Chevrolet 2003 Tahoe Owner's Manual page 62

An anchor loop bracket for a top strap is located at the
bottom rear of the seat cushion for each seating
position in the second row, and for the center seating
position in the third row.
Third Row Bench Seat
SuburbanNukon XL Second Row Seat, Bucket
Seats Similar
TahoeNukon models: A child restraint with a top strap
should only be used in the second or third row. Don't
use a child restraint with a top strap in the right
front passenger's position, because there's no place to
anchor the top strap.
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