How do I get back of seat off Lexus LX470

I want to run monitor wires inside the seat of my LX470.  The seat covers on this are different than on the Chevy and Ford that I've done that just unclip on bottom of top of part of the seat.  I found some pictures with the backs taken off here:

http://www.cartunes.com/installs/lexus/2000_lx470/

Does anyone know if the backs unclip some how?  I didn't want to break anything by just tearing the back off.

Thanks-

Rick

I figured this out and thought I'd pass it along in case someone else needed the information.  The top of the seat back is held on by two plastic clips.  If you pull out on the top of the seat back and look in from the side you'll see the white plastic clip.  All you need to do is:

1.  Move the seat all the way forward.

2. From the outside of the car looking at the side of the seat get your finger or a screwdriver on the white plastic clip and push it toward the inside-middle of the seat.