2006 GMC Yukon Owner's Manual - Page 31

3. Pull up on the seatback release lever, located on the outboard side of the seat cushion, and push the seatback forward until it is flat. Once the seatbacks are folded down, on extended models only, the rear seat footwell area will be exposed and will have to be covered by the load floor panel. To create a load floor, do the following: Regular Model Lever shown, Extended Model Lever similar If the seatback cannot fold flat because it interferes with the cushion, try moving the front seat forward and/or bringing the front seatback more upright. 1. Release the panels from the seatbacks by pushing forward on the latches. 2. Then fold the panels back to cover the rear seat footwell area. 1-25