The adaptive high beam, i.e. the high beam that filters pioneers and incoming traffic from the light beam, is finally legal in the United States. This is great news because in Europe we have known this system for almost 10 years.

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Adaptive high beam, dynamic high beam, matrix LED or simply adaptive headlamps are becoming more common these days. This feature was once reserved for cars from the higher segments, but Opel was already more or less accessible with the previous generation of the Astra, and it is now on the wish list for more cars.

This will always apply to inventions that have been on the market for some time, and this will certainly apply to this innovation. We have known this in Europe since 2013, but in the US this useful and safe feature is illegal until this month. Now it has to change, because the National Highway Traffic Safety Administration (NHTSA) has finally given the green light to the changing high beam.

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The fact that this form of relief was not previously legal in the United States is in fact the result of a bureaucratic regime. According to the old letter of the law, the high and low beam must be separated. So high beam or low beam in a car is operated permanently. Strictly speaking, the Adaptive High Beam does not meet this requirement because part of the beam is turned off here so as not to stun other road users. It is not a bar to the law that it is so convenient and increases security.

Switch signals

It took a while for the Americans, but now it is correcting this ‘mistake’. Canada, which usually follows US rules, has already legalized Adaptive High Beams in 2018. Incidentally, a similar rule applies in North America with respect to dynamic turn signals. These Audi-style ‘lead strings’ are not legal because they require a turn signal to illuminate a specific surface when operating. Therefore, in the United States, car manufacturers often assemble or replace a fluorescent component in addition to the dynamic one. For example, in the Ford Mustang Mach-E, the dynamic turn signal is illuminated throughout the United States and then continuously turned off.

Volvo

Presented by Volvo In 2013 The initial variant of the already adaptive high beam, Active high beam control Or called AHBC. This system, available on S60, V60 and XC60, does not work with LED lights, but with xenon kernels. Part of the beam was simply obscured. Audi took a different approach in 2013 And came in A8 with ‘LED Matrix’ lightsIt works with individual diodes which are on or off depending on the circumstances. In fact it is still the same in these headlights. Equipped with Intellilux headlamps, the new Opel Astra has 84 LED components per headlamp for incredibly precise tuning of the (high) beam.