Alcohol lock system Alcolock V3 for Volvo, designed to prevent the vehicle from starting if the driver has consumed alcohol. This device includes a control module and a portable breathalyzer, connected by a coiled cable. The control module is equipped with several colored wires for easy connection to the vehicle’s electrical system. The portable breathalyzer features a digital display for showing the results and is marked with the inscription “V3” and “ALCOLOCK”. This system is essential for ensuring safety on public roads and for complying with legal regulations.