Cadillac 2007 Escalade EXT Owner's Manual page 178

5. Push the latches away from you, starting with
the left latch, to lock the panel in place. You
should hear a click when each latch locks
correctly.
6. Install cargo cover 3 next. Place the latches in
the unlocked position. Place the cargo cover
panel on the cargo area rails while holding
the back of the cargo panel up.
178
Left Side Shown, Right Side Similar
Push the panel forward until it is snug against
the other panel and then let the back of the
panel down being sure that the pegs align with
the receivers.