How to park my domain?

I want to park my domain. It still have 11 months left in its registration. How can I park it in Sedo.com using my registrar's control panel? I have some difficulty in using it. (Register nameservers, modify nameservers, or delete nameservers) In addition it has no hosting right now (expired). Does anyone has a step-by-step way to redirect my domain?

You have to register first at sedo , check http://sedo.com/main.php3?language=us&partnerid=39735 .