Rattling noise-passenger side
 

I bought a brand new 2021 Chrysler Pacifica Hybrid. After a couple months, it developed a rattling noise on passenger side. I went to the dealer twice about it, they replaced some bracket, but the noise persists. I am going back next week to the dealer for further work.

The noise sounds like a leaf or something like stireform rattling in the wind. It only happens at higher speeds, over 45mph.

Does anyone have potential solutions?