CITROEN C4 PICASSO Handbook page 248

Safety
IUF: seat suitable for the installation of an
ISoFIX Universal seat, "Forward facing"
secured using the upper strap to the top
tether on ISOFIX seats.
IL-SU: seat suitable for the installation of an
Isofix Semi-Universal seat either:
- rearward facing fitted with an upper strap
or a support leg,
- forward facing fitted with a support leg,
- a sleeper cot fitted with an upper strap or a
support leg.
For advice on securing the upper strap, refer to
the "Isofix Mountings" section.
X: seat not suitable for the installation of a
child seat or sleeper cot for the weight group
indicated.
(1): T he outer seat in row 2 must be adjusted
to 3 notches back from the fully forward
position.
Remove and stow the head restraint
before installing a child seat on a
passenger seat. Refit the head restraint
once the child seat has been removed.
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