2006 GMC Yukon Owner's Manual - Page 24

Bench Seat (Third Row) If your vehicle has a full bench seat, the seatback can be folded, and the entire seat can be tilted, or removed from the vehicle. Unfolding the Seatback To return the seatback to an upright position, do the following: 1. Pull up on the release lever labeled 1, located on the rear of the seatback. Then pull up on the seatback until it locks into the upright position. Folding the Seatback To fold the seatback, do the following: Pull up on the release lever labeled 1, located on the rear of the seatback, and push the seatback forward. {CAUTION: If the seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatback to be sure it is locked. 2. Push and pull on the seatback to make sure that it is locked. 1-18