I WAS DRIVING ON I-35 AND HAS TO STOP AT THE SHOULDER FOR ABOUT 30 SECONDS TO FIX SOMETHING. THE SHOULDER IS SMOOTH AND NEWLY PAVED. THEN I WENT ON DRIVING AGAIN, MINUTES LATE, THE TIRE LOW AIR INDICATOR WAS ON AND A FEW MORE MINUTES LATER, THE LEFT FRONT TIRE WAS TOTALLY FLAT. THE TIRE HAS ONLY 7500 MILES ON IT AND WAS TOLD BY TOYOTA DEALER THAT I NEED TO PURCHASE A NEW ONE. AND THERE IS NO WARRANTY ON IT SINCE IT IS FROM A NEW CAR AND I DID NOT PURCHASE THEIR EXTENDED COVERAGE. I THINK IT IS QUALITY OF THE TIRE USED AND I SAW TONS OF SAME COMPLAINTS FROM OTHER TOYOTA HIGHLANDER OWNERS. *TR