Lincoln Navigator Owner's Manual page 615

3. To return the seat to a seating
position, push down on the seat
until the seat is latched to the floor.
4. With the seat in the flat back position, lift up on the lever located on
the side of the seat cushion. This will allow the seat back to be lifted to
the upright locked position.
5. Lift the seatback to the upright position.
Always latch the vehicle seat to the floor, whether the seat is
occupied or empty. If not latched, the seat may cause injury
during a sudden stop.
Folding 40% seat system to full lowered load floor position
Use caution when folding the seatback to the flat back position
as the system will move forward when you lift the release
handle.
Seating and Safety Restraints
191