It’s about turning on the light in bad weather or in the dark! Too often cars without light come under me with a really bad view. Often I use the light horn to make them aware of it – but most people don’t get it. There is a brake (where is the speedometer) or a back greeting – what is that – am I stupid? Equally bad are those who are on the road with motorcycles – that’s what I call cars, in which front only one Light works. Absolute hammer was an old 5 BMW, which overtook me in the middle of the night : No light ! I didn’t follow that alone because I don’t want to drive on it ! Defected brake lights (usually only 1 of 3) are also standard – mostly observed by me with Corsa C and the VW pallet. The LED daytime running light is like I find a cheekiness – much too bright ! Just as the fact that the already high SUV often with wrongly set The rear fog lamp can only be turned on in fog with visibility below 50 m ! The argument more consumption I find with vehicles from a ton by the way ridiculous – at least in the situation in which the light would be useful. Driving without light by the way (at least in poor visibility conditions) also costs money with us ! PS: With the search found nothing useful on this topic … That’s why I open it on a well-founded occasion – the i Finally, the safety forum and the lighting system (+ their operation) is not to be neglected !