- Lessen trim has a 7mm screw and T20 screw. Take out and pull down hard. Not necessary to eliminate reduce trim for 2018's. Tuxedomouse claimed: I thought I actually needed it, but have observed lots of illustrations in photos the place the gauges get "washed out" from sun glare https://mr-mushies-chocolate-bars76383.59bloggers.com/32344824/mustang-gt-digital-dash-for-sale-options