Position the vehicle on a level surface in preparation to connect to the trailer (do not connect the trailer).
3. For vehicles equipped with Quadra-Lift air suspension, use the touchscreen radio settings to
enable Tire/Jack mode. 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).
When towing, the automatic Entry/Exit feature may
be disabled through the Uconnect Touchscreen Radio
to prevent vehicle and trailer movement when gear
selector is moved to PARK.
4. Measure the height from the top of the front wheel opening on the fender to the ground; this is height H1.

Measuring Height (H)

5. Attach the loaded trailer to the vehicle without the weight distribution 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 manufacturers’
recommendations so that the height of the front
fender is approximately (H2-H1)/2+H1
(about 1/2 the difference between H2 and H1 above
Normal Ride Height [H1]). 8. Use the touchscreen radio settings and switch off
Tire/Jack mode. Make sure the vehicle returns to
Normal Ride Height. Perform a visual inspection of
the trailer and weight-distributing hitch to confirm the
manufacturers’ recommendations have been met.
9. The vehicle can now be driven.
NOTE:For all towing conditions, we recommend towing with
TOW/HAUL mode engaged (if equipped).
Measurement Example Example Height (mm)
H1
925
H2 946
H2-H1 21
(H2-H1)/2 10.5
(H2-H1)/2 + H1 935.5

23_WS_OM_EN_USC_t.book Page 180

STARTING AND OPERATING181
RECOMMENDED DISTRIBUTION HITCH
ADJUSTMENT — NON-AIR SUSPENSION
EQUIPPED VEHICLES

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

2. Position the vehicle on a level surface in preparation
to connect to the trailer (do not connect the trailer).
3. Measure the height from the top of the front wheel opening on the fender to the ground; this is height H1.

Measuring Height (H)

4. Attach the loaded trailer to the vehicle without the weight distribution bars connected.
5. Ensure the trailer is properly secured to the hitch, including the safety chains, lighting, and trailer brake
controls.
6. Cautiously drive the vehicle and trailer at 20-25 mph (30-40 km/h) for approximately 3 miles (5 km) to
re-level the suspension.
7. Park the vehicle and trailer on a level surface.
8. Measure the height from the top of the front wheel opening on the fender to the ground; this is height H2.
9. Install and adjust the tension in the weight-distributing bars per the manufacturers’
recommendations so that the height of the front
fender is approximately (H2-H1)/2+H1
(about 1/2 the difference between H2 and H1 above
normal ride height [H1]). 10. Perform a visual inspection of the trailer and
weight-distributing hitch to confirm the manufac -
turers’ recommendations have been met.
11. The vehicle can now be driven.
NOTE:For all towing conditions, we recommend towing with
TOW/HAUL mode engaged (if equipped).
Measurement Example Example Height (mm)
H1
925
H2 946
H2-H1 21
(H2-H1)/2 10.5
(H2-H1)/2 + H1 935.5
4

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182STARTING AND OPERATING
TRAILER HITCH CLASSIFICATION
The following chart provides the industry standard for the maximum trailer weight a given trailer hitch class can tow and should be used to assist you in selecting the correct trailer hitch
for your intended towing condition.
TRAILER TOWING WEIGHTS (MAXIMUM TRAILER WEIGHT RATINGS)
Trailer Hitch Classification Definitions
Class Max. Trailer Hitch Industry Standards
Class I - Light Duty 2,000 lb (907 kg)
Class II - Medium Duty 3,500 lb (1,587 kg)
Class III - Heavy Duty 6,000 lb (2,722 kg)
Class IV - Extra Heavy Duty 10,000 lb (4,535 kg)
Refer to the “Trailer Towing Weights (Maximum Trailer Weight Ratings)” chart for the Maximum Gross Trailer Weight (GTW) towable for your given drivetrain.
All trailer hitches should be professionally installed on your vehicle.
Model Engine Wheel Base (in) Axle Ratio GCWR Frontal Area Max GTW Max TW
Wagoneer 4x2 3.0L SO 1303.5512,300 lb
(5,579 kg) 40 sq ft (3.72 sq m) 5,990 lb
(2,717 kg) 599 lb (272 kg)
Wagoneer 4x4 3.0L SO 1303.5512,300 lb
(5,579 kg) 40 sq ft (3.72 sq m) 5,750 lb
(2,608 kg) 575 lb (261 kg)
Wagoneer 4x2 3.0L SO 1303.9216,500 lb
(7,484 kg) 60 sq ft (5.57 sq m) 10,000 lb
(4,536 kg) 1,000 lb (454 kg)
Wagoneer 4x4 (Max Tow) 3.0L SO
1303.9216,500 lb
(7,484 kg) 55 sq ft (5.11 sq m) 10,000 lb
(4,536 kg) 1,000 lb (454 kg)

23_WS_OM_EN_USC_t.book Page 182

STARTING AND OPERATING183
Grand Wagoneer
4x4 3.0L HO
1303.9212,300 lb
(5,579 kg) 40 sq ft (3.72 sq m) 5,400 lb (2,449 kg) 540 lb (245 kg)
Grand Wagoneer 4x4 (Max Tow) 3.0L HO
1303.9216,500 lb
(7,484 kg) 55 sq ft (5.11 sq m) 9,650 lb (4,377 kg) 965 lb (437 kg)
4x2 Series 3 5.7L1233.2113,700 lb
(6,214 kg) 40 sq ft (3.72 sq m) 7,400 lb (3,356 kg) 740 lb (335 kg)
4x2 Series 3 5.7L1233.9215,000 lb
(6,803 kg) 60 sq ft (5.57 sq m) 10,000 lb
(4,536 kg) 1,000 lb (454 kg)
4x2 Series 2 5.7L1233.2115,000 lb
(6,803 kg) 55 sq ft (5.11 sq m) 8,790 lb (3,987 kg) 879 lb (398 kg)
4x2 Series 2 5.7L1233.9216,600 lb
(7,529 kg) 60 sq ft (5.57 sq m) 10,000 lb
(4,536 kg) 1,000 lb (454 kg)
4x4 Series 1 5.7L1233.2113,700 lb
(6,214 kg) 40 sq ft (3.72 sq m) 7,180 lb (3,256 kg) 718 lb (325 kg)
4x4 Series 1 5.7L1233.9215,000 lb
(6,803 kg) 55 sq ft (5.11 sq m) 8,480 lb (3,846 kg) 848 lb (386 kg)
4x4 Series 2 5.7L1233.2113,700 lb
(6,214 kg) 40 sq ft (3.72 sq m) 7,170 lb (3,252 kg) 717 lb (325 kg)
4x4 Series 2 5.7L1233.9216,600 lb
(7,529 kg) 60 sq ft (5.57 sq m) 10,000 lb
(4,536 kg) 1,000 lb (454 kg)
4x4 Series 3 5.7L1233.2113,700 lb
(6,214 kg) 40 sq ft (3.72 sq m) 7,170 lb (3,252 kg) 717 lb (325 kg)
4x4 Series 3 5.7L1233.9215,000 lb
(6,803 kg) 55 sq ft (5.11 sq m) 8,470 lb (3,841 kg) 847 lb (384 kg)
Wagoneer 4x2 3.0L SO 1233.5512,300 lb
(5,579 kg) 40 sq ft (3.72 sq m) 6,130 lb (2,781 kg) 613 lb (278 kg)
Model
Engine Wheel Base (in) Axle Ratio GCWR Frontal Area Max GTW Max TW
4

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184STARTING AND OPERATING
TRAILER HITCH RECEIVER COVER
R
EMOVAL — IF EQUIPPED
Your vehicle may be equipped with a trailer hitch receiver
cover, this must be removed to access the trailer hitch
receiver. This cover is located at the bottom center of the
rear fascia/bumper.

1. Turn the three locking retainers located at the
bottom of the hitch receiver cover a quarter turn
counterclockwise and pull bottom of the hitch
receiver cover outward (towards you).

2. Pull the bottom of the cover outward (towards you) then downwards to disengage the tabs located at the
top of the hitch receiver cover to remove.

Hitch Receiver Cover

To reinstall the cover after towing repeat the procedure in
reverse order.
NOTE:Be sure to engage all tabs and fully seat the hitch receiver
cover in the fascia/bumper prior to installation of the
quarter turn fasteners.
Wagoneer 4x4 3.0L SO
1233.5512,300 lb
(5,579 kg) 40 sq ft (3.72 sq m) 5,980 lb (2,713 kg) 598 lb (271 kg)
Wagoneer 4x2 & 4x4 (Max Tow) 3.0L SO
1233.9216,500 lb
(7,484 kg) 60 sq ft (5.57 sq m) 10,000 lb
(4,536 kg) 1,000 lb (454 kg)
Grand Wagoneer 4x4 6.4L
1233.9215,000 lb
(6,803 kg) 55 sq ft (5.11 sq m) 8,370 lb (3,797 kg) 837 lb (380 kg)
Grand Wagoneer 4x4 (Max Tow) 6.4L
1233.9216,600 lb
(7,529 kg) 55 sq ft (5.11 sq m) 9,930 lb (4,504 kg) 993 lb (450 kg)
Grand Wagoneer 4x4 3.0L HO
1233.9212,300 lb
(5,579 kg) 40 sq ft (3.72 sq m) 5,620 lb (2,563 kg) 562 lb (255 kg)
Grand Wagoneer 4x4 (Max Tow) 3.0L HO
1233.9216,500 lb
(7,484 kg) 55 sq ft (5.11 sq m) 9,880 lb (4,482 kg) 988 lb (448 kg)
Model
Engine Wheel Base (in) Axle Ratio GCWR Frontal Area Max GTW Max TW
1 — Hitch Receiver Cover
2 — Locking Retainers

23_WS_OM_EN_USC_t.book Page 184

STARTING AND OPERATING185
(Continued)
TRAILER AND TONGUE WEIGHT
Never exceed the maximum tongue weight stamped on
your bumper or trailer hitch.

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 equipment 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 Information Placard for the
maximum combined weight of occupants and cargo for
your vehicle.
TOWING REQUIREMENTS
To promote proper break-in of the new vehicle drivetrain
components, the following guidelines are recommended. Perform the maintenance listed in the Scheduled
Servicing
Úpage 309. When towing a trailer, never
exceed the GAWR or GCWR ratings.
WARNING!
Always load a trailer with 60% of the weight in the front
of the trailer. This places 10% of the GTW on the tow
hitch of your vehicle. Loads balanced over the wheels or
heavier in the rear can cause the trailer to sway
severely side to side which will cause loss of control of
the vehicle and trailer. Failure to load trailers heavier in
front is the cause of many trailer collisions.CAUTION!
 Do not tow a trailer at all during the first 500 miles
(805 km) the new vehicle is driven. The engine, axle
or other parts could be damaged.
 Then, during the first 500 miles (805 km) that a
trailer is towed, do not drive over 50 mph (80 km/h)
and do not make starts at full throttle. This helps the
engine and other parts of the vehicle wear in at the
heavier loads.
WARNING!
Make certain that the load is secured in the trailer
and will not shift during travel. When trailering cargo
that is not fully secured, dynamic load shifts can
occur that may be difficult for the driver to control.
You could lose control of your vehicle and have a
collision.
 When hauling cargo or towing a trailer, do not over -
load your vehicle or trailer. Overloading can cause a
loss of control, poor performance or damage to
brakes, axle, engine, transmission, steering, suspen -
sion, chassis structure or tires.
 Safety chains must always be used between your
vehicle and trailer. Always connect the chains to the
hook retainers of the vehicle hitch. Cross the chains
under the trailer tongue and allow enough slack for
turning corners.
 Vehicles with trailers should not be parked on a
grade. When parking, apply the parking brake on the
tow vehicle. Put the tow vehicle transmission in PARK
(P). For four-wheel drive vehicles, make sure the
transfer case is not in NEUTRAL (N). Always, block or
"chock" the trailer wheels.
 GCWR must not be exceeded.
4

23_WS_OM_EN_USC_t.book Page 185

STARTING AND OPERATING187

Integrated Trailer Brake Module (ITBM)

The user interface consists of the following:
Manual Brake Control Lever
Slide the manual brake control lever to the left to activate
power to the trailer's electric brakes independent of the
tow vehicle's brakes. If the manual brake control lever is
activated while the brake is also applied, the greater of the
two inputs determines the power sent to the trailer brakes.
The trailer and the vehicle's brake lamps will come on
when either vehicle braking or manual trailer brakes are
applied. Trailer Brake Status Indicator Light
This light indicates the trailer electrical connection status.
If no electrical connection is detected after the ignition is
turned on, pushing the GAIN adjustment button or sliding
the manual brake control lever will display the GAIN
setting for 10 seconds and the Trailer Brake Status
Indicator Light will not be displayed.
If a fault is detected in the trailer wiring or the ITBM, the
Trailer Brake Status Indicator Light will flash.
GAIN Adjustment Buttons (+/-)
Pushing these buttons will adjust the brake control power
output to the trailer brakes in 0.5 increments. The GAIN
setting can be increased to a maximum of 10 or
decreased to a minimum of 0 (no trailer braking).
GAIN
The GAIN setting is used to set the trailer brake control for
the specific towing condition and should be changed as
towing conditions change. Changes to towing conditions
include trailer load, vehicle load, road conditions and
weather.
Adjusting GAIN
NOTE:This should only be performed in a traffic free environment
at speeds of approximately 20–25 mph (30–40 km/h).

1. Make sure the trailer brakes are in good working condition, functioning normally and properly
adjusted. See a trailer dealer if necessary.

2. Hook up the trailer and make the electrical connections according to the trailer manufacturer's
instructions. 3. When a trailer with electric/EOH brakes is plugged in,
the trailer connected message should appear in the
instrument cluster display (if the connection is not
recognized by the ITBM, braking functions will not be
available), the GAIN setting will illuminate and the
correct type of trailer must be selected from the
instrument cluster display options.
4. Push the UP or DOWN button on the steering wheel until “TRAILER TOW” appears on the screen.
5. Push the RIGHT arrow on the steering wheel to enter “TRAILER TOW”.
6. Push the UP or DOWN buttons until the “Trailer Brake Type” appears on the screen.
7. Push the RIGHT arrow and then push the UP or DOWN buttons until the proper Trailer Brake Type appears
on the screen.
8. In a traffic-free environment, tow the trailer on a dry, level surface at a speed of 20–25 mph
(30–40 km/h) and squeeze the manual brake
control lever completely.
9. If the trailer wheels lockup (indicated by squealing tires), reduce the GAIN setting; if the trailer wheels
turn freely, increase the GAIN setting.
Repeat steps 8 and 9 until the GAIN setting is at a point
just below trailer wheel lockup. If towing a heavier trailer,
trailer wheel lockup may not be attainable even with the
maximum GAIN setting of 10.
1 — GAIN Adjustment Button
2 — GAIN Adjustment Button
3 — Manual Brake Control Lever
4

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