Chevrolet 2012 Express Owner's Manual page 52

3-6 Seats and Restraints
7. For the second- and third-row
seats, stow the safety belt latch
by attaching the clip on the
safety belt latch to the trim just
inside the side door.
For the last row of seats, stow
the safety belt latch plate on the
clip at the window trim. Roll the
mini-latch into the safety belt
webbing and then hook the
safety belt latch plate on the clip.
Reinstalling the Rear Seats
WARNING
A seat that is not locked into
place properly can move around
in a collision or sudden stop.
People in the vehicle could be
injured. Be sure to lock the seat
into place properly when
installing it.