How to use an ignition interlock device

Turning car key in ignition and holding interlock device

Turn your key, or press start, and the device will power up.

Young man using car breathalyzer

Take a deep breath in, then blow.
When you hear a tone, take a deep breath in again.

Young man passing car breathalyzer test

When the display shows “Test Passed”
start your engine and go!

Find the support you need for your interlock device

Interlock Device User Manuals & How-To Videos
How to Handle a Car Repair with an Interlock Device
How to Prepare for Your Ignition Interlock Installation
Maintenance & Calibration
A Guide to Ignition Interlock Calibration with Draeger Interlock
What Are The Ignition Interlock Violation Penalties
What to Do in Case of an Interlock Device Lockout
Ignition Interlock Device Cost
When Can I Get My Interlock Removed?
Frequently Asked Questions
State & Local Laws
In Case of Lockout or Violation
Call our Customer Service 24/7

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