Toyota 4Runner 2021 Owner's Manual page 68

66
1-1. For safe use
Child restraint systems with a top tether strap
Secure the child restraint sys-
1
tem using the seat belt or the
lower anchors, and remove the
head restraint.
Open the anchor bracket cover,
2
latch the hook onto the anchor
bracket and tighten the top
tether strap.
Make sure the top tether strap is
securely latched.
Replace the head restraint.
3