simple tries 1st.
Rear view mirror or dome light even maybe the rear deck (behind the seats) windows up/down. Mine rattles but it's just various loose parts the worst is from behind rear deck which I ignore.
when my In.tegra had a bad windshield seal it whistled I was glad when I found it leaked cause it only did it at 90+ and knew the dealer would just give me the stink eye if I complained about that.
2012 V6 with suspension, shifting, stopping and sound mods.