2006 GMC Sierra 1500 Pickup Owner's Manual - Page 15

The seat can also be folded down for more seating space. To fold the seat down, do the following: 1. Push the seat cushion while pulling the release strap which is located under the seat cushion. Pull the seat cushion down until it latches. 2. After latching the seat cushion, pull up on it to make sure it is locked. To flip and fold the seat, do the following: 1. Pull up on the strap loop at the rear of the seat cushion. Then, pull the seat cushion up and flip it forward. Rear Seat Operation (Crew Cab) The second row seat is a 60/40 split seat. Either side of the rear seat may be flipped and folded for added cargo space. Make sure that nothing is under or in front of the seat and that the head restraints are completely lowered. 2. After folding the seat cushion fully forward, pull the seatback forward until it is flat. If the seatback cannot fold flat because it interferes with the cushion, try moving the front seat forward and/or bringing the front seat more upright. The lever at the base of the seat must be turned rearward to release the seatback. 1-9