Lexus 2004 GX470 Owner's Manual page 142

OCCUPANT RESTRAINT SYSTEMS
For the outer seat belts, use the seat belt hangers to
prevent the belts from being tangled.
" Seat belt hanger
For the center seat belt, stow the seat belt tabs into the
cover of the roof as shown above.
Make sure the tabs are securely locked in the cover.
To release the concave end tab, see page 140 for instructions.
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