EVENFLO MODEL # 235119P1, DOM 28-JUL-1997; A PIECE OF PLASTIC THAT INSERTS INTO SLEEVE AND SURROUNDS RED ADJUSTMENT BUTTON HAS CRACKED, CAUSING RED BUTTON AND ITS SPRING TO POP OUT UNEXPECTEDLY, RESULTING IN INJURIES. DEFECT HAD OCCURRED ONCE BEFORE ON SAME MODEL. BUT, MANUFACTURER REPLACED THE CHILD SAFETY SEAT.DEFECT HAS REOCCURRED ON NEW REPLACEMENT SEAT. *AK