Warning Lamps - CITROËN DS 4 Handbook

deactivation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has been switched off intentionally.
This is may be accompanied by an audible signal and a message in the multifunction screen.
Warning/indicator lamp
Passenger's
airbag system
is on Cause
fixed in the instrument
The control switch, located in the
panel and/or seat belt glove box, is set to the OFF position.
and front passenger's The passenger's front airbag is
airbag warning lamps deactivated.
display. You can install a rearward facing child
seat, unless there is a fault with the
airbags (airbag warning lamp on).
Action/Observations
Set the control to the "ON" position to activate the
passenger's front airbag.
In this case, do not install a rearward facing child seat
on this seat.