Smart Start Ignition Interlock

Herzog Automotive
415 S 10th Ave
Sterling, CO 80751

#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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I consent to 1A Smart Start LLC and/or its franchisees' reaching out to me multiple times on an ongoing basis using telephone, text and/or email, including autodialed and prerecorded calls and texts, about our products, services, promotions, and other offers. This consent is not required to purchase goods or services. To opt-out of text messages reply "STOP", and to opt-out of emails click the unsubscribe link in the email. For texts, text "HELP" for help.

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By providing my information and clicking “Book Your Install Now,” I authorize [Insert Legal Name of Franchisee, distributor, or affiliate] to contact me at the phone number above via phone and/or text using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, reply “STOP”.

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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.

FIND A LOCATION

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.

TALK TO A PROGRAM ADVISOR

#1 Ignition Interlock Device Provider at Herzog Automotive in Sterling

With Smart Start, our pricing is straight-forward. There are no hidden fees or long-term contracts. Our qualified service technicians make installation easy and stress-free. Smart Start Interlock Devices are easy to use and discreet, making us the best choice for your Ignition Interlock program. If you have any questions, our 24/7/365 Customer Care Center is available to assist you anytime, anywhere.

Herzog Automotive off 415 South 10^th Avenue in Sterling, Colorado has been a Smart Start Ignition Interlock provider for more than 10 years. The team at Herzog Automotive is friendly and is a family-owned business with excellent customer service. Come to Herzog Automotive for all your Ignition Interlock needs in the Sterling area!

Call us to schedule an installation appointment at (800) 831-3299. Can’t talk over the phone? Fill out our quick and easy online form.

You can also find more Smart Start locations in the Sterling 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 a photo identification (ID) and your vehicle registration. It may also be helpful to bring any documents that have been provided to you by the Colorado Division of Motor Vehicles.

You may service your Smart Start Ignition Interlock Device at any Smart Start service center in Colorado. In most cases, you may also service your IID at a Smart Start service center in another state if needed. However, we strongly suggest checking with your state authority before doing so. Find the nearest Smart Start service center here.

Colorado requires that your Ignition Interlock Device (IID) be serviced every 60 days.

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

A skipped rolling retest
Tampering with the Ignition Interlock Device in any way
Any breath sample that registers a BrAC above .025 percent

Learn more about Ignition Interlock Device violations.

In Colorado, 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 15, 2025

"Susan was very knowledgable, professional, and kind in handling my Smart Start enrollment"

Mark H.

United States

December 14, 2025

"La persona que me atendió fue muy servicial y me supo explicar bien. "

Jhoan P.

United States

December 14, 2025

"SHE WAS VERY HELPFUL!!!!!"

Angela M.

United States

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Find a location near you!

Smart Start Ignition Interlock

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

Or Call (800) 831-3299 Now!

¡O llame ahora al (800) 831-3299!

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

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at Herzog Automotive in Sterling

Frequently Asked Questions

Get Started

Locations

Support

Partners

Contact Us

Find a location near you!

Smart Start Ignition Interlock

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?We can get you a quote faster if you fill out the information below.

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

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at Herzog Automotive in Sterling

Frequently Asked Questions

How much does an Ignition Interlock Device cost in Colorado? What are the fees?

What do I need to bring to my installation in Sterling?

Where can I go for service? Anywhere, or just within my state?

How often does my IID need to be serviced in Colorado?

What constitutes a violation in Colorado?

How can I pay for calibration?

See What Everyone Says About Our Ignition Interlock

Get Started

Locations

Support

Partners

Contact Us

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.