CITROËN DS4 Owner's Handbook Manual page 170

Locations for ISOFIX child seats
In accordance with European Regulations, this table indicates the options for installing ISOFIX child seats on seats in the vehicle fitted with ISOFIX
mountings.
In the case of universal and semi-universal ISOFIX child seats, the ISOFIX size category, determined by a letter from A to G , is indicated on the child
seat next to the ISOFIX logo.
Type of ISOFIX child seat
ISOFIX size category
ISOFIX child seats universal and semi-universal
which can be installed on the rear outer seats
IUF: seat suitable for the installation of an I sofix U niversal seat, " F orward facing" secured using the upper strap.
IL-SU: seat suitable for the installation of an I sofix S emi- U niversal seat either:
- "rear facing" fitted with an upper strap or a stay,
- "forward facing" fitted with a stay,
- an infant car seat fitted with an upper strap or a stay.
For advice on securing of the upper strap, refer to the paragraph "ISOFIX mountings".
* Infant car seats and "car cots" cannot be installed on the front passenger seat.
** The ISOFIX infant car seat, secured on the lower rings of a vehicle ISOFIX seat, occupies two rear seats.
Weight of the child /indicative age
Less than 10 kg
Less than 10 kg
(group 0)
(group 0)
Less than 13 kg
Up to approx.
(group 0+)
6 months
Up to approx. 1 year
Infant car seat * "rear facing"
F G C
IL-SU ** IL-SU
From 9 to 18 kg (group 1)
From approx. 1 to 3 years
"rear facing"
D E C D
IL-SU
"forward facing"
A B B1
IUF
IL-SU