MY DAUGHTER WAS RESTRAINED IN AN ON MY WAY REAR FACING INFANT CAR SEAT, MODEL #2071LP31, IN THE BACK SEAT OF MY CAR. THE HARNESS AND HARNESS TIE WERE ADJUSTED CORRECTLY AND MY DAUGHTER DOES NOT EXCEED THE HEIGHT AND WEIGHT LIMITS SPECIFIED BY THE MANUFACTURER. MY DAUGHTER WAS ABLE TO MOVE THE HARNESS TIE DOWN BELOW CHEST LEVEL, THEN SQUIRM AROUND AND BETWEEN THE SHOULDER HARNESSES IN SUCH A WAY THAT ONE HARNESS STRAP WAS WRAPPED AROUND HER THROAT, STRANGLING HER. THE SAME STRAP WAS ALSO WRAPPED AROUND HER ARM SO THAT HER ATTEMPTS TO FREE HERSELF TIGHTENED IT AROUND HER NECK EVEN MORE. THE OTHER HARNESS STRAP WAS WRAPPED AROUND HER BODY AND ALSO AROUND THE STRAP THAT WAS STRANGLING HER, FURTHER LOCKING HER IN THE STRANGLE HOLD. BY THE TIME I PULLED OVER AND GOT TO HER, HER FACE WAS PUSHED INTO THE BACK OF THE SEAT , SHE WAS SCREAMING AND CHOKING, STRUGGLING AGAINST THE STRAPS, AND SO TIGHTLY WOUND THAT EVEN I HAD A HARD TIME FREEING HER. HAD MY 8-YEAR-OLD NOT BEEN IN THE OTHER BACK PASSENGER SEAT, I MAY NOT HAVE REALIZED WHAT WAS HAPPENING AND IT'S VERY LIKELY MY BABY WOULD HAVE DIED. THIS CAR SEAT IS VERY DANGEROUS. PLEASE MAKE EVENFLO RECALL IT RIGHT AWAY.