MY SIENNA HAS A PROBLEM WITH THE REAR SLIDING DOOR- AN ISSUE THAT TOYOTA IS AWARE OF ALREADY FROM ITS OTHER CUSTOMERS WHO OWN A SIENNA AS FAR BACK AS 2004. WHEN I RECEIVED AN ALERT NOTICE FROM TOYOTA CONCERNING THIS ISSUE AND ALSO THE ALERT FOR THE CORROSION OF THE SPARE TIRE CARRIER CABLE BACK IN AUGUST 2012, I TOOK MY SIENNA INTO MY TOYOTA DEALER, ON AUG. 24, 2012, TO HAVE BOTH ISSUES FIXED . HOWEVER, I WAS TOLD THAT MY TOYOTA EXTENDED WARRANTY, WHICH I PURCHASED FOR ANY ELECTRICAL ISSUES THAT I MAY ENCOUNTER, DID NOT COVER THE SLIDING DOOR SENSOR, WHICH I CONSIDER IS AN ELECTRICAL PROBLEM BY THE MANUFACTURER, AND THERE WAS NO OFFICIAL PRODUCT RECALL FOR THE SLIDING DOOR PROBLEM WHICH OBLIGATED THEM TO REPAIR IT. MY PROBLEM WITH THE SLIDING DOOR IS VERY RANDOM, AND HAS NO PATTERN OF WHEN (NO WEATHER CONNECTION) OR WHY IT OCCURS. THE SLIDING DOORS ON MY SIENNA HAVE INTERMITTENTLY CLOSED ON BOTH MY HUSBAND AND ME ON VARIOUS OCCASIONS, SINCE OUR PURCHASE IN AUGUST 2009 (FIRST OCCURRENCE WAS AROUND APRIL 2010), ALSO WHILE TRYING TO BUCKLE MY CHILDREN INTO THEIR SEATS OR JUST OPENING THE DOOR WITH THE REMOTE CONTROL OR MANUALLY, AND AS A RESULT, HAVE EXPERIENCE MINOR BRUISES TO OUR SHOULDERS. THE DOOR IS NOT SUPPOSE TO OPEN WHEN THERE IS A PHYSICAL BODY IN THE DOOR'S PATH, BUT MY DOORS DO RANDOMLY, AGAIN A MAJOR SAFETY HAZARD WITH KIDS MOVING IN AND OUT OF THE CAR. *TR