FORD MUSTANG 2021 Workshop Manual

PRINCIPLE OF OPERATION
WARNING: Airbags do not inflate
slowly or gently, and the risk of injury
from a deploying airbag is the greatest
close to the trim covering the airbag
module. WARNING:
All occupants of your
vehicle, including the driver, should
always properly wear their seatbelts,
even when an airbag supplemental
restraint system is provided. Failure to
properly wear your seatbelt could
seriously increase the risk of injury or
death. WARNING:
Even with advanced
restraints systems, properly restrain
children 12 and under in a rear seating
position. Failure to follow this could
seriously increase the risk of injury or
death. WARNING:
Do not place your arms
on the airbag cover or through the
steering wheel. Failure to follow this
instruction could result in personal injury. WARNING:
Keep the areas in front
of the airbags free from obstruction. Do
not affix anything to or over the airbag
covers. Objects could become projectiles
during airbag deployment or in a sudden
stop. Failure to follow this instruction
could result in personal injury or death. WARNING: Airbags can kill or injure
a child in a child restraint. Never place a
rear-facing child restraint in front of an
active airbag. If you must use a
forward-facing child restraint in the front
seat, move the seat upon which the child
restraint is installed all the way back. WARNING:
Do not attempt to
service, repair, or modify the
supplementary restraint system or
associated components. Failure to
follow this instruction could result in
personal injury or death. WARNING:
Several airbag system
components get hot after inflation. To
reduce the risk of injury, do not touch
them after inflation. WARNING:
If a supplementary
restraint system component has
deployed, it will not function again. Have
the system and associated components
inspected as soon as possible. Failure to
follow this instruction could result in
personal injury or death.
The airbags are a supplemental restraint
system and are designed to work with the
seatbelts to help protect the driver and
right front passenger from certain upper
body injuries. Airbags do not inflate slowly;
there is a risk of injury from a deploying
airbag.
Note: You will hear a loud bang and see a
cloud of harmless powdery residue if an
airbag deploys. This is normal.
The airbags inflate and deflate rapidly
upon activation. After airbag deployment,
it is normal to notice a smoke-like, powdery
residue or smell the burnt propellant. This
may consist of cornstarch, talcum powder
(to lubricate the bag) or sodium
compounds (for example, baking soda)
that result from the combustion process
that inflates the airbag. Small amounts of
sodium hydroxide may be present which
may irritate the skin and eyes, but none of
the residue is toxic.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints System

While the system is designed to help
reduce serious injuries, contact with a
deploying airbag may also cause abrasions
or swelling. Temporary hearing loss is also
a possibility as a result of the noise
associated with a deploying airbag.
Because airbags must inflate rapidly and
with considerable force, there is the risk of
death or serious injuries such as fractures,
facial and eye injuries or internal injuries,
particularly to occupants who are not
properly restrained or are otherwise out of
position at the time of airbag deployment.
Thus, it is extremely important that
occupants be properly restrained as far
away from the airbag module as possible
while maintaining vehicle control.
Routine maintenance of the airbags is not
required.
DRIVER AND PASSENGER
AIRBAGS
WARNING: Do not place your arms
on the airbag cover or through the
steering wheel. Failure to follow this
instruction could result in personal injury. WARNING:
Keep the areas in front
of the airbags free from obstruction. Do
not affix anything to or over the airbag
covers. Objects could become projectiles
during airbag deployment or in a sudden
stop. Failure to follow this instruction
could result in personal injury or death. WARNING: Airbags can kill or injure
a child in a child restraint. Never place a
rear-facing child restraint in front of an
active airbag. If you must use a
forward-facing child restraint in the front
seat, move the seat upon which the child
restraint is installed all the way back. The driver and front passenger airbags will
deploy during significant frontal and near
frontal crashes.
The driver and passenger front airbag
system consists of:
•
Driver and passenger airbag modules.
• Front passenger sensing system. · Crash sensors and monitoring
system with readiness indicator.
See Crash Sensors and Airbag
Indicator
(page 56).
Proper Driver and Front Passenger
Seating Adjustment WARNING:
National Highway
Traffic Safety Administration (NHTSA)
recommends a minimum distance of at
least
10 in (25 cm) between an
occupant's chest and the driver airbag
module.
To properly position yourself away from
the airbag:
• Move your seat to the rear as far as you
can while still reaching the pedals
comfortably.
• Recline the seat slightly (one or two
degrees) from the upright position.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE151127 E67017

After all occupants have adjusted their
seats and put on seatbelts, it is very
important that they continue to sit
properly. A properly seated occupant sits
upright, leaning against the seatback, and
centered on the seat cushion, with their
feet comfortably extended on the floor.
Sitting improperly can increase the chance
of injury in a crash event. For example, if
an occupant slouches, lies down, turns
sideways, sits forward, leans forward or
sideways, or puts one or both feet up, the
chance of injury during a crash is greatly
increased.
Children and Airbags
WARNING: Airbags can kill or injure
a child in a child restraint. Never place a
rear-facing child restraint in front of an
active airbag. If you must use a
forward-facing child restraint in the front
seat, move the seat upon which the child
restraint is installed all the way back. Children must always be properly
restrained. Accident statistics suggest that
children are safer when properly restrained
in the rear seating positions than in the
front seating position. Failure to follow
these instructions may increase the risk of
injury in a crash. FRONT PASSENGER SENSING
SYSTEM WARNING: Even with advanced
restraints systems, properly restrain
children 12 and under in a rear seating
position. Failure to follow this could
seriously increase the risk of injury or
death. WARNING:
Sitting improperly, out
of position or with the seatback reclined
too far can take weight off the seat
cushion and affect the decision of the
passenger sensing system, resulting in
serious injury or death in the event of a
crash. Always sit upright against your
seat back, with your feet on the floor. WARNING: Do not stow objects in
the seatback map pocket or hang
objects off a seatback if a child is in the
front passenger seat. Do not place
objects under the front passenger seat
or between the seat and the center
console. Check the passenger airbag
indicator lamp for proper airbag status.
Failure to follow these instructions may
interfere with the front passenger seat
sensing system and increase the risk of
serious injury. WARNING:
Any alteration or
modification to the front passenger seat
may affect the performance of the front
passenger sensing system. This could
seriously increase the risk of injury or
death.
This system works with sensors that are
part of the front passenger seat and
seatbelt to detect the presence of a
properly-seated occupant and determine
if the front passenger frontal airbag should
be enabled (may inflate) or not.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE142846

The front passenger sensing system uses
a passenger airbag status indicator that
illuminates indicating that the front
passenger frontal airbag is either on
(enabled) or off (disabled).
The indicators are on the overhead
console.
Note:
The passenger airbag status indicator
lamps illuminate for a short period of time
when you first switch the ignition on to
confirm it is functional.
The front passenger sensing system is
designed to disable (will not inflate) the
front passenger frontal airbag when the
front passenger seat is unoccupied, or a
rear facing infant seat, a forward-facing
child restraint, or a booster seat is
detected. Even with this technology,
parents are strongly encouraged to
always properly restrain children in the rear
seat. •
When the front passenger sensing
system disables (will not inflate) the
front passenger frontal airbag, the
passenger airbag status indicator
illuminates the off lamp and stays lit
to remind you that the front passenger
frontal airbag is disabled.
• If you install the child restraint and the
passenger airbag status indicator
illuminates the on lamp, switch the
vehicle off, remove the child restraint
from the vehicle and reinstall the
restraint following the child restraint
manufacturer's instructions.
The front passenger sensing system is
designed to enable (may inflate) the front
passenger frontal airbag anytime the
system senses that a person of adult size
is sitting properly in the front passenger
seat.
• When the front passenger sensing
system enables the front passenger
frontal airbag (may inflate), the
passenger airbag status indicator
illuminates the on lamp and remains
illuminated.
If a person of adult size is sitting in the front
passenger seat, but the airbag off indicator
lamp is lit, it is possible that the person is
not sitting properly in the seat. If this
happens:
• Switch the vehicle off and ask the
person to place the seat backrest in an
upright position.
• Have the person sit upright in the seat,
centered on the seat cushion, with the
person ’s legs comfortably extended.
• Restart the vehicle and have the person
remain in this position for about two
minutes. This allows the system to
detect that person and enables (may
inflate) the passenger frontal airbag.
• If the indicator off lamp remains lit
even after this, advise the person to
ride in the rear seat.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE253573

Passenger Airbag
Passenger Airbag Status
Indicator
Occupant
Disabled
OFF: Lit
Empty
ON: Unlit Disabled
OFF: Lit
Child
ON: Unlit Enabled
OFF: Unlit
Adult
ON: Lit
After all occupants have adjusted their
seats and put on seatbelts, it is very
important that they continue to sit
properly. A properly seated occupant sits
upright, leaning against the seat backrest,
and centered on the seat cushion, with
their feet comfortably extended on the
floor. Sitting improperly can increase the
chance of injury in a crash event. For
example, if an occupant slouches, lies
down, turns sideways, sits forward, leans
forward or sideways, or puts one or both
feet up, the chance of injury during a crash
greatly increases.
If you think that the status of the passenger
airbag off indicator lamp is incorrect, check
for the following:
• Objects lodged underneath the seat.
• Objects between the seat cushion and
the center console.
• Objects hanging off the seat backrest.
• Objects stowed in the seat backrest
map pocket.
• Objects placed on the occupant's lap.
• Cargo interference with the seat.
• Other passengers pushing or pulling on
the seat.
• Rear passenger feet and knees resting
or pushing on the seat. The conditions listed above may cause the
weight of a properly seated occupant to
be incorrectly interpreted by the front
passenger sensing system. The person in
the front passenger seat may appear
heavier or lighter due to the conditions
described in the list above.
Make sure the front passenger
sensing system is operating
properly. See Crash Sensors
and Airbag Indicator (page 56).
If the airbag readiness light is lit, do the
following:
The driver and adult passengers should
check for objects lodged underneath the
front passenger seat, or cargo interfering
with the seat.
If there are lodged objects, or cargo is
interfering with the seat, take the following
steps to remove the obstruction:
• Pull the vehicle over.
• Switch the vehicle off.
• Driver and adult passengers should
check for any objects lodged
underneath the front passenger seat
or cargo interfering with the seat.
• Remove the obstruction(s) (if found).
• Restart the vehicle.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE67017

•
Wait at least two minutes and verify
that the airbag readiness light is no
longer illuminated.
• If the airbag readiness light remains
illuminated, this may or may not be a
problem due to the front passenger
sensing system.
Do not attempt to repair or service the
system. Take your vehicle immediately to
an authorized dealer.
If it is necessary to modify an advanced
front airbag system to accommodate a
person with disabilities, contact the Ford
Customer Relationship Center. See
Getting the Services You Need (page
238).
SIDE AIRBAGS WARNING:
Do not place objects
or mount equipment on or near the
airbag cover, on the side of the front or
rear seatbacks, or in areas that may
come into contact with a deploying
airbag. Failure to follow these
instructions may increase the risk of
personal injury in the event of a crash. WARNING:
Do not use accessory
seat covers. The use of accessory seat
covers may prevent the deployment of
the side airbags and increase the risk of
injury in an accident. WARNING:
Do not lean your head
on the door. The side airbag could injure
you as it deploys from the side of the
seatback. WARNING:
Do not attempt to
service, repair, or modify the
supplementary restraint system or
associated components. Failure to
follow this instruction could result in
personal injury or death. WARNING:
If a supplementary
restraint system component has
deployed, it will not function again. Have
the system and associated components
inspected as soon as possible. Failure to
follow this instruction could result in
personal injury or death.
The side airbags are on the outermost side
of the seat backrests of the front seats. In
certain sideways crashes, the side airbags
will be inflated. The airbag was designed
to inflate between the door panel and
occupant to further enhance the protection
provided occupants in side impact crashes.
Coupe 53
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE152533

Convertible
The system consists of the following:
•
A label or embossed side panel
indicating that side airbags are fitted
to your vehicle.
• Side airbags inside the driver and front
passenger seat backrests. ·Crash sensors and monitoring
system with readiness indicator.
See Crash Sensors and Airbag
Indicator (page 56).
The design and development of the side
airbag system included recommended
testing procedures that were developed
by a group of automotive safety experts
known as the Side Airbag Technical
Working Group. These recommended
testing procedures help reduce the risk of
injuries related to the deployment of side
airbags.
DRIVER AND PASSENGER
KNEE AIRBAGS WARNING:
To reduce risk of injury,
do not obstruct or place objects in the
deployment path of the airbag. WARNING:
Close the glove box
door when your vehicle is moving. Failure
to follow this instruction could reduce
the effectiveness of the passenger knee
airbag and increase the risk of injury in a
crash.
A driver knee airbag is located under or
within the instrument panel. A passenger
knee airbag is located within or under the
glove box door. During a crash, the
restraints control module may activate the
driver and passenger knee airbags based
on crash severity and occupant conditions.
Under certain crash and occupant
conditions, the driver and passenger knee
airbag may deploy but the driver front
airbag may not activate. As with front and
side airbags, it is important to be properly
seated and restrained to reduce the risk of
death or serious injury. Make sure the knee airbags are
operating properly. See
Crash
Sensors and Airbag Indicator
(page
56).
SAFETY CANOPY™ - COUPE WARNING:
Do not place objects
or mount equipment on or near the
headliner at the siderail that may come
into contact with a deploying curtain
airbag. Failure to follow these
instructions may increase the risk of
personal injury in the event of a crash. WARNING:
Do not lean your head
on the door. The curtain airbag could
injure you as it deploys from the
headliner.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE174777 E67017 E67017

WARNING: Do not attempt to
service, repair, or modify the
supplementary restraint system or
associated components. Failure to
follow this instruction could result in
personal injury or death. WARNING:
All occupants of your
vehicle, including the driver, should
always properly wear their seatbelts,
even when an airbag supplemental
restraint system is provided. Failure to
properly wear your seatbelt could
seriously increase the risk of injury or
death. WARNING:
To reduce risk of injury,
do not obstruct or place objects in the
deployment path of the airbag. WARNING:
If a supplementary
restraint system component has
deployed, it will not function again. Have
the system and associated components
inspected as soon as possible. Failure to
follow this instruction could result in
personal injury or death.
The Safety Canopy deploys during
significant side crashes or when a certain
likelihood of a rollover event is detected
by the rollover sensor. The Safety Canopy
is mounted to the roof side rail sheet metal,
behind the headliner, above each row of
seats. In certain sideways crashes or
rollover events, the Safety Canopy will be
activated, regardless of which seats are
occupied. The Safety Canopy is designed
to inflate between the side window area
and occupants to further enhance
protection provided in side impact crashes
and rollover events. The system consists of the following:
•
Safety Canopy curtain airbags above
the trim panels over the front and rear
side windows identified by a label or
wording on the headliner or roof-pillar
trim.
• A flexible headliner which opens above
the side doors to allow air curtain
deployment · Crash sensors and monitoring
system with a readiness
indicator. See
Crash Sensors
and Airbag Indicator (page 56).
Properly restrain children 12 years old and
under in the rear seats. The Safety Canopy
will not interfere with children restrained
using a properly installed child or booster
seat because it is designed to inflate
downward from the headliner above the
doors along the side window opening.
The design and development of the Safety
Canopy included recommended testing
procedures that were developed by a
group of automotive safety experts known
as the Side Airbag Technical Working
Group. These recommended testing
procedures help reduce the risk of injuries
related to the deployment of side airbags
(including the Safety Canopy).
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints System E75004 E67017

CRASH SENSORS AND
AIRBAG INDICATOR
WARNING: Modifying or adding
equipment to the front end of your
vehicle (including hood, bumper system,
frame, front end body structure, tow
hooks and hood pins) may affect the
performance of the airbag system,
increasing the risk of injury. Do not
modify or add equipment to the front
end of your vehicle.
Your vehicle has a collection of crash and
occupant sensors which provide
information to the restraints control
module. The restraints control module
deploys (activates) the front seatbelt
pretensioners, driver airbag, passenger
airbag, knee airbag(s), seat mounted side
airbags and Safety Canopy airbags. Based
on the type of crash, the restraints control
module will deploy the appropriate safety
devices.
The restraints control module also
monitors the readiness of the above safety
devices plus the crash and occupant
sensors. The readiness of the safety
system is indicated by a warning indicator
light in the instrument cluster or by a
backup tone if the warning light is not
working. Routine maintenance of the
airbag is not required.
A difficulty with the system is indicated by
one or more of the following: The readiness light will not
illuminate immediately after you
switch the ignition on. •
The readiness light either flashes or
stays lit.
• You will hear a series of five beeps. The
tone pattern repeats periodically until
the problem, the light or both are
repaired.
If any of these things happen, even
intermittently, have the supplemental
restraint system serviced at an authorized
dealer immediately. Unless serviced, the
system may not function properly in the
event of a crash.
The seatbelt pretensioners and the front
airbag supplemental restraint system are
designed to activate when the vehicle
sustains frontal deceleration sufficient to
cause the restraints control module to
deploy a safety device.
The fact that the seatbelt pretensioners
or front airbags did not activate for both
front seat occupants in a crash does not
mean that something is wrong with the
system. Rather, it means the restraints
control module determined the accident
conditions (crash severity, belt usage)
were not appropriate to activate these
safety devices.
• The design of the front airbags is to
activate only in frontal and near-frontal
crashes (not rollovers, side impacts or
rear impacts unless the crash causes
sufficient frontal deceleration).
• The design of the seatbelt
pretensioners is to activate in frontal,
near-frontal, side crashes and rollovers.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints SystemE67017

•
The knee airbag(s) may deploy based
on crash severity and occupant
conditions.
• The design of the side airbags is to
inflate in certain side crashes. The
design of the Safety Canopy is to
inflate in certain side impact crashes
and when a certain likelihood of
rollover is detected by the rollover
sensor. Side airbags and Safety Canopy
airbags may activate in other types of
crashes if the vehicle experiences
sufficient sideways motion or
deformation.
AIRBAG DISPOSAL
Contact your authorized dealer as soon as
possible. Airbags must be disposed of by
qualified personnel.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-09-2020, enUSA, Edition date: 202010, Second-Printing Supplementary Restraints System