The chicco oasys 2 3 fix plus features independent width and height adjustment to adapt to your growing child and the seat and backrest can be reclined at the same time using a front central button the chicco oasys 2 3 fix plus car seat is big on safety and easy adjustment isofix connectors attach the oasys to the vehicle isofix fittings for extra stability a front central button adjusts the seat and backrest 4 positions theres a handle at the rear to adjust the height of the backrest an