2012 SCION TC Visibilitywiper Problems

I WAS DRIVING TO WORK AT 55 MPH. MY SUNROOF WAS CLOSE, AIR CONDITIONER WAS ON AND WINDOWS UP BECAUSE IT WAS RAINING. WHILE DRIVING HEARD A LOUD NOISE THOUGHT IT WAS SOMEONE THAT HAD AN IMPACT BY OTHER CAR. WHEN I LOOKED UP MY SUNROOF WAS ALL OF THE SOMETHING GONE. I LOOKED IN THE DRIVEWAY BY MY MIRROR AND IT WAS FLYING LIKE A "FREEZE BIZ" FOR NO REASON. I TRY TO MAKE A CLAIM WITH THE DEALER AND THEY DIDN'T WANT TO COVER ME. I ALSO MADE A CLAIM WITH MY INSURANCE COMPANY MAPFRE AND TOLD ME IT WASN'T AN ACCIDENT SO THEY DIDN'T COVER ME. THEY MVP TOYOTA DEALER IS CHARGING ME $4,359.25 FOR FIXING IT.

ON MY WAY HOME ON I-10 THERE WAS NO TRAFFIC NEAR ME, WINDOWS UP SUNROOF CLOSED AC ON, MY ROOMMATE WITH ME WE HEAR WHAT SOUNDED LIKE A GUN SHOT THAN A SHOWER OF GLASS. WE PULLED OVER TO FIND THE GLASS PANEL IN THE ROOF HAD SHATTERED THERE WAS NO IMPACT MARK(S) I DROVE STRAIGHT TO THE PLACE I GOT THE CAR(NEW) (PHILPOT MOTORS IN NEDERLAND TX) WHERE I WAS TOLD THAT THEY HAD TWO CARS ON THE LOT THAT DID THE SAME THING, BUT COMPLETELY REFUSED TO DO ANYTHING ABOUT THIS ISSUE. I CALLED MY INSUR, CO. ABOUT IT AND THAT TOLD ME THAT SHOULD BE WARRANTY DEAL. NO ONE HAD ANY INFORMATION TO HELP ME, AND I HAD SEARCHED AND FOUND MANY OTHER PEOPLE THAT HAVE HAD THIS ISSUE, AND TOYOTA REFUSED TO OFFER ANY HELP. TOYOTA NEEDS TO MAKE THIS RIGHT TO ALL THE PEOPLE WITH...