Where is the negative terminal located on my 2006 cadillac dts?

Where is the negative terminal located on my 2006 cadillac dts

-it says in the manual it is located behind the power steering pulley but i cant find what that looks like or where it is.Where is the negative terminal located on my 2006 cadillac dts?Where have you been? GM has been using side post batteries for something like thirty years, now. The negative is the black one.