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Safety -> Airbags for Your Citroen Ds4 SUV Second Generation (2021-2025)

183  
Safety  
Airbags  
System designed to maximise the safety of the  
occupants (with the exception of the rear centre  
passenger) in the event of violent collisions.  
It supplements the action of the force-limiting  
seat belts (with the exception of the rear centre  
passenger).  
If a collision occurs, the electronic detectors  
record and analyse the front and side impacts  
sustained in the impact detection zones:  
-
in the case of a serious impact, the airbags  
are deployed instantly and protect the  
occupants of the vehicle (with the exception  
of the rear centre passenger); immediately  
after the impact, the airbags deflate rapidly  
so that they do not hinder visibility or the  
exit of the occupants,  
Impact detection zones  
A. Front impact zone.  
B. Side impact zone.  
-
in the case of a minor or rear impact or in  
certain roll-over conditions, the airbags  
will not be deployed; the seat belt alone is  
sufficient to provide optimum protection in  
these situations.  
The airbags do not operate when the  
ignition is switched off.  
This equipment will only deploy once.  
If a second impact occurs (during the  
same or a subsequent accident), the  
airbag will not be deployed again.  
Deployment of the airbag(s) is  
accompanied by a slight emission  
of harmless smoke and a noise, due  
to the activation of the pyrotechnic  
cartridge incorporated in the system.  
This smoke is not harmful, but sensitive  
individuals may experience slight  
irritation.  
The noise of the detonation may result in  
a slight loss of hearing for a short time.  
 
Front airbags  
System which protects the driver and front  
passenger in the event of a serious front impact  
in order to limit the risk of injury to the head and  
thorax.  
The driver's airbag is fitted in the centre of the  
steering wheel; the front passenger's airbag is  
fitted in the dashboard above the glove box.  
Deployment  
The airbags are deployed simultaneously,  
unless the passenger's front airbag is  
deactivated, in the event of a serious front  
impact to all or part of the front impact zone A,  
in the longitudinal centreline of the vehicle on a  
horizontal plane and directed from the front to  
the rear of the vehicle.  
The front airbag inflates between the thorax  
and head of the front occupant of the vehicle  
and the steering wheel, driver's side, and the  
dashboard, passenger's side to cushion their  
forward movement.  
 
185  
Safety  
Operating fault  
To assure the safety of your child,  
the passenger's front airbag must  
be deactivated when you install a  
"rear facing" child seat on the front  
passenger seat.  
Otherwise, the child would risk being  
seriously injured or killed if the airbag  
were deployed.  
If this warning lamp comes on in the  
instrument panel, accompanied by  
an audible warning and a message  
in the screen, contact a CITROËN dealer or a  
qualified workshop to have the system checked.  
The airbags may no longer be deployed in the  
event of a serious impact.  
If this warning lamp flashes in the  
instrument panel and/or in the  
seat belt and passenger's front  
airbag warning lamps display, contact a  
CITROËN dealer or a qualified workshop. The  
passenger's front airbag may no longer be  
deployed in the event of a serious impact.  
Deactivation  
Only the passenger's front airbag can be  
deactivated:  
Reactivation  
When you remove the child seat, turn the  
switch to the "ON" position to reactivate the  
airbag and so assure the safety of your front  
passenger in the event of an impact.  
)
with the ignition off, insert the key in the  
passenger airbag deactivation switch,  
turn it to the "OFF" position,  
then, remove the key keeping the switch in  
the new position.  
If even one of the two airbag warning  
lamps comes on continuously, do not  
install a child seat on the front passenger  
seat.  
Have the system checked by a CITROËN  
dealer or a qualified workshop.  
)
)
With the ignition on, this warning  
lamp comes on in the seat belt and  
passenger's front airbag warning  
lamps display for approximately one  
minute, if the passenger's front airbag  
is activated.  
According to version, this warning  
lamp comes on in the instrument  
panel and/or in the seat belt and  
passenger's front airbag warning lamps display  
when the ignition is on and until the airbag is  
reactivated.  
 
Lateral airbags  
Deployment  
Impact detection zones  
System which protects the driver and front  
passenger in the event of a serious side impact  
in order to limit the risk of injury to the chest,  
between the hip and the shoulder.  
Each lateral airbag is fitted in the seat backrest  
frame, door side.  
The lateral airbags are deployed unilaterally in  
the event of a serious side impact applied to all  
or part of the side impact zone B, perpendicular  
to the longitudinal centreline of the vehicle on a  
horizontal plane and directed from the outside  
towards the inside of the vehicle.  
A. Front impact zone.  
B. Side impact zone.  
The lateral airbag inflates between the hip and  
shoulder of the front occupant of the vehicle  
and the corresponding door trim panel.  
 
187  
Safety  
Curtain airbags  
System which protects the driver and  
passengers (with the exception of the rear  
centre passenger) in the event of a serious side  
impact in order to limit the risk of injury to the  
side of the head.  
Each curtain airbag is built into the pillars and  
the upper passenger compartment area.  
Deployment  
Operating fault  
The curtain airbag is deployed at the same  
time as the corresponding lateral airbag in the  
event of a serious side impact applied to all or  
part of the side impact zone B, perpendicular  
to the longitudinal centreline of the vehicle on a  
horizontal plane and directed from the outside  
towards the inside of the vehicle.  
If this warning lamp comes on in the  
instrument panel, accompanied by  
an audible signal and a message in  
In the event of a minor impact or bump  
on the side of the vehicle or if the  
vehicle rolls over, the airbag may not be  
deployed.  
In the event of a rear or front collision,  
the airbag is not deployed.  
the screen, contact a CITROËN dealer or a  
qualified workshop to have the system checked.  
The airbags may no longer be deployed in the  
event of a serious impact.  
The curtain airbag inflates between the front or  
rear occupant of the vehicle and the windows.  
 
For the airbags to be fully effective, observe the following safety rules:  
Front airbags  
Curtain airbags  
Sit in a normal upright position.  
Do not drive holding the steering wheel by its  
spokes or resting your hands on the centre  
part of the wheel.  
Passengers must not place their feet on the  
dashboard.  
If possible, do not smoke as deployment of  
the airbags can cause burns or the risk of  
injury from a cigarette or pipe.  
Never remove or pierce the steering wheel or  
hit it violently.  
Do not fix or attach anything to the roof.  
This could cause injury to the head if the  
curtain airbag is deployed.  
If fitted on your vehicle, do not remove the  
grab handles installed on the roof, they play  
a part in securing the curtain airbags.  
Wear a correctly adjusted seat belt.  
Do not leave anything between the occupants  
and the airbags (a child, pet, object...). This  
could hamper the operation of the airbags or  
injure the occupants.  
After an accident or if the vehicle has been  
stolen or broken into, have the airbag  
systems checked.  
All work on the airbag system must be carried  
out by a CITROËN dealer or a qualified  
workshop.  
Lateral airbags  
Even if all of the precautions mentioned  
are observed, a risk of injury or of minor  
burns to the head, chest or arms when an  
airbag is deployed cannot be ruled out. The  
bag inflates almost instantly (within a few  
milliseconds) then deflates within the same  
time discharging the hot gas via openings  
provided for this purpose.  
Use only approved covers on the seats,  
compatible with the deployment the lateral  
airbags. For information on the range of seat  
covers suitable for your vehicle, you can  
contact a CITROËN dealer (see "Practical  
information - § Accessories").  
Do not fix or attach anything to the seat  
backs (clothing...). This could cause injury  
to the chest or arms if the lateral airbag is  
deployed.  
Do not sit with the upper part of the body any  
nearer to the door than necessary.  
 
189  
Safety