When Will a Colorado Court Require an Ignition Interlock Device?

If you’ve been arrested on suspicion of driving under the influence (DUI) in Colorado, one of the possible penalties you face if you’re convicted is the requirement of an ignition interlock device on your vehicle. An ignition interlock device attaches to your car’s ignition. It requires the driver to give a breath sample, and the sample must be free of alcohol – otherwise the car will not start.

The cost of installing, monitoring, and removing an ignition interlock device is typically paid by the person required to use it, and the costs can be steep. If you’re facing DUI charges in Colorado, it’s important to know when an ignition interlock device might be required and to discuss your case with an attorney in order to understand your rights and prepare an aggressive defense.

Colorado currently requires an ignition interlock device for eight months after a person is convicted of a first DUI, or two years if the person is convicted of a “high BAC” DUI with a blood alcohol concentration of 0.17 or greater. Two years using the device are also required for a second or third DUI conviction. For people designated “habitual offenders,” the device may be required for four years.

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