serpentine

I have a question about the serpentine belt on my 2016 Genesis Sedan 3.8 base. On my car, the belt has grooves on both sides. That is correct it has grooves on the inside and the outside. Could someone with a 2016 check their belt and see if it is the same? Also look at the tensioner pulley and...

My 57k oil change just completed the dealer noted the serpentine belt is getting close to needing replacement. Anyone had to replace their's this early?