Final answer:
Children should remain in the rear-facing position until they outgrow the weight and height limits specified by their car seat manufacturer.
Step-by-step explanation:
According to guidelines from the American Academy of Pediatrics, children should remain in the rear-facing position in the back seat until they reach the maximum weight or height limit allowed by their car seat manufacturer. This is typically until they are at least 2 years old and have outgrown the rear-facing weight and height limits specified by the car seat.