Britax Roundabout 55 Guide D'utilisation page 43

Check that the
child seat is
reclined to position 3
Check that there is
LESS than 2.5 cm (1 in.)
of movement (front to back or
side to side) at the belt path
Checklist
9 Check that the vehicle belt is securely fastened.
9 Check that the child seat cannot be moved front to back or side to side
more than 2.5 cm (1 in.) at the belt path. If the child seat is not secure,
repeat installation or use a different seating location.
9 Check that the back angle of the child seat is 30º – 45º from vertical (not
to exceed 45º) when the car is parked on a level surface
* If necessary, the proper recline angle can be achieved by
placing a rolled towel or pool noodle in the vehicle seat bight.
Rear-Facing Installation
Check buckle
connection
.
41