the rear seat is moved backward at step s206 the seat back of the middle right seat is raised in a reclining motion at step s207 the headrest of the middle right seat is returned to a normal state at step s208 the seat cushion of the middle right seat is moved backward at step s208a the middle left seat is moved toward the outside within the vehicle room at step s210 it is determined whether or not the middle left seat faces front if the result is no the operation proceeds to the end of the routine if yes the operation proceeds to step s211 at step s211 it is determined whether or not the headrest of the middle left seat is in a normal state if the result if yes the operation proceeds to step s215 if no the operation proceeds to step s212 at step s212 it is determined whether or not the seat cushion of the rear seat is in a rear position if the result is yes the operation proceeds to step s215 if no the operation proceeds to step s213 at step s213 the seat back of the rear seat is raised in a reclining motion at step s214 the seat cushion of the rear seat is moved backward at step s215 the seat back of the middle left seat is raised in a reclining motion at step s216 the headrest of the middle left seat is returned to a normal state at step s217 the seat cushion of the middle.