You will need a Phillips screwdriver.
1. Turn out two screws of fastening of forward facing..
2.... and remove it, overcoming the resistance of the plastic holders.
3. Remove the rear seat cushion (see «Removal and installation of a back seat»).
4. Turn out two screws of fastening of back facing..
5.... and remove it, overcoming the force of the plastic holder.
6. Establish facings in an order, the return to removal.