- Reduced trim provides a 7mm screw and T20 screw. Remove and pull down challenging. Not needed to eliminate decreased trim for 2018's. -Eliminate the trim to the best of your steering column. Just pull out. This has the little slits in it for that HVAC inside temp sensor. Based https://joey-diaz-laughing-gas44741.bleepblogs.com/32432578/not-known-factual-statements-about-2018-mustang-gt-digital-dash