There are 6 owner-reported visibility & wipers complaints for the 2007 Toyota Siennain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THIS IS THE SECOND COMPLAINT I HAVE FILED WITH TOYOTA REGARDING THE REAR VIEW VENTING WINDOW: I AM WRITING A SECOND EMAIL REGRINDING MY SERIOUS CONCERN AND DISSATISFACTION REGARDING THE RESOLUTION OF THE LEFT REAR VENTING WINDOW ON MY 2007 SIENNA COMPLETELY DISLODGING FROM THE SEAL AND FALLING OUT WHILE DRIVING WITH PASSENGERS IN THE REAR OF THE CAR WHILE MOVING. I HAVE KNOW SPOKEN WITH THE DEALERSHIP (LITTLETON TOYOTA) WHO DECLINED AND RESPONSIBILITY FOR THIS DEFECT AND REPEATEDLY INFORMED ME IT WAS TOYOTA INC. WHO WAS RESPONSIBLE. I WAS INITIALLY TOLD MY TWO DIFFERENT SERVICE DEPARTMENT PERSONNEL WHO SAID THE REPAIR WOULD BE "UNDER $30.00". I WAS THEN TOLD BY A 3 INDIVIDUAL, CASSANDRA, AFTER I DROPPED THE CAR OFF TO GET FIXED , THAT NOW IT WOULD COST OVER $850.00 BECAUSE THE ENTIRE WINDOW NEEDED TO BE FIXED. I CALLED TOYOTA INC. AND SPOKE WITH CORTNEY WHO PROCEEDED TO TELL ME THAT I WAS OUT OF LUCK AND WOULD HAVE TO ASSUME COMPLETE RESPONSIBILITY. I ASKED TO SPEAK WITH A MANAGER AND WAS CALLED BY MARIA, WHO AGAIN TOLD ME THAT I AS THE CUSTOMER WOULD HAVE TO ASSUME A SIGNIFICANT PORTION OF THE COST GIVEN THE WARRANTY OF THREE YEARS HAD PASSED. NEVER MIND THE SERIOUS POTENTIAL RISK FOR INJURY, WHICH NEITHER REPRESENTATIVE WOULD TRUTHFULLY ANSWER. I HAVE NOW WRITTEN THE NHTSB AND MASSACHUSETTS ATTORNEY GENERALS OFFICE TO FILE COMPLAINTS. I WILL BE FILING A SMALL CLAIMS CASE TO SEEK REIMBURSEMENT FOR THE COST OF THIS WINDOW AND RESOLUTION REGARDING THE RIGHT REAR VENTING WINDOW AS WELL. THIS IS SOLELY THE RESPONSIBILITY OF TOYOTA INC. AND THEY SHOULD BE ACTIVELY TRYING TO REASSURE ME IT WILL NEVER HAPPEN AGAIN AND APPRECIATIVE THAT NO ONE WAS INJURED. I AM RESOLUTE IN THIS MATTER AND WILL NOT REST UNTIL A RESPONSIBLE RESOLUTION IS REACHED. PICTURES PROVIDED.
9/2/2016 VEHICLE WAS DRIVEN FOR ABOUT 1 HOUR WITHOUT ANY ROAD INCIDENT, PARKED IN A SHADY LOCATION FOR ABOUT AN HOUR AND A HALF DURING WHICH TIME A SPONTANEOUS CRACK, MORE THAN A FOOT LONG THAT NOT CAUSED BY AN IMPACT OR ANY DAMAGE, APPEARED IN THE WINDSHIELD ON THE DRIVER'S SIDE. TOYOTA WAS NOTIFIED AND THEY REFUSED TO REMEDY THE SITUATION BECAUSE OF THE AGE OF THE VEHICLE. HOWEVER, THE SPONTANEOUS CRACKING OF A WINDSHIELD SEEMS TO ME TO BE A SAFETY HAZARD JUST AS MUCH AS EXPLODING AIRBAGS, FAULTY SHIFT LEVERS, AND SPARE TIRE HOLDERS THAT FALL OFF AND CONSTITUTES A PATTERN OF DISREGARD FOR SAFETY ON THE PART OF TOYOTA. THIS IS NOT THE FIRST FAULTY WINDSHIELD I HAVE ENCOUNTERED WITH A TOYOTA VEHICLE; PREVIOUSLY I HAD A COROLLA THAT DEVELOPED BLISTERS BETWEEN THE LAYERS OF GLASS, ALSO NOT THE RESULT OF A ROAD INCIDENT. HOWEVER, THEY REPLACED THAT WINDSHIELD WHEN THE VEHICLE WAS MORE THAN TEN YEARS OLD BECAUSE IT WAS A SAFETY HAZARD.
REMOTE CONTROLLED REAR VISION MIRROR QUIT FOLDING, AGAINST OR AWAY AS DESIGNED. SERVICE WRITER AT TOYOTA REFUSED REPAIR UNLESS OWNER PAID $450. REPAIRS NOT PERFORMED SINCE MIRRORS REMAINED FOCUSED. IN JUNE 2011, THE MIRROR ON THE PASSENGER SIDE FRONT DOOR BEGAN FOLDING BACK AND FORTH WITH THE WIND, ABOUT AN INCH FROM MECHANICAL FAILURE. MIRROR DESIGNED WITHOUT A WAY TO STOP MIRROR FROM FOLDING. VEHICLE HAS ZERO ACCIDENTS, MIRROR HAS NEVER BEEN DAMAGED OR REPAIRED AND FOLDING OPTION RARELY USED SINCE NEW. HOW MANY TOYOTA'S ARE BEING DRIVEN WITH UNRELIABLE VISION DUE TO FAULTY MIRRORS THAT WILL NOT LOCK INTO PLACE?
DASH BOARD LIGHTS ILLUMINATING THE VEHICLE'S SPEED. TURNS OFF WHEN THE LIGHTS ARE TURNED ON. THIS IS A SAFETY HAZARD. WHILE DRIVING AT NIGHT THE SPEEDOMETER IS NOT VISIBLE. ALSO THE RADIO IS NOT VISIBLE. WE PLAN TAKING CAR IN NEXT WEEK. *TR
RECENT WHEN STOPPED AT AN INDOOR GARAGE TO PARK THE CAR IN THE MORNING ONE OF THE REAR SIDE WINDOWS JUST SPONTANEOUSLY SHATTERED. WE DIDN'T HIT ANYTHING AND THERE WAS NO OBJECT THROWING AT THE CAR. THERE WARE 2 OTHER PERSONS IN THE GARAGE WITNESS WHAT HAPPENED. THIS IS OBVIOUSLY A MANUFACTURING DEFECT AND SAFETY ISSUE. IF THERE WERE PERSON SITTING AT THE SEAT NEXT TO THE WINDOW THE PERSON COULD BE HURT BY THE BROKEN GLASS. *TR
TL*THE CONTACT OWNS A 2007 TOYOTA SIENNA. WHILE DRIVING THE VEHICLE AT ANY SPEED THE CONTACT NOTICED THAT THE REAR WINDOW ON THE PASSENGER SIDES BLIND SPOT WAS VERY SMALL AND MADE IT DIFFICULT TO SEE SMALL CARS. THE FAILURE WAS NOT DIAGNOSED. THE CONTACT STATED THAT THE FAILURE HAD OCCURRED SINCE THE VEHICLE WAS PURCHASED. THE FAILURE MILEAGE WAS 51 AND THE CURRENT MILEAGE WAS 30000. UPDATED 09/28/10 *BF THE CONSUMER ALSO STATED THE REAR SEAT WERE VERY HIGH. UPDATED 10/01/10
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026