The car ignition interlock device is an alcohol breath analyzer attached to the vehicle’s ignition system
As part of a drunk driving conviction, the court may order the offender to install a car ignition Interlock Device as a condition of the offender’s probation.
To start the vehicle, the DUI offender must first blow into the device. The device is programmed to detect if alcohol was consumed in the previous twelve hours. If so, the device will automatically prevent the vehicle from starting.
The price for installing an Interlock Device varies by state. As of 2022, the average interlock device installation costs between $75.00 to $100. and $80 to $90 a month for monitoring.