MY CHILDREN AND I HAVE HAD RESPIRATORY PROBLEMS SINCE WE STARTED RIDING IN THIS 2013 SIENNA, PURCHASED NEW AUG 2013. I HAVE COMPLAINED REPEATEDLY ABOUT THE ODOR. WE ARE CURRENTLY GOING TO ARBITRATION WITH TOYOTA NATIONAL ON 7/31/2014. MY 5 YR OLD DAUGHTER HAS HAD A CONSTANT RUNNY NOSE (KIDS AT SCHOOL CALL HER "WALRUS NOSE"). SHE IS DEVASTATED, GREAT WAY TO SPEND KINDERGARTEN YEAR, THE NAME CALLING WAS SO BAD SHE WILL BE CHANGING SCHOOLS FOR 1ST GRADE. MY EYES GET VERY WATERY AND BURN, MY SINUSES FILL AND MY THROAT GETS SORE. WE DISCOVERED IT WAS THE SIENNA MAKING US SICK THIS SPRING. MY SIENNA WAS IN FOR REPAIRS FOR 3 DAYS AND I HAD A RENTAL 2014 SIENNA-RESPIRATORY PROBLEMS AND RUNNY NOSE WENT AWAY. BACK IN MY SIENNA 2 DAYS SYMPTOMS ALL RETURNED, BROUGHT 2013 BACK FOR REPAIR ETC, AGAIN COMPLAINING ABOUT THE ODOR. THEY HAD IT FOR 2 1/2 WEEKS, CHANGED FILTERS TO CHARCOAL, WHILE WE WERE ENJOYING THE 2014 SIENNA RENTAL AND WERE SYMPTOM FREE (I PUT 3000 MILES ON THE RENTAL MY 2013 HAS ALMOST 19,000) SOMETIMES I FEEL LIKE I LIVE IN MY CAR. THE REPAIR PEOPLE AGAIN THEY SAID NO ODOR. YESTERDAY I HAD REPRESENTATIVES FROM TOYOTA (NATIONAL) RIDE AND TEST DRIVE MY CAR. I EVEN TOLD THEM WHEN THE ODOR WAS PRESENT, IT SMELLS LIKE MY OLD HIGH SCHOOL CHEM LAB-ROTTEN EGGS/SULFUR. THE ODOR MAKES YOU GAG, EYES WATER, SCRATCHY THROAT, THERE IS NO WAY THEY DID NOT SMELL IT!! WE HAVE 6 CHILDREN- OUR 5 YR OLD DAUGHTER (ADOPTED), OUR 12 YR OLD GRANDDAUGHTER, A 4 YR OLD FOSTER DA