New cars to monitor drivers for signs of drink and drug use All new cars sold in the UK and Europe will be fitted with technology capable of detecting when drivers are affected by drink or drugs. 9 May 2026 All new cars sold in the UK and Europe will be fitted with technology capable of detecting when drivers are affected by drink or drugs amid a push to cut road deaths. New cars to monitor drivers for signs of drink and drug use From July 7, manufacturers will be required to install advanced Driver Monitoring Systems (DMS) in new vehicles.