Purchased a used car seat
This includes head positioners and seat belt ratchets, which aren’t needed if you install the car seat properly. After-market car seat products aren’t crash-tested with each car seat and could cause injury during a crash. When buying a car seat, bypass all of the car seat accessories and installation aids. Check to be sure no alterations have been made to used car seats. Buy used car seats only from toddler car seat people you know well enough to trust their account of the car seat’s crash history. You must know a car seat’s crash history to determine safety. If you have borrowed or purchased a used car seat, checking for recalls is even more important. Most recalled car seats are pulled from store shelves when the recall notice is issued.