I had my car in five (yes, five) times to fix a dashboard rattle. The last time, I got the factory service rep involved.
Despite five trips to the dealer, the problem was not fixed. When I complained, again, I was told they couldn't fix it and that I could sue them (or take them to arbitration) if I was unhappy.
Here's the bottom line: When it comes time to get rid of the POS RX300, I will NEVER own a Lexus or Toyota product again. My 1990 Acura Legend, with 208,000 miles, is a better car than my 02 RX300 with 65,000 on the clock. My next car will be an MDX.