Looks like EU law, so considering the wording, probably every new car. Also, see: https://road-safety.transport.ec.europa.eu/statistics-and-analysis/statistic

Looks like EU law, so considering the wording, probably every new car. Also, see: https://road-safety.transport.ec.europa.eu/statistics-and-analysis/statistics-and-analysis-archive/esafety/alcohol-interlocks_en https://road-safety.transport.ec.europa.eu/statistics-and-an... Edit: The actual text: > Article 6 of Regulation (EU) 2019/2144 of the European Parliament and of the Council requires motor vehicles of categories M and N to be equipped with certain advanced vehicle systems, including driver drowsiness and attention warning systems. It lays down in its Annex II basic requirements for the type-approval of motor vehicles with regard to the driver drowsiness and attention warning systems.