Abstract: A child safety seat includes a headrest assembly that is vertically adjustable. The headrest assembly includes a release member accessible from the front of the seat and a shoulder belt support member that is secured to the release member and movable therewith. The child safety seat also includes a base and a seat body that is movable relative to the base. A force dampening system progressively absorbs forces acting upon the child safety seat as the seat body moves relative to the base. A latch release assembly is also provided to disengage clamp members from lower attachment hooks in a vehicle, the release assembly including a release lever accessible from the front of the car seat.