Chevrolet camaro 1996 Owner's Manual page 118

Open the close-out panel completely. Place the panel in
the correct slot (driver's or passenger's) in the rear area
of your vehicle. Make sure the handle is open and facing
you when you put it in the storage slot.
Push the handle closed to secure the panel in the slot. To
lock each panel in the storage area, use your door key.
2-63