Smart Start Ignition Interlock

Harris Automotive
640 E Old Linden Rd
Show Low, AZ 85901

#1 Ignition Interlock from $1.99/day*. Same-day installation available

Or call (800) 831-3299

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With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.

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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Or Call (800) 831-3299 Now!

¡O llame ahora al (800) 831-3299!

Why Choose Smart Start Ignition Interlock?

From $1.99/Day* - No Long-Term Contracts

Bi-weekly payment options designed to fit your budget.

IGNITION INTERLOCK COSTS

3,000+ Locations - Same Day Install

Quick installs by skilled technicians at convenient U.S. locations.

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Discreet, Easy-to-Use Devices

Reliable, hygienic devices with guided tests and easy English-Spanish switching.

SMART START DEVICES

24/7 Knowledgeable State Program Experts

Multilingual support trusted by over 1 million people, ready when you need us.

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#1 Ignition Interlock Device Provider at Harris Automotive in Show Low

Smart Start has 25 years’ experience in the industry and nearly 2,000 convenient locations nationwide. We work hard to give you the most affordable price and best customer service. Installation is easy, fast, and includes hands-on training. If you have any questions or concerns our Customer Care Center is available to help you. Find us near Holsum Bakery and the Sonic Drive-In!

Feel free to call us today and schedule an installation appointment at (800) 831-3299 or fill out our quick and easy online form. You can also check here for other Smart Start locations in the Show Low area.

Frequently Asked Questions

The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees. Exact pricing varies by state. To get a quote today, call (800) 831-3299 to speak with a friendly Program Advisor.

Once you have scheduled your Ignition Interlock Device (IID)  installation with Smart Start, you will need to bring your photo ID and your letter from the Arizona Motor Vehicle Department (MVD), Admin Per Se, or Court Orders to your IID installation appointment. You will also need to bring your title and/or registration. If the vehicle is not in your name, the registered owner needs to be present at the time of installation and must complete a “Consent to Install” form for you.

Arizona state law dictates that you can service your Ignition Interlock Device at any Smart Start service center nationwide. Find the nearest Smart Start service center here.

Arizona mandate dictates that you will need to service your Ignition Interlock Device (IID) once every 30-90 days as determined by your jurisdiction or the MVD.

In the state of Arizona, any and all of the following may constitute as a violation:

Failed Breath tests: 2 samples over the legal limit (.08) at any time during the entire interlock requirement if over age 21. 1 sample over the legal limit (.08) at any time during the entire interlock requirement if under age 21. Any test in which the breath sample has alcohol content exceeding .02, the vehicle will not start.
Tampering with the Ignition Interlock Device (IID)
Failed or missed 3 consecutive rolling re-tests
Operating a vehicle without an Ignition Interlock Device
Disconnecting or removing a device early
Missed a scheduled 90 day calibration appointment

Learn more about Ignition Interlock Device violations.

In Arizona, you can pay for your Interlock Device calibration via credit card at the Smart Start service center at the time of calibration or via the online Client Portal.

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

December 10, 2025

"Very professional attitude "

Willie Moses.

United States

December 10, 2025

"My experience was the wonderful the lady that assisted me with my decision to use the company, I am quite pleased so far so good, but I will also like to take the time to give kudos to the young lady that assisted me with getting the things started that I need to get done here in Omaha, Nebraska she assisted me with getting my payment information and who I can go to in Omaha Nebraska, close to my house and so I do appreciate everything that she has done for me and if there’s a way for you to find out who she is I’m sure you can tell her I said thank you very much again"

Melody J.

United States