My RX 350 2013 is still with the dealer 4 days now. Just learned that the variable noise coming from the front passenger side is coming from the door, apparently some lock that has come loose causing the door to create noise was one of the Lexus diagnosis ( though it sounds like coming from the front passenger window). Again they have to apply insulation maybe to minimize the rattling noise from the inside cabin. The variable rattling noise coming from everywhere, all 4 corners of the vehicle is still a repair in progress. I feel that these noise will be there forever, so annoying for a luxury vehicle. The sensor wiper that is not auto detecting rain was diagnosed by Lexus not working as I mentioned earlier (apparently was a manufacturer' defect according to them). Of note I never knew and realized till now that my auto sensor was not working since the purchased date from brand new. The service said that there was a bubble on the sensor. Now to the most surprising news from the Lexus service dealer my RX 350 2013's windshield has to be replaced apparently from the loose wiper arms ( I don't believe it), I think they might have done something or hiding something why they have to replace a brand new car's windshield. I only reported a defective sensor, now they are going to replace the whole windshield? Any guess wild or educated will be appreciated.