CITROEN DS3 Handbook page 182

(a) Universal child seat: child seat that can be
installed in all vehicles using a seat belt.
(b) Group 0: from birth to 10 kg. Shells seats
and baby carriers cannot be installed in the
front passenger seat.
(c) Consult the legislation in force in your
country before installing your child on this
seat.
(d) To install a child seat on a rear seat,
rearward or forward facing, move the front
seat forward, then straighten the backrest
to allow enough room for the child seat and
the child's legs.
(e) When a rearward facing child seat is
installed on the front passenger seat,
the passenger's front airbag must be
deactivated. Otherwise the child would risk
being seriously damaged or killed during
deployment of the airbag. When a forward
facing child seat is installed on the front
passenger seat, the passenger's front
airbag must remain active.
(f) A child seat with support leg must never be
installed on the centre rear passenger seat.
U: Seat suitable for the installation of a
child seat secured using a seat belt and
universally approved, rearward facing and/or
forward facing.
U(R): as for U, with the passenger seat
adjusted to its highest position and in the
intermediate longitudinal position.
Remove and stow the head restraint
before installing a child seat with a
backrest on a passenger seat. Refit the
head restraint once the child seat has
been removed.