GMC 2006 Sierra - Manual (Page 51)

i
(Top Tether Anchor):
Seating positions with top
tether anchors.
j
(Lower Anchor):
Seating positions with
two lower anchors.
For crew cab models, the rear passenger side and
center seating positions have exposed metal lower
anchors located in the crease between the seatback and
the seat cushion.
For extended cab models, the rear outboard seating
positions have exposed metal lower anchors located in
the crease between the seatback and the seat
cushion.
For regular and crew cab
models, there is an anchor
symbol on the trim
covers to assist you in
locating the top tether
anchors.
Crew Cab
1-45