2008 VOLVO S80 Unknown Or Other Problems

The front windshield is leaking, such that the driver's side front and rear floors flood, even with a light rain. Enough water comes in that the padding, carpet, floor mat and rubber floors mat are all under water. When it rains, we see water droplets and water trails on the inside of the windshield. The windshield is original and has never been replaced. We've never had a car that leaked like this and don't expect that cars should turn into small swimming pools inside when it rains.

DRIVING ON HIGHWAY AND CLOSED SUNROOF SHATTERED. NO DEBRIS CAME FROM VEHICLES AHEAD. THE VEHICLES WERE MORE THAN 500 FEET AHEAD, AND I WAS LOOKING AHEAD ON THE HIGHWAY WHEN IT SHATTERED. CAUSE UNKNOWN.

SUNROOF BLEW UP, OR SPONTANEOUSLY COMBUSTED. WAS NOT HIT BY AN OBJECT, LOUD SOUND WAS HEARD PRIOR TO THE INCIDENT. CAR WAS IN MOTION AT THE TIME, GOING ABOUT 60MPH. CONDITIONS CLEAR, COOL TEMPERATURES NOT VERY HOT OR COLD OUTSIDE.

I WAS DRIVING ON THE HIGHWAY AT APPROX 3PM. MY 11 YEAR OLD SON WAS ALSO A PASSENGER IN THE VEHICLE. I WAS ON WIDE OPEN HIGHWAY - NO STORMS - NO VEHICLES ON THE HIGHWAY NEAR ME. ALL OF A SUDDEN, THERE WAS A LOUD NOISE, SOUNDED LIKE A BOMB EXPLODED. I FELT SHARP PIECES OF GLASS AND SAW GLASS IN THE COMPARTMENT OF THE VEHICLE, LOOKED UP AND THE SUNROOF HAD SHATTERED. I FIRST ATTEMPTED TO SLIDE THE GLASS ALL THE WAY BACK SO THAT THE GLASS WOULD NOT CONTINUE TO FALL AND CUT US. THEN I REALIZED THAT WAS NOT A GOOD IDEA SO I CLOSED THE SUNROOF BACK AND THE CLOSED THE CLOTH ROOF COVERING. I HAD TO WAS ABLE TO DRIVE THE VEHICLE TO PICK MY DAUGHTER UP FROM HER LOCATION AND GET US HOME SAFELY. THE FOLLOWING DAY, I TOOK THE VEHICLE TO VOLVO...