See also:

Front seat belts and passenger’s front airbag
A. Front seat belts not fastened or unfastened warning lamp. B. Front passenger’s airbag deactivation indicator lamp. C. Front passenger’s airbag activation indicator lamp. ...

Fuses under the battery
...

Operating fault
If this warning lamp comes on on the instrument panel, accompanied by an audible warning and a message on the multifunction screen, contact a CITROËN dealer to have the system checked. The ...