GMC 2003 Yukon Owner's Manual page 16

After folding the seat cushion fully forward, pull the
seatback forward and fold the seatback down until it is
flat. If the seatback cannot fold flat because it
interferes with the cushion, try moving the seat forward
and/or bring the front seatback more upright. On the
passenger side of the extended models, the lever at the
base of the seat must be turned rearward to release
the seatback.
1-10
To fold, pull up on the
strap loop at the rear of
the seat cushion.
Then, pull the seat cushion
up and fold it forward.
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
extended model do the following:
1. Lift the floor load panels and latch them into the
seatback.
2. Lift the seatback up and push rearward all the way.
3. Lower the seat cushion until it latches into
position.
4. Pull forward on the seatback and up on the seat
cushion to make sure the seat is securely in
place.