The phrase "facing position" means that someone or something is positioned in a way where it is facing a certain direction or facing someone or something directly.
The convertible car seat is designed with a rear facing position for infants that weigh 4 to 40 lbs. (babyseats.reviews)
Convertible seats have a higher rear facing weight limit which means your child can remain rear facing for longer and they convert to a forward facing position for an older baby. (mommystroller.com)
This car seat starts out as a rear - facing model for newborns up to 30 lbs allowing you to keep your child in the safest facing position for as long as possible. (earlymomentsmatter.org)