CITROËN C5 Handbook page 160

Safety
Front airbags
System which contributes towards the
protection of the head and chest of the driver
and front passenger in the event of a front
impact.
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, except the
passenger's front airbag if it 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 chest and
head of the front occupant of the vehicle and the
steering wheel, drivers side, and the dashboard,
passenger's side to cushion their forward
movement.
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Deactivation
Only the front passenger's airbag can be
deactivated:
F with the ignition off, insert the key in the
passenger airbag deactivation switch 1,
F turn it to the "OFF" position,
F then, remove the key keeping the switch in
this position.
This warning lamp comes on in the
screen located in the roof console
when the ignition is on and until the
airbag is reactivated.
To assure the safety of your child, the
passenger's airbag must be deactivated
when you install a rearward facing child
seat on the front passenger seat.
Otherwise, the child would risk being
seriously injured or killed if the airbag
were deployed.
Reactivation
When you remove a rearward facing child seat,
turn switch 1 to the "ON" position to reactivate
the airbag and so assure the safety of your
front passenger in the event of an impact.