First, it is necessary to roll back the anchorage of children's seats. This will require a key of 12. After that, it is necessary to remove the internal stop signal by pressing the body on the glass and pulling it up (to help itself with a screwdriver by inserting it between the plastic stop lamp and the shelf). Then the seat cushion is easily removed. Now you can unroll the two bolts holding the seat back and remove it.
Behind the back is a 3 piston holding a shelf. It is necessary to remove them and pull the shelf up and on.
It's going backwards.