2018 JEEP COMPASS ECU

To Lower The Rear Seat
1. Pull the seatback release lever located on
either side of the upper outer edge of the
seat.
2. Fold that side of the rear seatback com-
pletely forward.
To Raise The Rear Seat
NOTE:
If interference from the cargo area prevents
the seatback from fully locking, you will have
difficulty returning the seat to its proper
position.
Raise the seatback and lock it into place.
The release lever will show a red indicator
while in the unlocked position. Once the seat
is locked in, the red indicator will no longer
be visible.
WARNING!
Be certain that the seatback is securely
locked into position. If the seatback is not
WARNING!
securely locked into position the seat will
not provide the proper stability for child
seats and/or passengers. An improperly
latched seat could cause serious injury.
40/20/40 Rear Seat Armrest— If Equipped
The center part of the rear seat can also be
used as a rear armrest with cup holders, pull
the rear armrest tab to release it from the seat
and pull forward.
WARNING!
Be certain that the seatback is securely
locked into position. If the seatback is not
securely locked into position the seat will
not provide the proper stability for child
seats and/or passengers. An improperly
latched seat could cause serious injury.
HEAD RESTRAINTS
Head restraints are designed to reduce the
risk of injury by restricting head movement inthe event of a rear impact. Head restraints
should be adjusted so that the top of the head
restraint is located above the top of your ear.
WARNING!
• All occupants, including the driver,
should not operate a vehicle or sit in a
vehicle’s seat until the head restraints
are placed in their proper positions in
order to minimize the risk of neck injury
in the event of a crash.
• Head restraints should never be ad-
justed while the vehicle is in motion.
Driving a vehicle with the head restraints
improperly adjusted or removed could
cause serious injury or death in the
event of a collision.
NOTE:
Do not reverse the head restraints (making
the rear of the head restraint face forward) in
an attempt to gain additional clearance to the
back of your head.
GETTING TO KNOW YOUR VEHICLE
30

Closing Power Shade — Express
Pull the switch and release it within one-half
second and the shade will close automati-
cally from any position. If the sunroof is
completely closed the shade will close fully
and stop automatically. This is called “Ex-
press Close”. During Express Close opera-
tion, any movement of the switch will stop
the shade.
NOTE:
If the sunroof is open, the shade will close to
the half-open position. Pulling the shade
close button again will automatically close
both the sunroof and shade completely.
Closing Power Shade — Manual Mode
To close the shade, pull and hold the switch
in the close position. Any release of the
switch will stop the movement and the shade
will remain in a partially closed condition
until the switch is pulled again.
Pinch Protection Feature
This feature will detect an obstruction in the
opening of the sunroof during Express Close
operation. If an obstruction in the path of the
sunroof is detected, the sunroof will auto-
matically retract. Remove the obstruction if
this occurs. Next, push the switch forward
and release to Express Close.
NOTE:
If three consecutive sunroof close attempts
result in Pinch Protect reversals, the fourth
close attempt will be a Manual Close move-
ment with Pinch Protect disabled.
WARNING!
• Do not let children play with the sunroof.
Never leave children unattended in a
vehicle, or with access to an unlocked
vehicle. Do not leave the key fob in or
near the vehicle, and do not leave the
ignition of a vehicle equipped with Key-
WARNING!
less Enter-N-Go in the ACC or ON/RUN
mode. Occupants, particularly unat-
tended children, can become entrapped
by the power sunroof while operating the
power sunroof switch. Such entrapment
may result in serious injury or death.
• In a collision, there is a greater risk of
being thrown from a vehicle with an
open sunroof. You could also be severely
injured or killed. Always fasten your seat
belt properly and make sure all passen-
gers are properly secured.
• Do not allow small children to operate
the sunroof. Never allow your fingers,
other body parts, or any object to project
through the sunroof opening. Injury may
result.
Sunroof Maintenance
Use only a non-abrasive cleaner and a soft
cloth to clean the glass panel.
GETTING TO KNOW YOUR VEHICLE
52

GETTING TO KNOW YOUR INSTRUMENT PANEL
INSTRUMENT CLUSTER DIS-
PLAY .....................60
Instrument Cluster Display Location And
Controls.....................60
TRIP COMPUTER.............61
WARNING LIGHTS AND MES-
SAGES.....................61
Red Warning Lights..............61
Yellow Warning Lights............64
Yellow Indicator Lights............68
Green Indicator Lights............69
White Indicator Lights............70
Blue Indicator Lights.............71
Gray Indicator Lights.............71ONBOARD DIAGNOSTIC SYSTEM —
OBDII.....................71
Onboard Diagnostic System (OBD II)
Cybersecurity.................71
EMISSIONS INSPECTION AND
MAINTENANCE PROGRAMS....72
GETTING TO KNOW YOUR INSTRUMENT PANEL
59

Do not operate the vehicle until the cause is
corrected. This light does not indicate how
much oil is in the engine. The engine oil level
must be checked under the hood.
— Oil Temperature Warning Light
This telltale indicates engine oil temperature
is high. If the light turns on while driving,
stop the vehicle and shut off the engine as
soon as possible. Wait for oil temperature to
return to normal levels.
— Seat Belt Reminder Warning Light
This light indicates when the driver or pas-
senger seat belt is unbuckled. When the
ignition is first placed in the ON/RUN or
ACC/ON/RUN position and if the driver’s seat
belt is unbuckled, a chime will sound and the
light will turn on. When driving, if the driver
or front passenger seat belt remains unbuck-
led, the Seat Belt Reminder Light will flash or
remain on continuously and a chime will
sound. Refer to “Occupant Restraints Sys-
tems” in “Safety” for further information.
— Transmission Fault Warning Light —
If Equipped
This light will illuminate (together with a
message in the instrument cluster display
and a buzzer) to indicate a transmission
fault. Contact your authorized dealer if the
message remains after restarting the engine.
— Transmission Temperature Warning
Light — If Equipped
This light indicates high transmission fluid
temperature. This may occur with strenuous
usage such as trailer towing. If this light turns
on, stop the vehicle and run the engine at idle
or slightly faster, with the transmission in
PARK or NEUTRAL, until the light turns off.
Once the light turns off, you may continue to
drive normally.
WARNING!
If you continue operating the vehicle when
the Transmission Temperature Warning Light
is illuminated you could cause the fluid to
boil over, come in contact with hot engine or
exhaust components and cause a fire.
CAUTION!
Continuous driving with the Transmission
Temperature Warning Light illuminated
will eventually cause severe transmission
damage or transmission failure.
— Vehicle Security Warning Light — If
Equipped
This light will flash at a fast rate for approxi-
mately 15 seconds when the vehicle security
alarm is arming, and then will flash slowly
until the vehicle is disarmed.
Yellow Warning Lights
— Active Speed Limiter Fault Indica-
tor Light — If Equipped
This light will turn on when there is a fault
detected with the Active Speed Limiter.
GETTING TO KNOW YOUR INSTRUMENT PANEL
64

flash for approximately one minute and then
remain continuously illuminated. This se-
quence will continue upon subsequent ve-
hicle start-ups as long as the malfunction
exists. When the malfunction indicator is
illuminated, the system may not be able to
detect or signal low tire pressure as intended.
TPMS malfunctions may occur for a variety of
reasons, including the installation of replace-
ment or alternate tires or wheels on the ve-
hicle that prevent the TPMS from functioning
properly. Always check the TPMS malfunc-
tion telltale after replacing one or more tires
or wheels on your vehicle to ensure that the
replacement or alternate tires and wheels
allow the TPMS to continue to function
properly.
CAUTION!
The TPMS has been optimized for the
original equipment tires and wheels.
TPMS pressures and warning have been
established for the tire size equipped on
your vehicle. Undesirable system opera-
tion or sensor damage may result when
using replacement equipment that is not
CAUTION!
of the same size, type, and/or style. After-
market wheels can cause sensor damage.
Using aftermarket tire sealants may cause
the Tire Pressure Monitoring System
(TPMS) sensor to become inoperable. Af-
ter using an aftermarket tire sealant it is
recommended that you take your vehicle
to your authorized dealer to have your
sensor function checked.
— Towing Hook Breakdown Warning
Light — If Equipped
This light illuminates when there is a failure
with the tow hook. Contact your authorized
dealer for service.
— Vehicle Security Warning Light
This telltale will illuminate when the vehicle
security alarm system has detected an at-
tempt was made to break into the vehicle.
Yellow Indicator Lights
— 4WD Lock Indicator Light
This light alerts the driver that the vehicle is
in the four-wheel drive LOCK mode. The front
and rear driveshafts are mechanically locked
together, forcing the front and rear wheels to
rotate at the same speed.
Refer to “Four-Wheel Drive Operation” in
“Starting And Operating” for further informa-
tion on four-wheel drive operation and proper
use.
— 4WD Low Indicator Light — If
Equipped
This light alerts the driver that the vehicle is
in the four-wheel drive LOW mode. The front
and rear driveshafts are mechanically locked
together forcing the front and rear wheels to
rotate at the same speed. Low range provides
a greater gear reduction ratio to provide in-
creased torque at the wheels.
Refer to “Four-Wheel Drive Operation — If
Equipped” in “Starting And Operating” for
further information on four-wheel drive op-
eration and proper use.
GETTING TO KNOW YOUR INSTRUMENT PANEL
68

Blue Indicator Lights
— High Beam Indicator Light
This indicator shows that the high beam
headlights are on. With the low beams acti-
vated, push the multifunction lever forward
(toward the front of the vehicle) to turn on the
high beams. Pull the multifunction lever rear-
ward (toward the rear of the vehicle) to turn
off the high beams. If the high beams are off,
pull the lever toward you for a temporary high
beam on, "flash to pass" scenario.
Gray Indicator Lights
— Electronic Speed Control On Indica-
tor Light
This light will turn on when the electronic
speed control is on.
ONBOARD DIAGNOSTIC
SYSTEM — OBD II
Your vehicle is equipped with a sophisticated
Onboard Diagnostic system called OBD II.
This system monitors the performance of the
emissions, engine, and automatic transmis-
sion control systems. When these systems are
operating properly, your vehicle will provide
excellent performance and fuel economy, as
well as emissions well within current govern-
ment regulations.
If any of these systems require service, the
OBD II system will turn on the Malfunction
Indicator Light (MIL). It will also store diag-
nostic codes and other information to assist
your service technician in making repairs.
Although your vehicle will usually be drivable
and not need towing, see an authorized
dealer for service as soon as possible.
CAUTION!
• Prolonged driving with the MIL on could
cause further damage to the emission
control system. It could also affect fuel
economy and driveability. The vehicle
must be serviced before any emissions
tests can be performed.
• If the MIL is flashing while the vehicle is
running, severe catalytic converter dam-
age and power loss will soon occur. Im-
mediate service is required.
Onboard Diagnostic System (OBD II)
Cybersecurity
Your vehicle is required to have an Onboard
Diagnostic system (OBD II) and a connection
port to allow access to information related to
the performance of your emissions controls.
Authorized service technicians may need to
access this information to assist with the
diagnosis and service of your vehicle and
emissions system.
71

WARNING!
• ONLY an authorized service technician
should connect equipment to the OBD II
connection port in order to diagnose or
service your vehicle.
• If unauthorized equipment is connected
to the OBD II connection port, such as a
driver-behavior tracking device, it may:
• Be possible that vehicle systems,
including safety related systems,
could be impaired or a loss of ve-
hicle control could occur that may
result in an accident involving seri-
ous injury or death.
• Access, or allow others to access,
information stored in your vehicle
systems, including personal infor-
mation.
For further information, refer to “Cybersecu-
rity” in “Multimedia”.
EMISSIONS INSPECTION
AND MAINTENANCE
PROGRAMS
In some localities, it may be a legal require-
ment to pass an inspection of your vehicle's
emissions control system. Failure to pass
could prevent vehicle registration.
Normally, the OBD II system will be
ready. The OBD II system maynot
be ready if your vehicle was re-
cently serviced, recently had a
dead battery or a battery replacement. If the
OBD II system should be determined not
ready for the I/M test, your vehicle may fail
the test.
Your vehicle has a simple ignition actuated
test, which you can use prior to going to the
test station. To check if your vehicle's OBD II
system is ready, you must do the following:
1. Cycle the ignition switch to the ON posi-
tion, but do not crank or start the engine.NOTE:
If you crank or start the engine, you will
have to start this test over.
2. As soon as you cycle the ignition switch to
the ON position, you will see the “Mal-
function Indicator Light (MIL)” symbol
come on as part of a normal bulb check.
3. Approximately 15 seconds later, one of
two things will happen:
• The MIL will flash for about ten seconds
and then return to being fully illuminated
until you turn OFF the ignition or start the
engine. This means that your vehicle's OBD
II system isnot readyand you shouldnot
proceed to the I/M station.
• The MIL will not flash at all and will remain
fully illuminated until you place the igni-
tion in the off position or start the engine.
This means that your vehicle's OBD II sys-
tem isreadyand you can proceed to the I/M
station.
GETTING TO KNOW YOUR INSTRUMENT PANEL
72

OCCUPANT RESTRAINT
SYSTEMS
Some of the most important safety features in
your vehicle are the restraint systems:
Occupant Restraint Systems Features
• Seat Belt Systems
• Supplemental Restraint Systems (SRS) Air
Bags
• Child Restraints
Some of the safety features described in this
section may be standard equipment on some
models, or may be optional equipment on
others. If you are not sure, ask your autho-
rized dealer.
Important Safety Precautions
Please pay close attention to the information
in this section. It tells you how to use your
restraint system properly, to keep you and
your passengers as safe as possible.Here are some simple steps you can take to
minimize the risk of harm from a deploying
air bag:
1. Children 12 years old and under should
always ride buckled up in a vehicle with a
rear seat.
2. If a child from 2 to 12 years old (not in a
rear-facing child restraint) must ride in
the front passenger seat, move the seat asfar back as possible and use the proper
child restraint (refer to “Child Restraints”
in this section for further information).
3. Children that are not big enough to wear
the vehicle seat belt properly (refer to
“Child Restraints” in this section for fur-
ther information) should be secured in a
vehicle with a rear seat in child restraints
or belt-positioning booster seats. Older
children who do not use child restraints or
belt-positioning booster seats should ride
properly buckled up in a vehicle with a
rear seat.
4. Never allow children to slide the shoulder
belt behind them or under their arm.
5. You should read the instructions provided
with your child restraint to make sure that
you are using it properly.
6. All occupants should always wear their lap
and shoulder belts properly.
7. The driver and front passenger seats
should be moved back as far as practical
to allow the front air bags room to inflate.
Warning Label On Front Passenger Sun
Visor
97