An ignition interlock device is an in-vehicle breath testing system that prevents a vehicle from starting if the driver provides a breath sample showing alcohol above the programmed threshold. The device requires periodic samples while driving and records attempts, failed tests, and maintenance events. In Mississippi, courts and the Department of Public Safety use device reports to monitor compliance with ordered driving restrictions. For Walnut Grove residents, understanding how the device records data and how those records are used in administrative or court settings is important for managing obligations and responding to notices. If you receive an interlock order, you will typically be directed to an approved vendor for installation and scheduled calibrations. The device data is periodically submitted to relevant authorities and can influence the duration of the order or prompt additional action if violations are reported. Keeping clear documentation of all vendor interactions and maintenance appointments is essential to address disputes. Legal review can identify whether reported events reflect true violations or equipment or reporting issues that warrant correction.