Fold them down remove the velcro that holds in the spare tire mat. The passenger side is held by four bolts on the back of the seat. The driver side is held down by 3 bolts 2 on the back 1 on the side. Then the actual part you sit on is held down by 2 clips in the front and 1 bolt in the back.
I had my wires run under that area but I decide I wanted them to come out where the hole where the light was in the cargo area. As seen in the picture. Thats when I pulled the passenger side panel.
First you have to remove the bracket that held the rear seat on. Then pop the cover off the rear speaker. It is held on by clips. Remove the 3 screws in the speaker. Remove the wiring harness. The rest of that panel is held on by clips. That leaves you plenty of room to run all your wires.
I also pulled the carpet panel out of the cargo area. That was pretty simple. I will let you figure that out.
This is the quick explanation. If you have any questions feel free to ask me? I am not the expert. There are a bunch of pictures and some pretty good resources at www.clubrsx.com you might try. I might be able to get you some pictures but I don't wanna take all that apart again.