- Lessen trim provides a 7mm screw and T20 screw. Take out and pull down hard. Not necessary to clear away reduced trim for 2018's. 1. New cluster program seems to have eliminated the oil temperature gauge. Most probably new cluster orders will not have it. They'll have 1 website https://holsters-for-bond-arms-de45566.bloggerswise.com/38999590/not-known-factual-statements-about-2018-mustang-gt-digital-dash