CITROËN C5 Owner's Handbook Manual page 106

Passenger airbag OFF
VII
! To assure the safety of your child, you must deactivate the passen-
ger's front airbag when you install a child seat in the rearwards facing
position on the front passenger's seat.
Otherwise, there is a risk that the child could be seriously injured or killed
if the airbag were deployed.
106
C H I L D S A F E T Y
Refer to the advice given on the label
present on both sides of the passen-
ger's sun visor.