Chrysler 2012 300 - Owner Manual - Manual (Page 82)

2. Finally, pull on any excess webbing to tighten the lap
portion around the child restraint. Any seat belt system
will loosen with time, so check the belt occasionally, and
pull it tight if necessary.
To attach a child restraint tether strap:
1. Rotate the cover over the anchor directly behind the
seat where you are placing the child restraint.
Tether Strap Mounting
1 — Cover A — Tether Strap Hook
3 — Attaching Strap B — Tether Anchor
80 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE