The Volvo breathalyzer lock (8320270, 8315790, KBA9724, 1874179-14) is a car safety device designed to prevent the vehicle from starting if it detects an alcohol level in the driver’s breath above the legal limit. The device consists of a main control unit and a digital breathalyzer.

The main control unit has multiple electrical connections and is marked with the codes 15019 and 3529. The digital breathalyzer has a screen to display results and a confirmation button (OK). It is connected to the main unit via a spiral cable.

Compatible with Volvo models, this breathalyzer lock system provides an additional level of safety, preventing driving under the influence of alcohol and helping to reduce the risk of road accidents.