VEHICLE WAS PARKED. DRIVER USED FRONT DASH AUTO OPEN BUTTON TO OPEN SIDE DOOR ON DRIVER'S SIDE. 6 YEAR OLD CHILD IN THE BACK SEAT HAD GOTTEN OUT OF HER CAR SEAT AND AS THE DOOR WAS OPENING HER LEG SLIPPED INTO THE OPEN SPACE BETWEEN THE DOOR AND THE RETRACTOR BAR. THE DOOR DID NOT REGISTER THAT THERE WAS AN OBJECT AND CONTINUED TO PRESS ON HER LEG UNTIL DRIVER WAS ABLE TO EXIT VEHICLE AND PULL SLIDING DOOR HANDLE TO REVERSE DIRECTION TO FREE UP THE CHILD'S LEG. LEG WAS PAINFUL BUT NO SERIOUS INJURY ON THIS OCCASION. *TR