inputs.text: works pretty well vw - bought wanted cool factor hud fair amount highway driving found cell phone app using much overhead wanted something permanentfor price good deal heres issues it1 picture not match shipped shows separate switch presumably mount turn unit arrived switch mounted device2 switch speed mph cannot switch temp fahrenheit fuel readings us gallons liters bit annoying bought speed rpm3 fuel numbers useless distracting would better showed fuel level tank4 film works daytime brightness passable auto bright setting little wonky night passing bright streetlight turns brightness max takes moment dim back nightime modei know seems like lot complaints reality like design tweaks considerations us measurements would make product much better price works described