Hi,
recently I can hear some strange noise in my cabin. It sounds like something got lose under dashboard. When I open windows I couldn't hear it so much. It is very low noise, radio and fans had to be off to hear it. It's noisy for few minutes, only on start on cold. Today when I opened bonnet I could hear like metallic noise from the engine( under cap oil) like a low knocking in metal part. Car running good, no other issues. Lexus IS 220d 2006. Can anyone help please??