I have an 05 and my book says roll the windows half way down then up and that should take care of your problem. It worked for me. Right now I'm trying to find out what's going on with my headlights since I had to change a battery out...
Kudo's for you in wanting to make your Lexus look like yours. I'm in the same boat and was hoping someone on this blog could tell me where to buy a bull bar for the front!!