Crime and Delinquency . A Multivariate Test . January 1997, pp.42-59. Convicted drunk drivers can continue to work and run less risk of costly repeated convictions. Since the convicted drunk driver pays for their own unit, the taxpayers also save money in lowered penalty costs.
Taxpayers also save money with lowered costs for care of uninsured injured persons.
Anyone who drives. If your unit has not been mandated by the court, you can use a master key to disable it. Drivers of mandated units cannot disable the device. Parents can control when the device is used by their young drivers with a master key. Yes, if the unit is not mandated by the court.