Honda Odyssey 2018 Owner's Manual page 77

Second row outer position
Straight Top Tether Type
Tether Strap
Hook
Anchor
Other Top Tether Type
Tether Strap
Hook
Anchor
2. Put the head restraint to its upper-most
position, then route the tether strap
outside/through the head restraint legs.
Make sure the strap is not twisted.
uuChild SafetyuSafety of Infants and Small Children
Continued 75