As discussed here previously, 75% of child seats are misused. This misuse endangers your most precious cargo, your kids. So get a free checkup. To locate an inspection center nearest you go to this link. http://www.nhtsa.gov/cps/cpsfitting/index.cfm
You will be glad you did. And if you can't afford a child safety or booster seat in Maryland go to http://fha.maryland.gov/ohpetup/kiss/loaner_pgm.cfm
Child safety is imperative.