A child car seat is disclosed. The car seat has a seat form for accommodating a child. A belt for retaining a child is disposed within the child car seat. A first buckle is operable between a first open position and a second other fastened position, for when fastened fastening the belt to retain a child and for when open facilitating installation and removal of a child from the child car seat. The child car seat also has an integrated interface port for removably retaining a first electronic circuit having communication circuitry for communicating with an automobile. The interface port has electrical conductors for electrically coupling with the electrical circuitry within the first electronic circuit.