And no, I'm not referring to a poorly-aging rockstar :lol: The headliner in my '06 is starting to sag somewhat over the rear seats, which I happened to notice via the rearview mirror last weekend. I'd like to make the repair as quick, easy, and cheap as possible. Since it's just sagging, I was wondering if I could use an Xacto knife or similar very sharp blade to slit the headliner where it meets the rubber trim at the top of the boot opening, apply some appropriate glue, then pull tight to remove the sag. Has anyone done this, or have alternate advice? Was hoping I could DIY instead of going to an interior/upholstery repair shop if possible. Thanx!