CITROEN C4 Aircross 2013 Owner's Handbook Manual page 175

These child seats can also be used on seats which are not fitted with ISOFIX mountings.
In this case, they must be attached to the vehicle seat using the three point seat belt.
Follow the instructions for fitting the child seat given in the seat manufacturer's installation guide.
Group 1: from 9 to 18 kg
IL3
RÖMER Duo Plus ISOFIX
Attached to the rings A , as well as ring B , known as the TOP TETHER,
3 positions of inclination of the shell.
IL4
FAIR G 0/1 S and its FWF ISOFIX base
Installed in the rearwards-facing position using its ISOFIX base, which is attached to the rings A .
6 positions of inclination of the shell.
This configuration is suitable for children weighing more than 13 kg.
Installed forwards-facing.
using an upper strap.
The base has a stay.
Safety
6
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