dbed

I have the 07 RX350 w/8 K miles. About 4 wks ago musting smell started coming from HVAC vents, progressivley worsening. Took to dealership last Thursday. They do not have an answer. Went to dealership today, car is totally stripped inside ,only driver seat and parts of dash remain. I am throughly PO'D. I am a non-smkr and and very neat with my cars. Basically I've told Lexus that I don't want it back. I know that it will never be the same. Read some blogs and found that this musty smell is toxic. Let me know what your situation is. I would appreciate it. Thanks. dbed