Was reading through Lexus insider and came across these pointers. Perhaps someone will find them helpful

"The high-quality materials in your Lexus are designed to provide years of trouble-free service, and do not require any kind of specialty treatments or conditioning to keep them looking and feeling their best. In fact, some treatments and conditioners may contain agents that are potentially harmful to your vehicle’s interior.
Leather can be cleaned using a 5 percent solution of mild wool detergent mixed in water. Again, just be sure to wring out the cloth before wiping the surface clean."

What’s the best way to take care of my Lexus carpet and seats?