To fold a seatback forward, lift the latch located on top of the backside of the seat. The seatback locks when folded down.
To return the seatback upright, lift up on the latch and push the seatback rearward. The seatback must be locked in place.
Caution: If either 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 seatbacks to be sure they are locked.