Originally Posted by hotleadsingerguy
That was my topic that contained it before, and I got an answer on what it was.
It's the glue they use to stick to headliner to either the body or the velcro (depending on where it is). Mine is right at the tip of the A-pillar on the passenger side and somewhat noticeable. They tried dying it out and said it's impossible to get rid of the stain, so I'm waiting on a new headliner to arrive.
I have it on A-pillar on passenger side, a little above window, and another spot above front window. All on passenger side.