My Santa Fe was just fine yesterday..Today I started it got down the road to stop sign oil light went on then off..Then the LOUDEST KNOCKING, CLANKING noise started..Got 2 miles down road went to turn and it just died! restarted it got to store checked oil!! NADA! took 3 quarts...where did my oil go??? The knocking/clanking noise is SO LOUD you can hear it down the street.!! I am SO pissed off!! Any ideas anyone!! Please!!!