What's the deal with belt dressing anyway?
One time the dealer tried "fixing" it by using that stuff.
Of course, that worked for a short time then the noise came back.
I told my local mechanic this as I gave him the history, and he said that stuff was a no-no.

So what's the deal? If hitting it with some spray every few months bandaids it without causing problems, maybe I should just do that?
Or is that stuff not good as the local guy says?