TOYOTA SIENNA SLIDING AUTOMATIC DOORS, WITH NORMAL OPERATION, FIRST WON'T CLOSE AND THEN WON'T OPEN IN AUTOMATIC OR MANUAL MODE. NO WAY TO RELEASE DOOR FROM INSIDE OR OUTSIDE. SLIDING DOORS SLAM SHUT WHEN DOOR CABLE BREAKS. SLIDING DOOR HANDLES BEAK OFF WHEN YOU TRY TO OPEN OR CLOSE DOORS MANUALLY. THE PROBLEM GETS WORSE AND WORSE. REPLACEMENT OF DEFECTIVE DEALER PARTS WITH NEW DEALER PARTS DOES NOT LAST LONG AND PARTS SOON BREAK AGAIN. REPAIR EXPENSES ARE EXTREMELY HIGH. CHILDREN MOSTLY OCCUPY REAR SEAT AND WILL EITHER FALL OUT OF VAN OR BE TRAPPED INSIDE. OR WHEN THE CABLE BREAKES THE DOOR WILL INJURE CHILDREN, ESPECIALLY THEIR ARMS AND HANDS AND FINGERS. THIS IS A SAFETY ENGINEERING DEFECT FOR THE MOTOR, CABLES AND ACTUATORS AND SHOULD BE ON A RECALL.