head unit

Hello everybody, When I drive at night my head unit is excruciatingly bright. Even with the theme on night mode, the brightness cranked all of the way down, and the gauge cluster turned all of the way down, the head unit still hurts my eyes. Does anyone know how to lower this brightness...

My son bought a used 2021 Ford Ranger with the 4" screen and he wanted carplay in it. So i researched it for him because i've done maybe a handful of personal installs over the last couple decades and he has not done one before. Since he lives in another state i wrote up some instructions for...