How did you get the two screws off on the bottom of the seat back to get it off? they seem to be plastic screws but don't screw out. I need to get mine off to adjust the wiring of my headrest monitor but can't get them out and don't want to ruin the screws.

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2004 X5 3.0 White on Tan/Premium/OEM DVD headrests/DICE Mediabridge
2006 Nissan Armada SE
1986 Audi Coupe GT/5 speed
1992 Jeep Wrangler 4.0/5 speed SOLD
1988 Jeep Wrangler -SOLD and gone for good
1988 Honda Hurricane 600 - STOLEN