Britax Safe-nSound Instructions For Installation And Use Manual page 22

HOW TO INSTALL
FITTING SUMMARY
Ensure Upper Anchorage Strap is tightened,
attached to the Anchor Fitting and that straps are
the same length on both sides of Attachment Clip.
A single twist
is required in
rearward-facing
mode.
Pull to remove slack
- do not over tighten
DO NOT USE THE RESTRAINT IN REARWARD FACING MODE WITHOUT
STABILISING BAR FULLY EXTENDED.
THE UPPER ANCHORAGE STRAP MUST ALWAYS BE FITTED WHEN THE CHILD
RESTRAINT IS USED IN A VEHICLE.
ALWAYS ATTACH THE HOOK AND REMOVE THE SLACK.
22
Hook Attachment Clip to
the car's anchor fitting.
Pull sash portion of
seatbelt to remove slack.
Feed seatbelt between
restraint cover and
restraint body (see pages
19-21).