Sorry, I do not know, but someone here may be able to answer that. These are great forums. I joined them when I had my 90' Lexus LS400 and still -visit there frequently.

Here is the link directly to the "RX300/RX330" forums:
http://us.lexusownersclub.com/forums/index.php?showforum=5

Link to the home page that covers all Lexus models:
http://us.lexusownersclub.com/
Forums home page:
http://us.lexusownersclub.com/forums/index.php

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2004 Toyota Sequoia Limited 4wd
1991 Lincoln Town Car Executive
1991 Cadillac Sedan DeVille
1988 Mercedes 300SEL
1972 Chevrolet Caprice Kingswood Estate 9-passenger wagon
1973 Pontiac Grand Ville
(Prior MB's: 1974 240D, 1985 380SE, 1984 190D, 1993 400SEL)