Ann grear mentioned: I set it to typical speed then maintain the o.k. button down with a match & black tape This offers you a digital speedo Ford will never like it but they will not support Click on to develop... Also, I wish you might have the custom made https://mantranootropicgummies21975.ivasdesign.com/53708075/rumored-buzz-on-2016-mustang-gt-digital-dash