I too got the 2013 6MT base Legacy. I did order with the OEM fogs and the dealer installed it. The fogs button is beside, same area, the mirror switch. In fact they took the one on my car off and replaced it with another that has the fog buttons. Here is a link that looks the same as mine,
http://www.cars101.com/subaru/legacy/legacy2012.html It is the 4th picture down.