It is recommended by advocates such as the American Academy of Pediatrics that baby should not be in a car seat or lie in a fixed position for longer than 2 hours at a time. This is due to continued development of their motor system, as well as their arm, back, & neck muscles.
How long can a 3 year old be in a car seat?
However, infant healthcare professionals, safety experts and most car manufacturers recommend that babies should not be in a car seat for longer than 2 hours at a time and they should be taken out frequently. If your trip involves driving for long periods of time, you should stop for regular breaks.
Can a 3 year old fly without a car seat?
Child safety seats are not required by the Federal Aviation Administration (FAA). 1 However, both the FAA and the American Academy of Pediatrics (AAP) strongly encourage the use of a car seat or other child restraint system when flying with babies or young children.