I need to flush the PSF, because in being an idiot, I used generic PSF instead of the Honda specific. Is this super-critical to get done? I did it on Saturday, and plan on switching it out tomorrow anyway so I'm hoping no damage is done yet?

Anyways, I can't find online any instructions on where the plug is for it or how to actually flush out the PSF. I took a look under the car (have a wee bit of trouble fittin there) and was able to find the oil drain plug, but that's about it.