Reader’s Question:
My daughter is in trial right now because of a DUI charge here in Illinois. Aside from the grueling fact that she might be paying a hefty fine, I was told that she would have to install an ignition interlock device in her car if she will be convicted. What is this machine and how much does it cost?
Steve
Naperville, IL
An ignition interlock device measures blood alcohol content (BAC) level of the driver by blowing into it and if alcohol is detected, it prohibits the car from starting. It would also test drivers periodically while the car is running.
The ignition interlock law in Illinois for DUI convicts is being called the most stringent in the country. It was mandated in September 2007 for people with one drunk driving conviction in the state. So even first-time DUI offenders are required to install ignition interlock devices in their vehicles. The Secretary of State’s office will monitor all breath test results from the ignition interlock devices.
Under the new Illinois ignition interlock law, the ignition interlock device would be rented and cost $150 to install. The monthly fee would be $100, just another reason to not drive under the influence of drugs or alcohol. This monthly cost would cover monitoring by the Secretary of State’s office and the ignition interlock manufacturer.

