WHILE DRIVING VEHICLE, 8-YEAR OLD IN REAR SEAT WAS PLAYING WHEN THE SEAT BELT BECAME WRAPPED AROUND NECK. PULLED VEHICLE OVER. PUSHED RELEASE BUTTON & BELT RETRACTOR WRAPPED TIGHTER AROUND CHILD'S NECK. WAS NO EMERGENCY RELEASE FOR RETRACTOR. OWNER FORCED BELT OFF CHILD'S NECK. BRUISES LEFT ON NECK & CHIN. *AK