CITROEN DS3 Handbook page 177

Deactivating the passenger's front airbag
Never install a rearward facing child
restraint system on a seat protected by
an active front airbag. This could cause
the death of the child or serious injury.
The warning label present on both sides of the
passenger's sun visor repeats this advice. In
line with current legislation, the following tables
contain this warning in all of the languages
required.
Child safety
Passenger airbag OFF
For information on deactivating the
passenger's front airbag, refer to the
"Airbags" section.
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