- Lower trim has a 7mm screw and T20 screw. Get rid of and pull down tough. Not needed to get rid of decreased trim for 2018's. So Of course you may get the heated wheel SCCMs and increase the heated wheel later on. Or you can find them and https://m14-ebr-stock52841.blogrelation.com/38051314/digital-dash-for-mustang-an-overview