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Understanding Colorado's ignition interlock restircted license

An ignition interlock device is installed on vehicles by the order of the court to keep individuals from operating a vehicle when they are under the influence of alcohol. In order for the engine to start, the driver must give a breath sample. That is also required at times when driving. If there is alcohol detected, then the vehicle will not start.

In Colorado, you must have an ignition interlock device to drive if you have been arrested for DUI or you refused to submit a sample of breath, blood or urine for chemical testing. In addition, if you have been convicted of three qualifying offenses in a seven-year period, your license will be revoked for five years. Some qualifying offenses include:

-- DUI

-- Driving while your license is suspended or revoked

-- Driving while ability impaired

-- Reckless driving

-- Vehicular assault

-- Vehicular homicide

If you are supposed to be using a vehicle with an interlock device and you are caught driving a vehicle that doesn't have one, you could face a license revocation for a year. Some of the requirements when you have an interlock device include having to have the device serviced every 60 days, no more than two instances in 12 months in which your vehicle wouldn't start due to the device detecting alcohol and ensuring that your interlock lease remains in effect while the interlock device is required.

These are some of the most important points about ignition interlock devices in Colorado. Your attorney can help you fight charges in which an interlock device might be required upon conviction. He or she can provide you with more information on your legal options.

Source:, "Ignition Interlock Restricted License," accessed Sep. 23, 2016

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