try to make the dealer fix it for you. I also have those those squicking/fre**ing sounds in my windows. I tried to make the dealer fix them, but they refuse to do that untill they stop working compleatly.
Look here, there is a tsb on this issue
http://www.alldata.com/TSB/06/00068938.html
510100 MAY 00 Window Regulator - Squeaking/Clicking Noises
Look here, there is a tsb on this issue
http://www.alldata.com/TSB/06/00068938.html
510100 MAY 00 Window Regulator - Squeaking/Clicking Noises