GMC Acadia 2011 Owner's Manual page 112

3-58 Seats and Restraints
Lower Anchor and Top Tether
Anchor Locations
Second Row Bucket
(Top Tether Anchor): Seating
positions with top tether anchors.
(Lower Anchor): Seating
positions with two lower anchors.
Second Row 60/40 Bench
(Top Tether Anchor): Seating
positions with top tether anchors.
(Lower Anchor): Seating
positions with two lower anchors.
Third Row
(Top Tether Anchor): Seating
positions with top tether anchors.