Chevrolet 2000 Tahoe Owner's Manual page 23

To create a load floor, release the panels from the
seatback by pushing forward on the latch. Then fold
the panels back to cover the rear seat footwell area.
To return the seat to the passenger position on a
Suburban/Yukon XL, lift the floor load panels and latch
them into the seatback. Lift the seatback up and push
rearward all the way. Then lower the seat cushion until it
latches into position.
1-10
Pull forward on the seatback and up on the seat cushion
to make sure the seat is securely in place.
Check to see that the buckles on the driver's side
seatback are accessible to the outboard and center
occupant and are not under the seat cushions.
If you have removed the head restraints to fold the rear
bucket seat, be sure to reinstall them on the seatback
after it has been returned to the normal seating position.
Be sure to return the head restraints to the upright
position on Utility models.