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DUI Penalties: Ignition interlock devices

On Behalf of | Nov 10, 2020 | DUI Charges | 0 comments

People convicted of or who plead guilty to driving under the influence may face several consequences. In addition to a suspension of their driving privileges, fines and jail time, the court may order drivers to have ignition interlock devices installed in any vehicles they own or operate. 

Understanding how ignition interlock devices work and their requirements under the program may help drivers protect themselves and their rights. 

How do IIDs work?

According to the Arizona Department of Transportation, a type of breath-analyzing instrument, ignition interlock devices install into the dashboard of vehicles and wire to their ignitions. IIDs also come equipped with a GPS and a camera. 

To start up their cars, drivers must provide a breath sample by blowing into the device. If they have a blood alcohol concentration level of more than 0.020%, then their vehicles will not start. While the device cannot shut off the vehicle once running, it requires drivers to provide subsequent breath samples at random intervals which it logs for monitoring. The device also logs failures by drivers to submit these subsequent samples. 

What happens if drivers fail IID tests?

According to ADOT, ignition interlock devices log and transmit real-time data to the department. This includes violations of the program, such as missed calibration appointments, failed breath tests, missed retests, early disconnection of a device, acts to tamper with or circumvent the device. Should drivers commit such violations, they may face a suspension of their IID license, which may impact their ability to operate motor vehicles for an extended period of time, or they may have the term of their IID requirement extended.