After pulling back the front edge of the headliner in my 2009 RX to hide a dashcam wire, it squeaks when I drive over uneven pavement, speed bumps, gravel, etc. I thought it was the wire itself rubbing against the roof, but I pulled the whole wire our and let it dangle yesterday with the same squeaky results. It seems to be coming from the entire width and not just one small area. It's starting to make me crazy.

I can feel some foam strips between the headliner and roof but it's real hard to get a look at it because of it's orientation. Besides removing the entire headliner and potentially cause more problems, I'm wondering if anyone here has experienced this with their RX (?) What's it look like under there?