Toyota 2005 Sienna Owner's Manual page 152

Anchor brackets
Use the anchor brackets on the back of
the third seats to attach the top strap.
Anchor bracket is installed for right side
and center seating position.
144
05 SIENNA_U (L/O 0409)
TO USE THE ANCHORAGES:
1. Remove the head restraint.
2. Fix the child restraint system with
the seat belt.
Latch the hook onto the anchor
bracket and tighten the top strap.
For instructions to install the child re-
straint system, see "Child restraint" on
page 127 in this Section.
2005 SIENNA from Sep. '04 Prod. (OM45431U)