Can Others Drive Your Car with an Ignition Interlock?

DUI ·
October 04, 2024
Can Others Drive Your Car with an Ignition Interlock?

If you’ve been required to install an alcohol ignition interlock device (IID) in your vehicle due to a DUI conviction, you may wonder about the rules surrounding its use. One common question is whether someone else can drive your car while the IID is installed. Understanding the regulations is crucial, as violating them can lead to severe penalties, including the potential loss of your driving privileges.

It’s essential to know that while IIDs are designed to prevent alcohol-impaired driving, the laws surrounding their use can be complicated. You need to ensure compliance to avoid ignition interlock violations that could impact your case or your ability to drive legally. If you’re unsure about what to do or have questions about the implications of allowing someone else to drive your IID-equipped vehicle, don’t hesitate to reach out. Contact our Wheaton DUI defense lawyers today at (847) 359-4005 to schedule a consultation and get the guidance you need to protect your rights and driving privileges.

How Does an Ignition Interlock Device Work?

An ignition interlock device (IID) is a breathalyzer installed in a vehicle to prevent individuals with certain driving restrictions, typically due to DUI convictions, from operating the vehicle while under the influence of alcohol. Here’s how it works:

a man blowing into a baiid to start his car
  • Installation: The IID is installed in the vehicle’s ignition system by a certified technician. It is connected to the vehicle’s ignition and may also be integrated with other systems.
  • Taking a Breath Test: Before starting the vehicle, the driver must blow into the IID. The device measures the blood alcohol concentration (BAC) from the breath sample.
    • Pass: If the breath sample shows a BAC below the preset limit (usually 0.02% or 0.03%), the device allows the driver to start the interlock-equipped vehicle.
    • Fail: If the BAC is above the limit, the IID prevents the engine from starting, and the driver must wait for a predetermined period before trying again.
  • Ongoing Testing: While the vehicle is in operation, the IID may require random retests at intervals (usually every 15 to 30 minutes). If a driver fails a retest, the device may record the failure and could also disable the vehicle.
  • Data Logging: The IID records all breath test results, including successful passes, failures, and any attempts to start the vehicle. This data is periodically downloaded and reviewed by monitoring authorities, such as the court or DMV.
  • Calibration and Maintenance: Regular maintenance and calibration are required to ensure accurate readings. Users must have the IID serviced at specific intervals (usually every 30 to 60 days), during which the device’s data is also reviewed.
  • Removing the Device: Once the individual has completed the mandated IID program requirements, they can request the removal of the device. This typically involves proving compliance with the program, including no failed tests or other violations during the required monitoring period.

The alcohol interlock device serves as a crucial tool for promoting road safety and reducing the likelihood of repeat offenses among individuals with DUI convictions. By enforcing alcohol testing before vehicle operation, IIDs aim to deter impaired driving and protect public safety.

All Drivers Must Use the Device

If your car has an ignition interlock device (IID) installed, any driver operating the vehicle must use it, regardless of who they are. The ignition interlock requires all drivers to provide a breath sample before starting the car, and often requires additional breath tests while driving to ensure the vehicle is being operated sober.

Learn More: How Much Does a BAIID Cost?

This means that if someone else needs to drive your vehicle, they will also have to blow into the interlock device. If they fail to do so or if they fail a test, the IID will log the incident, which may lead to consequences for you, as the vehicle owner. It’s important that anyone driving your car understands how to properly use the interlock device and the responsibilities that come with it.

What Happens if Another Driver Fails an Ignition Interlock Test in Your Car?

If another driver fails an ignition interlock test in your car, it can have significant consequences for you as the vehicle owner. The ignition interlock device (IID) records every breath test result, including the date, time, and outcome. Here are some potential outcomes if someone else fails the test:

Record of Violation

A failed test is logged by the IID and reported to the monitoring authority—usually the court or the state agency overseeing your case. The report will show a violation, even if you weren’t the person behind the wheel.

Potential Penalties for You

You may face legal penalties for the failed test, even if you were not the current driver. This could include extended IID requirements, additional fees, or further legal consequences depending on the terms of your ignition interlock program. Some jurisdictions have a strict policy that holds the car owner accountable for any violations, regardless of who was driving.

a woman starting a car with a baiid

Recalibration and Lockout

Depending on the device settings, a failed test may require a recalibration, which could mean a trip to the service provider to reset the device. In some cases, the vehicle may also enter a lockout mode, preventing it from starting until the recalibration is completed.

Impact on Compliance Status

A failed test can impact your compliance status with the ignition interlock program. It may delay your ability to have the device removed and regain full driving privileges. Consistent violations could lead to more severe legal consequences or even probation violations, if applicable.

Responsibility of Drivers

It is crucial to ensure that any other driver using your car understands the IID requirements and their responsibilities when operating the vehicle. The consequences ultimately affect you, so it’s best to minimize the risk of violations by only allowing responsible, sober drivers to use the car.

To avoid such issues, it’s wise to explain the IID process to anyone who may drive your vehicle and make sure they understand the importance of passing the interlock tests.

Ensure Compliance with Ignition Interlock Laws

If you have questions about whether someone else can drive your car with an alcohol ignition interlock device, it’s important to understand the legal requirements and risks involved. Navigating these restrictions can be confusing, and a mistake could lead to serious consequences.

To make sure you’re fully informed and avoid any legal issues, reach out for expert legal advice. Contact us today to schedule a consultation, and let us help you stay compliant while maintaining your freedom to drive.