I think you are referring to what is known as dash-warp. Lots of contour's have this problem where the vent trim doesn't stay down etc. I think Ford did a recall on this, but Im not sure... Hopefully someone will clear this up.

Adrian 1999 CSVT, Tropic Green #1925/2760 Bosal Exhaust / B&M Shifter / Quad projector 4300K HID