Yes, my RX had this rattle, which after 4 attempts to fix seems to have finally gone. The dealer had to remove the headlining and secure certain parts which were apparently loose, and is a known problem. Apart from a few dirty marks which I removed quite easily, I am totally satisfied with the standard of work that my dealer has done in finally fixing this problem, albeit that it took 6 months for Lexus UK to idendify exactly what was causing the rattle when then sunshade was open.