Hummer H2 2009 Owner's Manual page 59

Second Row — SUT 60/40 Bench
For SUT models with a second row 60/40 bench seat, the
top tether anchor is located at the bottom rear of the seat
cushion for the center position in the second row. You
may need to fold the seatback of the passenger side seat
forward in order to access this anchor.
Second Row — Bucket
For models with second row bucket seats, the top tether
anchors are located at the bottom rear of the seat cushion
for each position in the second row. Be sure to use the
anchor located nearest to the seating position where the
child restraint will be placed.
1-55