One problem related to radiator has been reported for the 2007 Lexus Rx400h. The most recently reported issues are listed below.
2010 vehicle stopped abruptly; Lexus says hybrid system failed (covered) v but required new radiator and converter (4500). 2016 traveling on freeway and burning industrial plastic coming from a/c ; Lexus says can't find the issue, but four remedies for possible problem on internet; which one is it? tried to up sale tires, filters, and new struts totaling 6000; while ignoring the primary issue coming from the engine.