Where is the radiator drain plug on a 1999 Chevy Malibu v6?

Look under the radiator, it should be 2 white plastic nobs (one on the left and one on the right) that can be twisted off. its on right hand side of radiator end its white hex hole in middle twist 1/4 and pull out i used banded nose plier , i took picture to but i don't know how to upload

need more info let me know i will up load PIC