- Decrease trim includes a 7mm screw and T20 screw. Get rid of and pull down hard. Not needed to remove reduced trim for 2018's. #one I've a 2017 mustang gt high quality handbook. I’m organizing on wiring up the digital dash to my auto, I realize it’s not a https://zanepmdul.blogdosaga.com/31858244/mustang-digital-dash-for-sale-secrets