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Ignition interlock devices work: Here's why

You love driving in your area. The local area has lots to see and do. Unfortunately, not everyone pays attention to the roads, and now you have injuries as a result.

The shock of finding out that the driver was intoxicated is just another thing that you have to come to terms with. Now, you want to know that the driver won't be able to drive drunk on the roads again. One thing the courts may do is to require the driver to use an ignition interlock device.

Do ignition interlock devices work?

These devices work well, but they aren't completely foolproof. Typically, the device will not allow the car to turn on until the driver blows into the unit and has a blood alcohol concentration below 0.08 percent. Of course, there is a possibility in some cases that another party could blow into the unit to start the car for the intoxicated driver.

One way the device manufacturers combat this dishonesty is by making drivers take rolling retests. When you take a rolling retest, it means you're taking a breath test while you drive. It is much more difficult for someone else to manipulate the results of a breath test when a rolling retest is required.

If the driver fails the rolling retest, the vehicle may have its alarms set off. The lights may begin to flash. Essentially, it puts out an alert that you failed and continues until you pull over and turn it off. The driver then can't start the car again until he or she passes the test.

As someone who has been hurt by a drunk driver, understand that an ignition interlock device is one way the courts make sure no one else will end up in your situation. It's only one of the penalties the driver faces.

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