2020 JEEP CHEROKEE ECU

SAFETY
98
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 an authorized
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 the rear seat of
a vehicle with a rear seat.
Warning Label On Front Passenger Sun Visor
2. A child who is not big enough to wear the vehicle seat belt properly (Refer to “Child
Restraints” in this section for further
information) must be secured in the
appropriate child restraint or belt-posi -
tioning booster seat in a rear seating
position. 3. 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
as far back as possible and use the
proper child restraint. Refer to “Child
Restraints” in this section for further
information.
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.
8. Do not lean against the door or window. If your vehicle has side air bags, and
deployment occurs, the side air bags will
inflate forcefully into the space between
occupants and the door and occupants
could be injured.
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SAFETY
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(Continued)
BeltAlert warning sequence has completed,
the Seat Belt Reminder Light will remain
solid red until the driver and outboard front
seat passenger are buckled. The BeltAlert
warning sequence may repeat based on
vehicle speed until the driver and occupied
outboard front seat passenger seat belts are
buckled. The driver should instruct all occu-
pants to buckle their seat belts.
Change Of Status
If the driver or outboard front seat passenger
unbuckles their seat belt while the vehicle is
traveling, the BeltAlert warning sequence
will begin until the seat belts are buckled
again.
The outboard front passenger seat BeltAlert
is not active when the outboard front
passenger seat is unoccupied. BeltAlert may
be triggered when an animal or other items
are placed on the outboard front passenger
seat or when the seat is folded flat (if
equipped). It is recommended that pets be
restrained in the rear seat (if equipped) in
pet harnesses or pet carriers that are secured
by seat belts, and cargo is properly stowed. Rear Seat BeltAlert
Rear Seat BeltAlert shows the driver whether
the seat belts in the rear seat are buckled or
unbuckled. When the ignition switch is in the
START or ON/RUN position, a Seat Belt
Reminder Light turns on for each rear seat
position. If a seat belt is buckled, the Seat
Belt Reminder Light for that position will
illuminate solid green. If a seat belt is
unbuckled, the Seat Belt Reminder Light will
illuminate red. If a rear passenger unbuckles
a seat belt that was buckled at the start of
the trip, a single chime will sound and the
Seat Belt Reminder Light for that position
will change from solid green to blinking red.
This will alert the driver to stop the vehicle
until the rear passenger buckles the seat belt
again. After the driver and outboard front
seat passenger have buckled their seat belts
all Seat Belt Reminder Lights will turn off.
BeltAlert can be activated or deactivated by
an authorized dealer. FCA does not recom
-
mend deactivating BeltAlert.
NOTE:
If BeltAlert has been deactivated, the Seat
Belt Reminder Light will turn on and remain
on until the driver and outboard front seat
passenger seat belts are buckled.
Lap/Shoulder Belts
All seating positions in your vehicle are
equipped with lap/shoulder belts.
The seat belt webbing retractor will lock only
during very sudden stops or collisions. This
feature allows the shoulder part of the seat
belt to move freely with you under normal
conditions. However, in a collision the seat
belt will lock and reduce your risk of striking
the inside of the vehicle or being thrown out
of the vehicle.
WARNING!
Relying on the air bags alone could lead
to more severe injuries in a collision. The
air bags work with your seat belt to
restrain you properly. In some collisions,
the air bags won’t deploy at all. Always
wear your seat belt even though you have
air bags.

In a collision, you and your passengers can
suffer much greater injuries if you are not
properly buckled up. You can strike the
interior of your vehicle or other passengers,
or you can be thrown out of the vehicle.
Always be sure you and others in your
vehicle are buckled up properly.

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105
8. Position the shoulder belt on your chestso that it is comfortable and not resting
on your neck. The retractor will withdraw
any slack in the seat belt.
Rear Center Seat Belt Buckled
9. To release the seat belt, push the red button on the buckle. 10. To disengage the mini-latch plate from
the mini-buckle for storage, insert the
regular latch plate into the center red slot
on the mini-buckle. The seat belt will
automatically retract to its stowed posi -
tion. If necessary, slide the latch plate
down the webbing to allow the seat belt
to retract fully. Insert the mini-latch
plate and regular latch plate into its
stowed position.
Detaching Mini-Latch And Buckle WARNING!
If the mini-latch plate and mini-buckle
are not properly connected when the seat
belt is used by an occupant, the seat belt
will not be able to provide proper
restraint and will increase the risk of
injury in a collision.
When reattaching the mini-latch plate
and mini-buckle, ensure the seat belt
webbing is not twisted. If the webbing is
twisted, follow the preceding procedure
to detach the mini-latch plate and
mini-buckle, untwist the webbing, and
reattach the mini-latch plate and
mini-buckle.
When the center seat belt is in use, make
sure that any cargo in the cargo compart -
ment is properly secured and does not
contact the seat belt webbing, and that
there is no slack in the center shoulder
belt webbing.
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SAFETY
106
Seat Belts And Pregnant Women
Seat Belts And Pregnant Women
Seat belts must be worn by all occupants
including pregnant women: the risk of injury
in the event of an accident is reduced for the
mother and the unborn child if they are
wearing a seat belt.
Position the lap belt snug and low below the
abdomen and across the strong bones of the
hips. Place the shoulder belt across the
chest and away from the neck. Never place
the shoulder belt behind the back or under
the arm.
Seat Belt Pretensioner
The front and second row outboard seat belt
systems are equipped with pretensioning
devices that are designed to remove slack
from the seat belt in the event of a collision.
These devices may improve the performance
of the seat belt by removing slack from the
seat belt early in a collision. Pretensioners
work for all size occupants, including those
in child restraints.
NOTE:
These devices are not a substitute for proper
seat belt placement by the occupant. The
seat belt still must be worn snugly and posi -
tioned properly.
The pretensioners are triggered by the Occu -
pant Restraint Controller (ORC). Like the air
bags, the pretensioners are single use items.
A deployed pretensioner or a deployed air
bag must be replaced immediately.
Energy Management Feature
The front and second row outboard seat belt
systems are equipped with an Energy
Management feature that may help further
reduce the risk of injury in the event of a
collision. The seat belt system has a retractor
assembly that is designed to release webbing
in a controlled manner.
Switchable Automatic Locking Retractors
(ALR) — If Equipped
The seat belts in the passenger seating posi -
tions may be equipped with a Switchable
Automatic Locking Retractor (ALR) which is
used to secure a child restraint system. For
additional information, refer to “Installing
Child Restraints Using The Vehicle Seat
Belt” under the “Child Restraints” section of
this manual. The figure below illustrates the
locking feature for each seating position.
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Check the label of your child restraint. All
approved child restraints must include
type-approval data and the control mark on
its label. The label must be permanently
secured to the child restraint system. You
should not remove this label from the child
restraint.“Universal” Child Restraint Systems
The figures in the following sections are
examples of each type of universal child
restraint system. Typical installations are
shown. Always install your child restraint
system according to the child restraint
manufacturer’s instructions, which must
be included with this type of restraint
system.
See the section “Installing Child
Restraints Using the Vehicle Seat Belt” for
the steps to properly lock the seat belt over
the child restraint.
Child restraint systems with ISOFIX
anchorages are available for installing the
child restraint system to the vehicle
without using the vehicle’s seat belts.
Group 0 And 0+
Fig. A
Safety experts recommend that children ride
rearward facing in the vehicle as long as
possible. Infants up to 13 kg must be
restrained in a rear-facing seat like the child
seat shown in fig. A. This type of child
restraint supports the child’s head and does
not induce stress on the neck in the event of
sudden decelerations or a crash.
WARNING!
Extreme Hazard! Do not place a rear-facing
child restraint in front of an active air bag.
Refer to visor mounted labels for
information. Deployment of the air bag in
an accident could cause fatal injuries to
the baby regardless of the severity of the
collision. It is advisable to always carry
children in a child restraint system on the
rear seat, which is the most protected
position in the event of a collision.
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121
(Continued)
Group 3
Fig. D

Children who weigh between 22 kg and 36 kg
and who are tall enough to use the adult
shoulder belt may use a Group 3 child restraint.
Group 3 child restraints position the lap belt on
the child’s pelvis. The child must be tall
enough that the shoulder belt crosses the
child’s chest and not their neck.

Fig. D shows an example of a Group 3 child
restraint system correctly positioning the
child on the rear seat.
WARNING!
Improper installation can lead to failure
of an infant or child restraint. It could
come loose in a collision. The child
could be badly injured or killed. Follow
the child restraint manufacturer’s direc-
tions exactly when installing an infant or
child restraint.
After a child restraint is installed in the
vehicle, do not move the vehicle seat
forward or rearward because it can
loosen the child restraint attachments.
Remove the child restraint before
adjusting the vehicle seat position.
When the vehicle seat has been
adjusted, reinstall the child restraint.
When your child restraint is not in use,
secure it in the vehicle with the seat belt
or ISOFIX anchorages, or remove it from
the vehicle. Do not leave it loose in the
vehicle. In a sudden stop or accident, it
could strike the occupants or seatbacks
and cause serious personal injury.
WARNING! (Continued)
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129
2. Route the tether strap to provide themost direct path for the strap between
the anchor and the child seat. If your
vehicle is equipped with adjustable rear
head restraints, raise the head restraint,
and where possible, route the tether
strap under the head restraint and
between the two posts. If not possible,
lower the head restraint and pass the
tether strap around the outboard side of
the head restraint.
Tether Anchorage Locations
3. Attach the tether strap hook of the child restraint to the top tether anchorage as
shown in the diagram.
4. Remove slack in the tether strap according to the child restraint manufac -
turer’s instructions.
How To Stow An Unused Switchable-ALR
(ALR) Seat Belt:
When using the ISOFIX attaching system to
install a child restraint, stow all ALR seat
belts that are not being used by other occu -
pants or being used to secure child
restraints. An unused belt could injure a
child if they play with it and accidentally lock
the seat belt retractor. Before installing a
child restraint using the ISOFIX system,
buckle the seat belt behind the child
restraint and out of the child’s reach. If the
buckled seat belt interferes with the child
restraint installation, instead of buckling it
behind the child restraint, route the seat belt through the child restraint belt path and then
buckle it. Do not lock the seat belt. Remind
all children in the vehicle that the seat belts
are not toys and that they should not play
with them.
Installing Child Restraints Using The Vehicle
Seat Belt
Child restraint systems are designed to be
secured in vehicle seats by lap belts or the
lap belt portion of a lap/shoulder belt.
The seat belts in the rear passenger seating
positions are equipped with a Switchable
Automatic Locking Retractor (ALR) that is
designed to keep the lap portion of the seat
belt tight around the child restraint. The ALR
retractor can be “switched” into a locked
mode by pulling all of the webbing out of the
retractor and then letting the webbing retract
WARNING!
An incorrectly anchored tether strap
could lead to increased head motion and
possible injury to the child. Use only the
anchorage position directly behind the
child seat to secure a child restraint top
tether strap.
If your vehicle is equipped with a split
rear seat, make sure the tether strap
does not slip into the opening between
the seatbacks as you remove slack in the
strap.
WARNING!
Improper installation or failure to prop
-
erly secure a child restraint can lead to
failure of the restraint. The child could
be badly injured or killed.
Follow the child restraint manufacturer’s
directions exactly when installing an
infant or child restraint.
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SAFETY
130
back into the retractor. If it is locked, the
ALR will make a clicking noise while the
webbing is pulled back into the retractor.
Refer to the “Automatic Locking Mode”
description in “Switchable Automatic
Locking Retractors (ALR)” under “Occupant
Restraint Systems” for additional informa-
tion on ALR.
Installing A Child Restraint With A
Switchable Automatic Locking Retractor
(ALR)
Child restraint systems are designed to be
secured in vehicle seats by lap belts or the
lap belt portion of a lap/shoulder belt. 1. Place the child seat in the center of the
seating position. For some second row
seats, you may need to recline the seat
and/or raise the head restraint to get a
better fit. If the rear seat can be moved
forward and rearward in the vehicle, you
may wish to move it to its rear-most posi -
tion to make room for the child seat. You
may also move the front seat forward to
allow more room for the child seat.
2. Pull enough of the seat belt webbing from the retractor to pass it through the
belt path of the child restraint. Do not
twist the belt webbing in the belt path.
3. Slide the latch plate into the buckle until you hear a “click.”
4. Pull on the webbing to make the lap portion tight against the child seat. 5. To lock the seat belt, pull down on the
shoulder part of the belt until you have
pulled all the seat belt webbing out of the
retractor. Then, allow the webbing to
retract back into the retractor. As the
webbing retracts, you will hear a clicking
sound. This means the seat belt is now in
the Automatic Locking mode.
6. Try to pull the webbing out of the retractor. If it is locked, you should not
be able to pull out any webbing. If the
retractor is not locked, repeat step 5.
7. Finally, pull up on any excess webbing to tighten the lap portion around the child
restraint while you push the child
restraint rearward and downward into the
vehicle seat.
8. Test that the child restraint is installed tightly by pulling back and forth on the
child seat at the belt path. It should not
move more than 25 mm in any direction.
Any seat belt system will loosen with time, so
check the belt occasionally, and pull it tight
if necessary.
WARNING!
Improper installation or failure to prop -
erly secure a child restraint can lead to
failure of the restraint. The child could
be badly injured or killed.
Follow the child restraint manufacturer’s
directions exactly when installing an
infant or child restraint.
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