2008 GMC Yukon Owner's Manual - Page 32

5. 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. 3. Unlatch the seat from the floor by pulling the carrying handle, located at the rear of the seat, rearward. 4. Roll the seat out of the vehicle. There is a track in the floor to guide the seat wheels out of the vehicle. Installing the Third Row Seat To install the seat, do the following: 1. Open the liftgate to access the rear of the vehicle. 2. Slide the front outboard seat wheels into the track on the floor and roll the seat forward. The front latches should lock into place. If the latches do not lock, try tilting the rear of the seat upward slightly. 3. Lower the rear of the seat and push down on the seat to engage the rear floor latches. Removing the Third Row Seat To remove the seat, do the following: 1. Open the liftgate to access the controls for the seat. 2. Fold the seatback forward using the instructions listed under "Folding the Seatbacks" previously. The seat cannot be removed unless the seatback is folded. 1-28