Baninni VENTURA BNCS008 Mode D'emploi page 15

4.2 Place the diagonal belt under the headrest.
Warning:
1.Not use the lock-off the device.
2.The should belt pass under the
headrest,but not through the hook.
4.3 Adjust the position of headrest according to the height of kids.As
show in diagram 2.7. It is important that the height of child's shoulder
do not higher than the position of belt. As show in diagram 2.8. The
path of car belt.both the shoulder belt and lap belt finally must be
fixed under the armrest or the other way will be not safe. As shown in
the diagram 4.3.