How do i get rust spots off of the plastic walls in the dishwasher from rusted cookie sheets?

Take a Brillo pad to it, or the green scrubby side of a sponge.:)How do i get rust spots off of the plastic walls in the dishwasher from rusted cookie sheets?
WD40 might work. http://www.wd40.com/How do i get rust spots off of the plastic walls in the dishwasher from rusted cookie sheets?
CLR is the best for getting rust spots out - it worked for my kitchen sink after leaving a cookie sheet in there. You have to let it sit on there for about 15 minutes then scrub and it should come out.
CLR will get it out