2006 GMC Yukon Owner's Manual - Page 23

Installing the 50/50 Split Bench Seat(s) {CAUTION: {CAUTION: A safety belt that is improperly routed, not properly attached, or twisted will not provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted. To install the seat, do the following: 1. Open the liftgate to access the rear of the vehicle. 2. While holding the rear of the seat up, slide the front wheels into the slots on the floor. The front latches should lock into place. If the latches do not lock, try tilting the rear of the seat upward. 3. Once the latches are engaged, let the seat drop into place. A seat that is not locked into place properly can move around in a collision or sudden stop. People in the vehicle could be injured. Be sure to lock the seat into place properly when installing it. 4. Push and pull on the seat to make sure it is locked into place. The seatback cannot be raised to the upright position unless the seat is secured to the floor. 5. 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. {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. 6. Push and pull on the seatback to make sure it is locked. 1-17