KRS 189A.345: Ignition Interlock Devices in Kentucky

What Is KRS 189A.345?

KRS 189A.345 governs ignition interlock devices in Kentucky DUI cases. Interlocks have transformed Kentucky DUI law by allowing many offenders to continue driving — legally — during what would otherwise be a complete license suspension. People in Lexington and Louisville facing DUI charges should understand how this statute can help.

What Is an Ignition Interlock Device?

An ignition interlock is a breath alcohol testing device installed in your vehicle that:

Tests your breath before the engine will start
Prevents starting if alcohol is detected
Requires periodic “rolling” re-tests while driving
Records all tests and failures
Reports data to monitoring authorities

When Is an Interlock Required?

Under KRS 189A.345, interlocks may be required:

As a condition of a hardship license following DUI
For repeat DUI offenders
For high-BAC first offenders (0.15+)
For test refusal cases

How Long Do You Need It?

The duration depends on the offense:

1st offense aggravator: typically 6 months minimum
2nd offense: typically 12-18 months
3rd offense: typically 24-36 months
4th offense: longer periods or permanent

Costs and Responsibilities

Installation fee: $75-150
Monthly monitoring fee: $50-100
Removal fee: $50-100
You’re responsible for keeping the device functional
Tampering with the device is a separate criminal offense

What Counts as a Violation?

Failed breath tests
Missing required re-tests
Driving without using the device
Tampering with or attempting to bypass
Allowing someone else to blow into the device

Clark + Harris Helps with Interlock Cases

An experienced DUI attorney can help you navigate interlock requirements and address violations. Call 859-474-0001 — 24/7.

Frequently Asked Questions

How soon should I contact Clark + Harris after being charged in Kentucky?

As soon as possible. Early representation protects your rights during questioning, preserves evidence, and often leads to better outcomes. Call 859-474-0001 — we respond promptly to new inquiries.

Does Clark + Harris represent clients throughout Kentucky?

Yes. We represent clients in all 120 Kentucky counties, both state District and Circuit courts, and federal courts in the Eastern and Western Districts of Kentucky.

What happens during a free consultation with Clark + Harris?

We review the specific charges and evidence, discuss available defenses, explain the likely process in the relevant court, and give you a clear roadmap of next steps — at no cost to you.

Related Resources

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