An ignition interlock device (IID) is a device that functions much like a breathalyzer but is installed into a vehicle. Before the driver can start the vehicle, they must blow into the device, which measures their blood alcohol content (BAC). If the BAC is above the preset threshold, the vehicle will not start, preventing the driver from operating the vehicle while intoxicated. These devices are often a condition of probation or a court order following a DUI conviction.
The ignition interlock device provides a method to prevent individuals who have been convicted of a DUI from getting behind the wheel while impaired. With the device in place, drivers must blow into the IID each time they wish to start their car. In addition to this, they may also need to provide breath samples periodically during the drive to ensure they do not consume alcohol while driving.
How Does an Ignition Interlock Device Work 
The ignition interlock device is hardwired into the vehicle’s ignition system. It works by requiring the driver to provide a breath sample before starting the vehicle. The device is designed to measure the driver’s BAC and will disable the vehicle if the BAC is above the legal limit, typically set at 0.02 percent. The driver is required to blow into the device at regular intervals while driving, to ensure they remain sober during the trip.
While the device is in use, it continuously monitors the driver’s BAC. Any attempt to tamper with the device or bypass it will be detected by the system, and the violation will be reported to the authorities. This monitoring and reporting system ensures that the driver is compliant with the terms of their court order.
When Is an Ignition Interlock Device Required in West Virginia
In West Virginia, an ignition interlock device is required in certain DUI cases as part of the court’s penalty or probation requirements. While every DUI case may be different, there are a few general circumstances where the installation of an IID is mandated by the court.
If a driver is convicted of a DUI with a blood alcohol concentration (BAC) of 0.15 or higher, they are often required to install an ignition interlock device. This is true even for first-time offenders, as the court views this high BAC level as a serious offense that necessitates additional precautions.
Harley Wagner
Defending West Virginia Residents for over 24 Years
For individuals with multiple DUI offenses, the installation of an IID is typically required as part of their sentencing. Even if the BAC was lower than 0.15 on a second or subsequent offense, the court will likely impose the installation of an ignition interlock device to help prevent future impaired driving.
In cases where DUI offenses result in injury or death, the court may impose even stricter penalties, including mandatory installation of an IID. This ensures that individuals who have caused harm or put others at risk are monitored more closely in the future.
West Virginia law also mandates the installation of an ignition interlock device in cases involving underage drivers who are caught driving under the influence of alcohol. Even if it is their first offense, minors will likely face the requirement for an IID to ensure they do not drive while impaired again.
The Role of an Ignition Interlock Device in Preventing DUI Incidents
The primary purpose of the ignition interlock device is to prevent individuals who have been convicted of DUI from operating their vehicles while under the influence of alcohol. Studies have shown that the use of IIDs reduces the number of repeat DUI offenses significantly.
The device works by physically preventing a vehicle from starting if the driver has consumed alcohol. By making it impossible to start the vehicle without passing a breath test, the IID forces the driver to take responsibility for their actions. This mechanism not only deters future offenses but also provides a level of accountability that can help individuals stay sober while driving.
The device is also beneficial in helping individuals maintain some of their driving privileges. Instead of having their license revoked for an extended period, individuals who are required to install an IID can continue to drive, provided they comply with the terms set by the court. This can help prevent the disruptions that come with losing a driver’s license, such as difficulties with employment or daily activities.
Harley and Heather gave me peace of mind as they walked me through the process of my DUI. Heather was so quick to answer even the smallest and probably irrelevant questions I had. I was extremely nervous to walk in the courtroom, but Harley made sure I was in and out of there in no time with the best deal I could think of. My DUI charge was reduced to a speeding ticket and some online DUI classes. Would absolutely recommend Harley and Heather if you’re ever in need of a lawyer.”
- Antea Jarazi
The Wagner Law Firm was amazing from beginning to end dealing with my case. This was my first time ever dealing with anything like this and they helped me tremendously and answered all my questions super fast. We got the best outcome possible for my case and I will be recommending Harley and Heather to anyone that’s ever in my situation."
- Savanna Cummings
Harley and Heather do not stop and are excellent at always keeping their clients up to date on the status of their case and never left wondering. They do all the work and are very well connected throughout the state. I will forever be grateful to both Harley and Heather for what they did for me,,,, they aren’t just another law firm, they are great people who truly care. Thank you."
- Clint Anderson
What Happens If You Fail to Comply with the IID Requirement
Failure to comply with the ignition interlock device requirements can lead to serious legal consequences. If the court orders the installation of an IID and the individual fails to comply, they can face additional charges, which may include probation violations or contempt of court.
If an individual attempts to tamper with or bypass the ignition interlock device, the violation will be reported to the court. The device is designed to detect any tampering, and the service provider who maintains the device will report any irregularities. Violating the court’s orders can lead to extended use of the IID, additional fines, or even jail time.
The court may also revoke the individual’s driving privileges if they fail to comply with the IID requirements. This could lead to a longer license suspension, which can disrupt the individual’s ability to maintain employment or fulfill other responsibilities.
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How Much Does an Ignition Interlock Device Cost
While the ignition interlock device serves an important function, it does come at a cost. The individual required to have the device installed is typically responsible for the costs, which can add up over time.
The costs associated with an ignition interlock device include the initial installation fee, as well as monthly maintenance fees. The installation fee is generally between $70 and $150, depending on the service provider. Monthly maintenance costs typically range from $60 to $100, covering calibration, monitoring, and any necessary repairs.
In some cases, the individual may also have to pay for the cost of monitoring the device. The service provider will regularly check the device to ensure it is functioning correctly, and the reports are sent to the court. If the individual violates the terms of the court order, they may also be responsible for additional fees associated with violations.
An ignition interlock device is a crucial tool in ensuring road safety and preventing future DUI offenses. If you are required to install an IID as part of your DUI sentence in West Virginia, it’s important to comply with the court’s order to avoid additional penalties. The device serves both as a deterrent to future offenses and as a means to allow individuals to maintain their driving privileges while still adhering to the terms of their sentence.
Case Results
If you are facing DUI charges and need help understanding the requirements of your case, including whether an ignition interlock device is part of your sentence, it’s important to consult with a skilled DUI defense attorney at The Wagner Law Firm. They can help you navigate the legal process and ensure that you meet all court requirements.
To learn more about this subject click here: How Ignition Interlock Devices Work in West Virginia DUI Cases
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