Ignition Interlock Device

An ignition interlock device is a breathalyzer that prevents a car from starting if alcohol is detected. It may be required as part of your DUI terms.

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What to Expect

  • You are required to blow into the mouthpiece on the device before starting the car.
  • The car will start if your breath alcohol content (BAC) is below the limit set by the state.
  • Once the car is started, you are required to test randomly while the car is running.

Ignition Interlock FAQs

Why do I need a provider for an ignition interlock?

An ignition interlock service provider will install the device into your car. They will also show you how to use it properly.

Does the device require any maintenance?

Yes. Ignition interlock devices are required to go through routine calibration inspections, which will be done through your service provider.

What should I look for when choosing a service provider?

Make sure the ignition interlock provider you choose has a good service record and a reliable product. We suggest asking the provider to explain your compliance requirements.

Will I be stranded if the device malfunctions?

Yes. Look for interlock providers that offer 24-hour mobile assistance and guaranteed response time.

How much does the device cost?

Prices vary. Inquire with your provider about additional fees for services such as removal or reinstall for switching cars, missed or late appointments, violations, maintenance, etc.