One problem related to wiper has been reported for the 2004 Lexus RX. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Lexus RX based on all problems reported for the 2004 RX.
Was on freeway, heard a loud pop , looked around and everything looked ok, saw something fly off vehicle in rearview mirror. Now there is a sound of wind rushing, check windows all closed, decided to pull of freeway to see if there was damaged to vehicle . Stopped got out did not notice anything up till we looked at the roof an saw a hole. Looked like it blow out not in , did not notice in the car because sunroof cover was closed.