Schedule an Interlock Device Installation in Hayward, CA

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& get back on the road


  • California’s #1 Ignition Interlock Program
  • Low-price, with no hidden fees
  • Fast installation with same-day available
  • 24/7/365 Customer Care – Se hablamos Español



It only takes a moment to get your personalized quote.

Get a quick and easy IID installation with Smart Start! Get started today!

¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!

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Ignition Interlock in Hayward: We're Always Here for You

If you’re searching for a car breathalyzer after a DUI, we offer the best Ignition Interlock Device. We will help you successfully complete your car breathalyzer requirement with support from caring, compassionate specialists who understand everything you need to know about Ignition Interlock in California.

However, you’ll be getting more than just a car breathalyzer. We’ll be with you right from the beginning with the services and support you need. The cheapest Ignition Interlock program in Hayward, California, includes 24/7/365 Customer Care that makes your Ignition Interlock program as easy as possible.

Schedule an installation appointment now in the Bay Area.

Locations near Hayward, California

Let’s get started with an installation that fits your schedule, at one of the convenient Ignition Interlock locations in Oakland below.

  • TLS Automotive Electrical

    3824 Union St
    Unit 1
    Fremont, CA 94538

    Installation & Service Appointments

Why Choose Smart Start Ignition Interlock?

No equipment to buy. No hidden charges. No long-term contracts.

We offer the best Ignition Interlock Devices in the United States at the lowest price. You’ll know the cost from beginning to end, with no high pressure or double-talk.

Fast, convenient installation. Get an installation appointment that fits your schedule.

We’ll find a service center near you, often with a same-day appointment. Our certified professional technicians are committed to customized, quality California IID installation.

Old, new, gas, electric, high performance, or low profile. We install on all.

Whether you’ve got an older vehicle or the latest electric model, there’s nothing our certified professional technicians can’t handle. Our car breathalyzers are the perfect fit for all types of motor vehicles.

Small, discreet, easy to use. Ignition Interlock shouldn’t be difficult.

Our attractive, handheld car breathalyzer is about the size of a cellphone, with an intuitive keypad and display. You’ll get hands-on training to make sure that it’s easy to blow and go.

Quick calibration. Easy service. More drive-through locations than anyone.

California State Laws will require your IID to be serviced and calibrated on a regular basis. Our calibration appointments usually take about 15 minutes at any nearby locations.

Flexible payment options. Easy autopay. Take advantage of our Client Portal.

Everyone’s budget is different. That’s why we offer weekly, monthly, or bi-monthly payments, plus an autopay option. Set it up through our Client Portal app (or go online).

You’ve got questions. We’ve got answers. 24/7/365 multilingual Customer Care.

There’s always somebody who can help when you have a question about your car breathalyzer, your account, monitoring laws, or anything else with your device.


What is the average cost of an Ignition Interlock in Hayward, California?

Exact IID prices vary by state, but you can find our current pricing on our California Ignition Interlock Cost page. We’re committed to providing you with the lowest cost and no hidden fees. Our expert Program Advisors are also available to provide you with a custom quote and schedule your installation today!

What do I need to bring for my appointment?

Bring a photo ID and proof of residence in the form of a document verifying your address. You may also be asked to bring any documents that pertain to your case, depending on the state in which you or your program are located. If any other documents are required in California, one of our friendly Program Advisors will let you know.

What are the Interlock laws in Hayward?

During a DUI in Hayward, California, your license may be confiscated if:

  • Your blood alcohol concentration (BAC) level was .01 during DUI probation
  • Your BAC level was .04 while driving a commercial vehicle
  • Your BAC level was .08 or higher while driving a noncommercial vehicle
  • You refused a breath test

The state of California requires car breathalyzers following all DUI cases.

What is considered an Interlock Device violation in Hayward?

In Hayward and the state of California, any and all of the following may constitute a violation:

  • Having a breath alcohol concentration above the state-dictated level
  • Skipping a rolling re-test
  • Attempting to circumvent or tamper with the device
  • Failure to go in for service

Will my device require service?

State law dictates that your Ignition Interlock Device (IID) needs to be serviced every 30-60 days.

Will the device damage my car?

No, Smart Start’s Ignition Interlock Device (IID) will not hurt your vehicle in any way. Our service technicians are the best in the business and are able to install on all vehicles, even hybrids and electric cars!

What is needed to get my device removed?

In order to remove your Ignition Interlock Device (IID), you will need authorization from California and/or the DMV. Once authorized, you can call Smart Start to verify your eligibility for removal and schedule your appointment.

Do I need a device on all my vehicles?

Yes, California law states that any vehicle you drive during your requirement must have an Ignition Interlock Device (IID) installed.  Additionally, any vehicle registered to you will also need to have an IID installed.

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