http://www.dhs.ca.gov/epic/cps/documents/Support/Support%20-%20Car%20Seats%20Are%20Kids%20Stuff%20Manual.pdf
Babies should ride rear-facing in a child car seat until they are at least
one year of age and at least twenty pounds. The American Academy of
Pediatrics also recommends keeping your child rear-facing until they reach
the maximum rear-facing weight limit on the seat. For example: If your child
is 25 pounds when he turns 1 year old and your car seat faces rear until 30
pounds, keep the chi
