Car seat that conforms to official regulations
Have you booked a seat for your infant? To ensure his or her comfort and safety, we recommend that you use a car seat, as long as:
it is authorized for standard automobile use (a non-standard car seat may be refused by personnel upon check-in or boarding),
it does not exceed 44 cm / 17.3 in. or 42 cm / 16.5 in. in width if your seat is located in the first row of the Economy cabin,
you make sure to install the seat on board as indicated by the manufacturer's instructions (front or back facing the seatback),
it can be held in place by a seat belt.