2023 JEEP WAGONEER brakes

119
STARTING AND OPERATING
STARTING THE ENGINE

Before starting your vehicle, adjust your seat, adjust the inside
and outside mirrors, fasten your seat belt, and if present,
instruct all other occupants to buckle their seat belts.

AUTOMATIC TRANSMISSION
The gear selector must be in the NEUTRAL (N) or PARK (P)
position before you can start the engine. Apply the brakes
before shifting into any driving gear.
KEYLESS ENTER ‘N GO™ — IGNITION
This feature allows the driver to operate the ignition
switch with the push of a button, as long as the Remote
Start/Keyless Enter ‘n Go™ key fob is in the passenger
compartment.
NORMAL STARTING
To Turn On The Engine Using The ENGINE START/STOP
Button

1. The transmission must be in PARK (P).

2. Press and hold the brake pedal while pushing the ENGINE START/STOP button once.
3. The system takes over and attempts to start the vehicle. If the vehicle fails to start, the starter will
disengage automatically after 10 seconds.
4. If you wish to stop the cranking of the engine prior to the engine starting, push the ENGINE START/STOP
button again.
To Turn Off The Engine Using The ENGINE START/STOP
Button

1. Place the gear selector in PARK, then push and release the ENGINE START/STOP button.

2. The ignition will return to the OFF position.
3. If the gear selector is not in PARK, the ENGINE START/STOP button must be held for two seconds or
three short pushes in a row with the vehicle speed
above 5 mph (8 km/h) before the engine will shut off.
The ignition will remain in the ON/RUN position until
the gear selector is in PARK and the button is pushed
twice to the OFF position.
WARNING!

Before exiting a vehicle, always come to a complete
stop, then shift the automatic transmission into PARK
and apply the parking brake.
 Always make sure the keyless ignition node is in the
OFF position, key fob is removed from the vehicle and
vehicle is locked.
 Never leave children alone in a vehicle, or with access
to an unlocked vehicle. Leaving children in a vehicle
unattended is dangerous for a number of reasons. A
child or others could be seriously or fatally injured.
Children should be warned not to touch the parking
brake, brake pedal or the gear selector.
 Do not leave the key fob in or near the vehicle, or in a
location accessible to children, and do not leave the
ignition of a vehicle equipped with Keyless
Enter ‘n Go™ in the ON/RUN position. A child could
operate power windows, other controls, or move the
vehicle.
 Do not leave children or animals inside parked vehi -
cles in hot weather. Interior heat build-up may cause
serious injury or death.

CAUTION!
Damage to the transmission may occur if the following
precautions are not observed:
 Do not shift from REVERSE (R), PARK, or NEUTRAL
into any forward gear when the engine is above idle
speed.
 Shift into PARK only after the vehicle has come to a
complete stop.
 Shift into or out of REVERSE only after the vehicle has
come to a complete stop and the engine is at idle
speed.
 Before shifting into any gear, make sure your foot is
firmly on the brake pedal.4

23_WS_OM_EN_USC_t.book Page 119

STARTING AND OPERATING125
(Continued)
The following conditions must be met for Auto Hold to
activate:

Driver’s door is closed
 Driver's seat belt is fastened
 Vehicle is at a standstill
 Forward gear is selected
 ACC is not engaged
 EPB is not applied
 ParkSense Active Park Assist System auto parking
maneuver is not activated
Brake Maintenance Mode
We recommend having your brakes serviced by an
authorized dealer. You should only make repairs for which
you have the knowledge and the right equipment. You
should only enter Brake Maintenance mode during brake
service.
When servicing your rear brakes, it may be necessary for
you or your technician to push the rear piston into the rear
caliper bore. With the EPB system, this can only be done
after retracting the EPB actuator. Fortunately, actuator
retraction can be done easily by entering the Brake
Maintenance mode through the Uconnect Settings in your
vehicle. This menu-based system will guide you through
the steps necessary to retract the EPB actuator in order to
perform rear brake service. Maintenance mode has requirements that must be met in
order to be activated:

The vehicle must be at a standstill.
 The parking brake must be unapplied.
 The transmission must be in PARK or NEUTRAL.
While in Maintenance mode, the EPB Warning Light will
flash continuously while the ignition is ON.
When brake service work is complete, the following steps
must be followed to reset the parking brake system to
normal operation:
 Ensure the vehicle is at a standstill.
 Press the brake pedal with moderate force.
 Apply the EPB switch.
AUTOMATIC TRANSMISSION
You must press and hold the brake pedal while shifting out
of PARK.
WARNING!
You can be badly injured working on or around a motor
vehicle. Do only that service work for which you have
the knowledge and the right equipment. If you have any
doubt about your ability to perform a service job, take
your vehicle to a competent mechanic.
WARNING!
Never use the PARK (P) position as a substitute for
the parking brake. Always apply the parking brake
fully when exiting the vehicle to guard against vehicle
movement and possible injury or damage.
 Your vehicle could move and injure you and others if
it is not in PARK. Check by trying to move the trans -
mission gear selector out of PARK with the brake
pedal released. Make sure the transmission is in
PARK before exiting the vehicle.
 The transmission may not engage PARK if the vehicle
is moving. Always bring the vehicle to a complete
stop before shifting to PARK, and verify that the
transmission gear position indicator solidly indicates
PARK without blinking. Ensure that the vehicle is
completely stopped, and the PARK position is prop -
erly indicated, before exiting the vehicle.
 It is dangerous to shift out of PARK or NEUTRAL (N) if
the engine speed is higher than idle speed. If your
foot is not firmly pressing the brake pedal, the
vehicle could accelerate quickly forward or in
reverse. You could lose control of the vehicle and hit
someone or something. Only shift into gear when the
engine is idling normally and your foot is firmly
pressing the brake pedal.
4

23_WS_OM_EN_USC_t.book Page 125

126STARTING AND OPERATING
IGNITION PARK INTERLOCK
This vehicle is equipped with an Ignition Park Interlock
which requires the transmission to be in PARK (P) before
the ignition can be turned to the OFF position. This helps
the driver avoid inadvertently leaving the vehicle without
placing the transmission in PARK. This system also locks
the transmission in PARK whenever the ignition is in the
OFF position.
NOTE:The transmission is NOT locked in PARK when the ignition
is in the ON/RUN position (even though the engine will be
off). Ensure that the transmission is in PARK, and the
ignition is OFF (not in ON/RUN position) before exiting the
vehicle.
BRAKE/TRANSMISSION SHIFT
I
NTERLOCK (BTSI) SYSTEM
This vehicle is equipped with a BTSI system that holds the
transmission gear selector in PARK unless the brakes are
applied. To shift the transmission out of PARK, the engine
must be running and the brake pedal must be pressed.
The brake pedal must also be pressed to shift from
NEUTRAL into DRIVE or REVERSE when the vehicle is
stopped or moving at low speeds.
8-SPEED AUTOMATIC TRANSMISSION
The transmission is controlled using a rotary electronic
gear selector located on the center console. The
transmission gear range (PRND) is displayed both above
the gear selector and in the instrument cluster. To select
a gear range, simply rotate the gear selector. You must
press the brake pedal to shift the transmission out of
PARK (or NEUTRAL, when the vehicle is stopped or moving
at low speeds). To shift past multiple gear ranges at once
(such as PARK to DRIVE), simply rotate the gear selector
to the appropriate detent. Select the DRIVE range for
normal driving.
NOTE:In the event of a mismatch between the gear selector
position and the actual transmission gear (for example,
driver selects PARK while driving), the position indicator
will blink continuously until the selector is returned to the
proper position, or the requested shift can be completed.

Unintended movement of a vehicle could injure
those in or near the vehicle. As with all vehicles, you
should never exit a vehicle while the engine is
running. Before exiting a vehicle, always come to a
complete stop, then apply the parking brake, shift
the transmission into PARK, and turn the ignition
OFF. When the ignition is in the OFF position, the
transmission is locked in PARK, securing the vehicle
against unwanted movement.
 When exiting the vehicle, always make sure the igni -
tion is in the OFF position, remove the key fob from
the vehicle, and lock the vehicle.
 Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Allowing children to
be in a vehicle unattended is dangerous for a
number of reasons. A child or others could be seri -
ously or fatally injured. Children should be warned
not to touch the parking brake, brake pedal or the
transmission gear selector.
 Do not leave the key fob in or near the vehicle (or in
a location accessible to children), and do not leave
the ignition in the ON/RUN position. A child could
operate power windows, other controls, or move the
vehicle.
WARNING!CAUTION!
Damage to the transmission may occur if the following
precautions are not observed:
Shift into or out of PARK or REVERSE (R) only after
the vehicle has come to a complete stop.
 Do not shift between PARK, REVERSE, NEUTRAL, or
DRIVE (D) when the engine is above idle speed.
 Before shifting into any gear, make sure your foot is
firmly pressing the brake pedal.

23_WS_OM_EN_USC_t.book Page 126

STARTING AND OPERATING141
Activating Adaptive Cruise Control (ACC)
The minimum set speed for the ACC system is 20 mph
(32 km/h).
When the system is turned on and in the ready state, the
instrument cluster display will read “ACC Ready.”
When the system is off, the instrument cluster display will
read “Adaptive Cruise Control (ACC) Off.”
NOTE:You cannot engage ACC under the following conditions:
When in 4WD Low
 When the brakes are applied
 When the parking brake is applied
 When the automatic transmission is in PARK, REVERSE
or NEUTRAL
 When the brakes are overheated
 When the driver’s door is open at low speeds
 When the driver’s seat belt is unbuckled at low speeds
 When there is a stationary vehicle in front of your
vehicle in close proximity
 When ESC Full Off mode is active
To Activate/Deactivate
Push and release the Adaptive Cruise Control (ACC) on/off
button. The ACC menu in the instrument cluster displays
“ACC Ready.”
To turn the system off, push and release the Adaptive
Cruise Control (ACC) on/off button again. At this time, the
system will turn off and the instrument cluster displays
“Adaptive Cruise Control (ACC) Off.”
To Set A Desired 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.
NOTE:Fixed Speed Cruise Control (if equipped) can be used
without ACC enabled. To change between the different
modes, push the ACC on/off button which turns the ACC
and the Fixed Speed Cruise Control off. Pushing the Fixed
Speed Cruise Control on/off button will result in turning on
(changing to) Fixed Speed Cruise Control mode. If ACC is set when the vehicle speed is
below 20 mph
(32 km/h), the set speed will default to 20 mph
(32 km/h).
NOTE:Fixed Speed Cruise Control cannot be set below 20 mph
(32 km/h).
If either 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:
 Keeping your foot on the accelerator pedal can cause
the vehicle to continue to accelerate beyond the set
speed. If this occurs, the message “DRIVER OVERRIDE”
will display in the instrument cluster display.
 If you continue to accelerate beyond the set speed
while ACC is enabled, 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 ACC or Fixed Speed
Cruise Control systems:
The brake pedal is applied
 The CANC (cancel) button is pushed
 The Anti-Lock Brake System (ABS) activates
 The gear selector is removed from the DRIVE position
WARNING!
Leaving the Adaptive Cruise Control (ACC) system on
when not in use is dangerous. You could accidentally
set the system or cause it to go faster than you want.
You could lose control and have a collision. Always leave
the system off when you are not using it.
WARNING!
In Fixed Speed Cruise Control mode, the system will not
react to vehicles ahead. In addition, the proximity
warning does not activate and no alarm will sound even
if you are too close to the vehicle ahead since neither
the presence of the vehicle ahead nor the
vehicle-to-vehicle distance is detected. Be sure to
maintain a safe distance between your vehicle and the
vehicle ahead. Always be aware which mode is
selected.
4

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STARTING AND OPERATING143
Setting The Following Distance In ACC
The specified following distance for ACC can be set by
varying the distance setting between four bars (longest),
three bars (long), two bars (medium) and one bar (short).
Using this distance setting and the vehicle speed, ACC
calculates and sets the distance to the vehicle ahead. This
distance setting appears in the instrument cluster display.

Distance Settings

To increase the distance setting, push the Distance
Increase button and release. Each time the button is
pushed, the distance setting increases by one bar (longer). To decrease the distance setting, push the Distance
Decrease button and release. Each time the button is
pushed, the distance setting decreases by one bar
(shorter).
If there is no vehicle ahead, the vehicle will maintain the
set speed. If a slower moving vehicle is detected in the
same lane, the instrument cluster display will show the
ACC Set With Target Detected Indicator Light, and the
system will adjust the vehicle speed automatically to
maintain the distance setting, regardless of the set speed.
The vehicle will then maintain the set distance until:

The vehicle ahead accelerates to a speed above the
set speed.
 The vehicle ahead moves out of your lane or view of the
sensor.
 The distance setting is changed.
 The system disengages
Úpage 141.
The maximum braking applied by ACC is limited; however,
the driver can always apply the brakes manually, if
necessary.
NOTE:The brake lights will illuminate whenever the ACC system
applies the brakes. A Proximity Warning will alert the driver if ACC predicts that
its maximum braking level is not sufficient to maintain the
set distance. If this occurs, a visual alert “BRAKE!” will
flash in the instrument cluster display and a chime will
sound while ACC continues to apply its maximum braking
capacity.
NOTE:The “BRAKE!” screen in the instrument cluster display is a
warning for the driver to take action and does not neces
-
sarily mean that the Forward Collision Warning system is
applying the brakes autonomously.
Overtake Aid
When driving with Adaptive Cruise Control (ACC) engaged
and following a vehicle, the system will provide an
additional acceleration up to the ACC set speed to assist
in passing the vehicle. This additional acceleration is
triggered when the driver utilizes the left turn signal and
will only be active when passing on the left side.
ACC Operation At Stop
If the ACC system brings your vehicle to a standstill while
following a vehicle ahead, your vehicle will resume motion,
without any driver interaction, if the vehicle ahead starts
moving within two seconds of your vehicle coming to a
standstill.
If the vehicle in front does not start moving within two
seconds of your vehicle coming to a standstill, the driver
will either have to push the RES (resume) button, or apply
the accelerator pedal to reengage the ACC to the existing
set speed.
1 — Longest Distance Setting (Four Bars)
2 — Medium Distance Setting (Two Bars)
3 — Long Distance Setting (Three Bars)
4 — Short Distance Setting (One Bar)
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STARTING AND OPERATING145
If weather conditions are not a factor, the driver should
examine the windshield and the camera located on the
back side of the inside rearview 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 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 WARNING
If the system turns off, and the instrument cluster display
reads “ACC Unavailable Service Required” or “Cruise
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
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:
TOWING A TRAILER
ACC while towing a trailer is recommended only with an
Integrated Trailer Brake Controller. Aftermarket trailer
brake controllers will not activate the trailer brakes when
ACC is braking.
OFFSET DRIVING
ACC may not detect a vehicle in the same lane that is
offset from your direct line of travel, or a vehicle merging
in from a side lane. There may not be sufficient distance
to the vehicle ahead. The offset vehicle may move in and
out of the line of travel, which can cause your vehicle to
brake or accelerate unexpectedly.

Offset Driving Condition Example

TURNS AND BENDS
When driving on a curve with ACC engaged, the system
may increase or decrease the vehicle speed for stability,
with no vehicle ahead detected. Once the vehicle is out of
the curve, the system will resume your original set speed.
This is a part of normal ACC system functionality.
NOTE:On tight turns ACC performance may be limited.
USING ACC ON HILLS
ACC performance may be limited when driving on hills.
ACC may not detect a vehicle in your lane depending on
the speed, vehicle load, traffic conditions, and the
steepness of the hill.

ACC Hill Example

4

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146STARTING AND OPERATING
LANE CHANGING
ACC may not detect a vehicle until it is completely in the
lane in which you are traveling. In the following lane
changing example, ACC has not yet detected the vehicle
changing lanes and it may not detect the vehicle until it's
too late for the ACC system to take action. ACC may not
detect a vehicle until it is completely in the lane. There
may not be sufficient distance to the lane-changing
vehicle. Always be attentive and ready to apply the brakes
if necessary.

Lane Changing Example

NARROW VEHICLES
Some narrow vehicles traveling near the outer edges of
the lane or edging into the lane are not detected until they
have moved fully into the lane. There may not be sufficient
distance to the vehicle ahead.

Narrow Vehicle Example

STATIONARY OBJECTS AND VEHICLES
ACC does not react to stationary objects or vehicles. For
example, ACC will not react in situations where the vehicle
you are following exits your lane and the vehicle ahead is
stopped in your lane. It will consider this stopped vehicle a
stationary object as it did not previously detect movement
from it. Always be attentive and ready to apply the brakes
if necessary.

Stationary Object And Stationary Vehicle Example

TRAFFIC SIGN ASSIST SYSTEM —
IF EQUIPPED
The Traffic Sign Assist (TSA) system uses a camera
mounted on the windshield, as well as map data when the
vehicle is equipped with Navigation, to detect
recognizable road signs such as:
Speed limits
 School zones
 No passing zones

23_WS_OM_EN_USC_t.book Page 146

154STARTING AND OPERATING
PARKSENSE FRONT/REAR PARK ASSIST
SYSTEM
The ParkSense Park Assist system provides visual and
audible indications of the distance between the rear and
the front fascia/bumper and a detected obstacle when
backing up or moving forward (e.g. during a parking
maneuver). The vehicle brakes may be automatically
applied and released when performing a reverse parking
maneuver if the system detects a possible collision with
an obstacle.
NOTE:
The driver can disable the automatic braking function
by turning ParkSense off via the ParkSense switch. The
driver can also override automatic braking by changing
the gear or by pressing the gas pedal over 90% of its
capacity during the braking event.
 Automatic brakes are not available if the vehicle is in
4WD Low.
 Automatic brakes will not be available if there is a
faulted condition detected with the ParkSense Park
Assist system or the Braking System Module.
 The automatic braking function may only be applied if
the vehicle deceleration is not enough to avoid colliding
with a detected obstacle.
 The automatic braking function may not be applied fast
enough for obstacles that move toward the rear of the
vehicle from the left and/or right sides.
 The automatic braking function can be enabled/
disabled from the Customer Programmable Features
section of the Uconnect system. 
ParkSense will retain its last known configuration state
for the automatic braking function through ignition
cycles.
The automatic braking function is intended to assist the
driver in avoiding possible collisions with detected
obstacles when backing up in REVERSE gear.
NOTE:
 The system is designed to assist the driver and not to
substitute the driver.
 The driver must stay in full control of the vehicle's
acceleration and braking and is responsible for the
vehicle's movements.
For limitations of this system and recommendations, see
Úpage 159.
ParkSense will retain the last system state (enabled or
disabled) from the last ignition cycle when the ignition is
changed to the ON/RUN position.
ParkSense can be active only when the gear selector is in
REVERSE or DRIVE. If ParkSense is enabled at one of
these gear selector positions, the system will remain
active until the vehicle speed is increased to
approximately 7 mph (11 km/h) or above. The system will
become active again if the vehicle speed is decreased to
speeds less than approximately 6 mph (9 km/h). A display
warning will appear in the instrument cluster display if the
vehicle is in REVERSE and the speed exceeds 7 mph
(11 km/h).
PARKSENSE SENSORS
The four ParkSense sensors located in the rear fascia/
bumper, and the six ParkSense sensors located in the
front fascia/bumper, monitor the area in front and behind
the vehicle that is within the sensors’ field of view. The
front sensors detect obstacles from approximately
12 inches (30 cm) up to 47 inches (120 cm) from the front fascia/bumper. The rear sensors can detect obstacles
from approximately 12 inches (30 cm) up to 79 inches
(200 cm) from the rear fascia/bumper. These distances
depend on the location, type and orientation of the
obstacle in the horizontal direction.
NOTE:If the vehicle is equipped with ParkSense Active Park
Assist, there will be six ParkSense sensors located in the
rear fascia/bumper.
PARKSENSE DISPLAY
The warning display will turn on indicating the system
status when the vehicle is in REVERSE or when the vehicle
is in DRIVE and an obstacle has been detected.
The system will indicate a detected obstacle by showing a
single arc in the left and/or right front or rear regions
based on the object’s distance and location relative to the
vehicle.
If an object is detected in the left and/or right rear region,
the display will show a single arc in the left and/or right
rear region and the system will produce a tone. As the
vehicle moves closer to the object, the display will show
the single arc moving closer to the vehicle and the tone will
change from a single 1/2 second tone to slow, to fast, to
continuous.

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