Originally Posted by bobbypty
I think I mentioned it before but for Impreza's that come with that rear fog lamp, the switch is on the same "ring" that turns on the front fog lamps, the first click would turn on the front fog lamps and the 2nd click for the rear but when you turn on the rear the ring goes back to the first click since is spring loaded. I will try to get a picture of my manual for a better explanation.
I think that the rear fog lamps of the Legacy are exactly the same as the Impreza
Yes. It's on the signal stalk. I have one but haven't wired it yet. They are relatively easy to find on eBay, but the wiring, relays, and cluster lamp are not in the USDM cars, so we need to DIY.