Lexus SC 430 2002 Manual page 158

COMFORT ADJUSTMENT
16sa69b
"Anchor brackets
Use the anchor bracket in the head restraints of the rear seats.
Anchor brackets are installed for each rear seating position.
140
16sa70a
" 1 Rear cover
2 Anchor bracket
TO USE THE ANCHOR BRACKET
1. Insert your hand under the rear cover and remove it.
2. Fix the child restraint system with the seat belt.
3. Latch the hook onto the anchor bracket and tighten the
top strap.