2023 JEEP COMPASS brake sensor

4
WARNING LIGHTS AND MESSAGES ................... 89 Red Warning Lights ..........................................89
Yellow Warning Lights ......................................92
Yellow Indicator Lights .....................................96
Green Indicator Lights......................................96
White Indicator Lights ......................................97
Blue Indicator Lights ........................................97
Gray Indicator Lights ........................................98
ONBOARD DIAGNOSTIC SYSTEM — OBD II ....... 98
Onboard Diagnostic System (OBD II)
Cybersecurity ....................................................98
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ............................................................ 99
STARTING AND OPERATING
STARTING THE ENGINE ....................................... 100
Normal Starting ............................................. 100
Cold Weather Operation
(Below –22°F Or −30°C) ............................ 101
Extended Park Starting ................................. 101After Starting — Warming Up The Engine..... 101
If Engine Fails To Start ................................. 101Stopping The Engine ..................................... 102
ENGINE BLOCK HEATER — IF EQUIPPED ......... 102 ENGINE BREAK-IN RECOMMENDATIONS ....... 102
PARK BRAKE ....................................................... 103
Electric Park Brake (EPB) ............................ 103
AUTOMATIC TRANSMISSION ............................. 106
Ignition Park Interlock ................................... 107Brake/Transmission Shift Interlock (BTSI)
System ........................................................... 107
6-Speed Or 9-Speed Automatic
Transmission ................................................ 107
FOUR-WHEEL DRIVE OPERATION —
IF EQUIPPED ........................................................ 112
Jeep® Active Drive ........................................ 112
SELEC-TERRAIN — IF EQUIPPED ....................... 113
Mode Selection Guide................................... 113
POWER STEERING .............................................. 114
STOP/START SYSTEM — IF EQUIPPED ............. 114
Autostop Mode .............................................. 114
Possible Reasons The Engine Does
Not Autostop .................................................. 115
To Start The Engine While In Autostop
Mode .............................................................. 115
To Manually Turn Off The Stop/Start
System ........................................................... 116
To Manually Turn On The Stop/Start
System ........................................................... 116
System Malfunction ...................................... 116 CRUISE CONTROL SYSTEMS —
IF EQUIPPED ........................................................ 116
Cruise Control................................................ 117
Adaptive Cruise Control (ACC) ...................... 118
TRAFFIC SIGN ASSIST SYSTEM —
IF EQUIPPED ......................................................... 127
Activation/Deactivation ................................ 127Traffic Sign Assist Modes ............................. 127Indications On The Display ........................... 128
HIGHWAY ASSIST SYSTEM — IF EQUIPPED ..... 129
Operation ....................................................... 129Turning Highway Assist On Or Off................. 130
Indications On The Display ........................... 131
System Status ............................................... 132System Operation/Limitations ..................... 132
PARKSENSE FRONT/REAR PARK ASSIST
SYSTEM — IF EQUIPPED ..................................... 133
ParkSense Sensors ....................................... 133
ParkSense Warning Display ......................... 133
ParkSense Display ........................................ 133
Enabling And Disabling ParkSense.............. 136
Service The ParkSense Park Assist
System ........................................................... 137
Cleaning The ParkSense System ................. 137
ParkSense System Usage Precautions........ 137Side Distance Warning (SDW) System......... 138

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118STARTING AND OPERATING
Metric Speed (km/h)
Pushing the SET (+) , or SET (-) button once will
result in a 1 km/h speed adjustment. Each
subsequent tap of the button results in an
adjustment of 1 km/h.
If the button is continually pushed, the set
speed will continue to adjust until the button is
released, then the new set speed will be estab -
lished.
To Accelerate For Passing
While the Cruise Control is set, press the
accelerator to pass as you would normally. When
the pedal is released, the vehicle will return to the
set speed.
USING CRUISE CONTROL ON HILLS
The transmission may downshift on hills to
maintain the vehicle set speed.
The Cruise Control system maintains speed up and
down hills. A slight speed change on moderate hills
is normal. On steep hills, a greater speed loss or
gain may occur so it may be preferable to drive
without Cruise Control.
To Resume Speed
To resume a previously set speed, push the RES
button and release. Resume can be used at any
speed above 20 mph (32 km/h).
To Deactivate
A tap on the brake pedal, or pushing the CANC
button, or normal brake pressure will deactivate
the Cruise Control system without erasing the set
speed from memory.
The following conditions will also deactivate the
Cruise Control without erasing the set speed from
memory:
Vehicle parking brake is applied
Stability event occurs
Gear selector is moved out of DRIVE
Engine overspeed occurs
Pushing the on/off button or placing the ignition in
the OFF position, will erase the set speed from
memory.
ADAPTIVE CRUISE CONTROL (ACC)
Adaptive Cruise Control (ACC) increases the driving
convenience provided by Cruise Control while
traveling on highways and major roadways.
However, it is not a safety system and not designed
to prevent collisions. The Cruise Control function
performs differently if your vehicle is not equipped
with ACC Ú page 117.
ACC will allow you to keep Cruise Control engaged
in light to moderate traffic conditions without the
constant need to reset your speed. ACC utilizes a
radar sensor and a forward facing camera
designed to detect a vehicle directly ahead of you
to maintain a set speed.
NOTE:
If the ACC sensor detects a vehicle ahead, ACC
will apply limited braking or accelerate (not to
exceed the original set speed) automatically to
maintain a preset following distance, while
matching the speed of the vehicle ahead.
Any chassis/suspension or tire size modifica -
tions to the vehicle will affect the performance
of the Adaptive Cruise Control and Forward Colli -
sion Warning system.
Fixed Speed Cruise Control (ACC not enabled)
will not detect vehicles directly ahead of you.
Always be aware of the feature selected
Ú page 328.
WARNING!

Cruise Control can be dangerous where the
system cannot maintain a constant speed. Your
vehicle could go too fast for the conditions, and
you could lose control and have an accident. Do
not use Cruise Control in heavy traffic or on roads
that are winding, icy, snow-covered or slippery.

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STARTING AND OPERATING123
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 will show 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 a slower moving vehicle is detected in the same
lane, the instrument cluster display will show the
ACC Set With Target Detected Light. The system
will then adjust 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 Ú
page 120.
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
force.
NOTE:The “BRAKE!” screen in the instrument cluster
display is a warning for the driver to take action
and does not necessarily 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 hand side.
ACC Operation At Stop
In the event that the ACC system brings your
vehicle to a standstill while following a vehicle in
front, if the vehicle in front starts moving within two
seconds of your vehicle coming to a standstill, your
vehicle will resume motion without the need for
any driver action.
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)
4

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124STARTING AND OPERATING
NOTE:After the ACC system holds your vehicle at a stand -
still for approximately three consecutive minutes,
the parking brake will be activated, and the ACC
system will be cancelled.
While ACC is holding your vehicle at a standstill, if
the driver seat belt is unbuckled or the driver door
is opened, the parking brake will be activated, and
the ACC system will be cancelled.
Display Warnings And Maintenance
“WIPE FRONT RADAR SENSOR IN FRONT OF
VEHICLE” WARNING
The “ACC Unavailable Wipe Front Radar Sensor”
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. The ACC system may
also become temporarily blinded due to obstructions, such as mud, dirt or ice. In these
cases, the instrument cluster display will display
the above message and the system will deactivate.
This message can sometimes be displayed while
driving in highly reflective areas (i.e. ice and snow,
or tunnels with reflective tiles). The ACC system will
recover after the vehicle has left these areas.
Under rare conditions, when the radar is not
tracking any vehicles or objects in its path this
warning may temporarily occur.
NOTE:If the “ACC Unavailable Wipe Front Radar Sensor”
warning is active, Fixed Speed Cruise Control is still
available.
If weather conditions are not a factor, the driver
should examine the sensor. It may require cleaning
or removal of an obstruction. The sensor is located
in the center of the vehicle behind the lower grille.
To keep the ACC system operating properly, it is
important to note the following maintenance
items:
Always keep the sensor clean. Carefully wipe the
sensor lens with a soft cloth. Be cautious not to
damage the sensor lens.
Do not remove any screws from the sensor.
Doing so could cause an ACC system malfunc
-
tion or failure and require a sensor realignment.
If the sensor or front end of the vehicle is
damaged due to a collision, see an authorized
dealer for service.
Do not attach or install any accessories near the
sensor, including transparent material or after -
market grilles. Doing so could cause an ACC
system failure or malfunction.
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 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 operation.
WARNING!
When the ACC system is resumed, the driver
must ensure that there are no pedestrians,
vehicles or objects in the path of the vehicle.
Failure to follow these warnings can result in a
collision and death or serious personal injury.

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STARTING AND OPERATING129
(Continued)
HIGHWAY ASSIST SYSTEM — IF EQUIPPED
OPERATION
The Highway Assist system (HAS) is combined with
the Adaptive Cruise Control (ACC) system, and
centers the vehicle in the driving lane while
traveling on controlled access highways at speeds
up to 90 mph (145 km/h).
For ACC system operating instructions and system
limitations, see Ú page 118.
NOTE:
The driver should always obey traffic laws and
speed limits. Never drive above applicable
speed limit restrictions.
The driver can override HAS at any time by
braking, accelerating, or steering the vehicle.
Just like ACC, HAS will maintain a set speed as long
as the set distance between your vehicle and the
vehicle in front is maintained. HAS will also keep
your vehicle centered between the lane lines, and
monitor for other vehicles in adjacent lanes by
utilizing the Blind Spot Monitoring sensors. HAS uses sensors within the steering wheel to
measure driver attentiveness. HAS requires the
driver’s hands on the steering wheel at all times.
The system will generally aim to keep the vehicle
centered in the lane, but when the driver turns the
steering wheel (e.g. to move further away from a
large vehicle in the next lane) the system will
reduce its control and enter "co-steering" mode.
While in co-steering mode, the system will provide
reduced assistance and allow the driver to control
the path of the vehicle. Once the driver stops
providing input to the steering wheel, the system
will require a few seconds to fully resume lane
centering assistance, especially during curves.
WARNING!
The Highway Assist system is a convenience
system. It is not a substitute for active driver
involvement. It is always the driver’s
responsibility to be attentive of road traffic,
weather conditions, vehicle speed, distance to
the vehicle ahead, position in the lane compared
to other vehicles, and brake operation to ensure
safe operation of the vehicle under all road
conditions. Your complete attention is always
required while driving to maintain safe control of
your vehicle. Failure to follow these warnings can
result in a collision and death or serious
personal injury.
You should turn off the Highway Assist system:

When driving in complex driving situations
(e.g. urban environments, construction zones,
etc.), adverse weather (e.g. rain, snow, fog,
sleet, dust), or adverse road conditions
(e.g. heavy traffic, worn or missing lane
markings, etc.).

When entering a highway off ramp, when
driving on roads that are, icy, snow covered, or
slippery.
When circumstances do not allow safe driving
at a constant speed.
WARNING!
4

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140STARTING AND OPERATING

PARKSENSE ACTIVE PARK ASSIST SYSTEM —
IF EQUIPPED

The ParkSense Active Park Assist system is
intended to assist the driver during parallel,
perpendicular, and parallel park exit maneuvers by
identifying a proper parking space, providing
audible/visual instructions, 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), as well as exiting a parallel parking space.
NOTE:
The driver is always responsible for controlling
the vehicle, responsible for any surrounding
objects, and must intervene as required.
The system is designed 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 dealer must have at least
30 miles (48 km) accumulated before the Park
-
Sense 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.
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.
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).
The ParkSense Active Park Assist system will turn
off automatically for any of the following
conditions:
Parking maneuver is complete.
Vehicle speed is greater than 18 mph
(30 km/h) when searching for a parking space.
Vehicle speed is greater than 5 mph (7 km/h) during active steering guidance into the parking
space.
Steering Wheel is touched during active
steering guidance into the parking space.
ParkSense Park Assist switch is pushed.
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 OPERATING143
(Continued)
(Continued)
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 six shifts between DRIVE
and REVERSE. If the maneuver cannot be
completed within six 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.
WARNING!
Drivers must be careful when performing
parallel or perpendicular parking maneuvers
even when using the ParkSense Active Park
Assist system. Always check carefully behind
and in front of your vehicle, look behind and in
front of you, and be sure to check for pedes
-
trians, animals, other vehicles, obstructions,
and blind spots before backing up and moving
forward. 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 the ParkSense Active Park Assist
system, it is strongly recommended that the
ball mount and hitch ball assembly be discon -
nected 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 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, giving a false indication that an
obstacle is behind the vehicle.
CAUTION!
The ParkSense Active Park Assist system 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.
WARNING!
4

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144STARTING AND OPERATING
EXITING THE PARKING SPACE
NOTE:The function does not work for exiting a perpen -
dicular parking space, but only exiting parallel
parking spaces.
Activation
To activate this function, shift to DRIVE, push the
ParkSense Active Park Assist switch, and then use
the steering wheel arrow buttons to select the
Parallel Park Exit feature. After the selection, the
system activates and instructs the driver through
the instrument cluster display about the
operations that have to be carried out to perform
the maneuver correctly.
Start Of Maneuver
During the maneuver, the system asks the driver to
shift to REVERSE, and operate the turn signal in
the direction you want to exit. Let go of the steering
wheel and use the brake or accelerator pedals while the system handles the steering
automatically for exiting the parking space. If the
driver continues to carry out a voluntary or
involuntary action on the steering wheel during the
exit maneuver (touching or holding the steering
wheel to prevent its movement), the maneuver will
be interrupted.

Shift To Reverse Then Move Backward
Shift To Drive Then Move Forward
End Of Maneuver
The semi-automatic maneuver ends when the
display shows the message of a completed
maneuver. At the end of the maneuver, the system
gives back the vehicle control to the driver.
Important Information
If the sensors undergo impact which alters their
position, the system operation could be greatly
affected.
The sensors reach top performance after the
vehicle has gone about 30 miles (50 km) due to
the dynamic tire circumference calculations
used for parking.
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.
Construction equipment, large trucks, and
other vibrations could affect the performance
of ParkSense.
Sensors may detect a nonexistent obstacle
(echo noise) due to mechanical noises, for
example while washing the vehicle or in the
case of rain, strong wind, and hail.
The vehicle must be driven slowly when using
the ParkSense Active Park Assist system in
order to be able to stop in time when an
obstacle is detected. It is recommended that
the driver looks over his/her shoulder when
using the ParkSense Active Park Assist
system.
CAUTION!

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