- Reduced trim contains a 7mm screw and T20 screw. Take away and pull down tough. Not needed to take out decrease trim for 2018's. Does the digital dash obtain the oil strain sign in the PP gauges or will it get it directly from the CAN bus? Detroit Bureau https://bersatpr9forsale77888.blogminds.com/2015-mustang-gt-digital-dash-secrets-29417539