DOREL JUVENILE GROUP (DJG) IS RECALLING CERTAIN INFANT, CONVERTIBLE, AND BOOSTER CHILD RESTRAINT SYSTEMS WHICH WERE SOLD BOTH AS STAND ALONE SEATS OR PART OF A TRAVEL SYSTEM (WITH A STROLLER). THE HARNESS LOCKING AND RELEASE BUTTON DOES NOT ALWAYS RETURN TO ITS LOCKED POSITION. A BUTTON THAT IS NOT IN THE LOCKED POSITION CAN ALLOW THE HARNESS ADJUSTMENT STRAP TO SLIP BACK THROUGH THE ADJUSTER AS A CHILD MOVES AROUND IN THE SEAT AND RESULTS IN A LOOSE HARNESS. CHILD RESTRAINT SYSTEMS INCLUDED IN THIS RECALL ARE CONVERTIBLE CHILD RESTRAINTS ALPHA OMEGA, ALPHA OMEGA ELITE, ENSPIRA, PRIORI, PROSPECT, AND VANTAGE; INFANT CHILD RESTRAINTS MICO AND ONBOARD. AFFECTED UNITS BEGIN WITH MODEL NUMBERS 22077, 22078, 22148, 22149, 22150, 22152, 22154, 22155, 22158, 22159, 22172, 22177, 22178, 22185, 22188, 22195, 22356, 22371, 22372, 22412, 22439, 22452, 22453, 22456, 22458, 22459, 22462, 22465, 22469, 22476, 22486, 22546, 22547, 22553, 22554, 22561, 22564, 22567, 22574, 22580, 22657, 22740, 22741, 22755, 22758, 22759, 22790, 22799, 22880, 22560, 22346, 17439, 22449, 22475, AND IC072, MANUFACTURED FROM MAY 1, 2008, THROUGH APRIL 30, 2009.