Smart Start Ignition Interlock

Danz Auto Works
474 Private Road 4181
Decatur, TX 76234

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

Book your install now

Hours of Operation:

Day	1st Hour Block	2nd Hour Block
Sun	Closed
Mon	8:00am - 5:00pm
Tue	8:00am - 5:00pm
Wed	8:00am - 5:00pm
Thu	8:00am - 5:00pm
Fri	8:00am - 5:00pm
Sat	Closed

Services at this Location:

Installations
Calibrations

Book an Installation

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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By providing your information and clicking “Book Your Install Now”, I authorize 1A Smart Start LLC and it’s franchisees’ to contact me at the phone number and/or email address above via phone, text, and/or email 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, replay “STOP,” and to opt-out of emails click the email unsubscribe link.

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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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Fast-Track Your Installation

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We can get you a quote faster if you fill out the information below.

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Or Call (833) 404-3053 Now!

¡O llame ahora al (833) 404-3053!

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 Danz Auto Works in Decatur

Need an Ignition Interlock in Decatur? Get back on the road with Smart Start, Texas’s ultimate Ignition Interlock Device provider. We make your Ignition Interlock program simple, affordable and reliable with 24/7/365 customer service and easy, quick tests. You’ll receive hands-on training with our friendly, licensed technicians until you are comfortable testing with your Ignition Interlock.

We look forward to serving you! Smart Start Decatur, TX is located at Danz Auto Works off 474 Private Road 4181.

Call in today at (833) 404-3053 or fill out our online form to schedule your installation appointment. Be sure to ask about any current state specials or discounts!

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.

Texas mandate dictates that you will need to service your Ignition Interlock Device (IID) once every 30-67 days as determined by your jurisdiction.

Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring the following to your IID installation appointment:

Two forms of photo identification
Any and all court paperwork that has been given to you
Proof of residence
Car insurance and vehicle registration

If the vehicle is not yours, you will need to provide a letter of permission from the owner of the vehicle stating that you are allowed to install an Ignition Interlock Device.

In Texas, 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.

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

Testing at or above the fail level of .030
Skipping or failing a rolling re-test
Missing your scheduled IID service appointment

Learn more about Interlock Device violations.

Texas state law dictates that you can service your Ignition Interlock Device at any Smart Start service center nationwide unless informed otherwise by your State authority. Find the nearest Smart Start service center here.

Nearby Locations

271st Judicial District CSCD

105 E Walnut
Decatur, TX 76234

OPEN NOW – Closes at 6:00pm

Services at this Location:

(866) 509-0880 More Details

Now Go Automotive

2023 Illinois St
Rhome, TX 76078

OPEN NOW – Closes at 3:00pm

Services at this Location:

Installations, Calibrations

(833) 407-3596 More Details

Texas Safe Drivers

1150 Blue Mound Rd W
Haslet, TX 76052

OPEN NOW – Closes at 5:00pm

Services at this Location:

(833) 574-0536 More Details

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

June 19, 2025

"Rahsheen was very helpful and patient with my specific situation. She was extremely kind and explained everything so it made sense. "

Addie.

United States

June 19, 2025

"Simple process, pleasant agent."

B G.

United States

June 19, 2025

"Well given the nature for the existence of your company, I'm shocked to say the customer service experience was friendly and exceptional. "

Justin K.

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 (833) 404-3053 Now!

¡O llame ahora al (833) 404-3053!

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 Danz Auto Works in Decatur

Frequently Asked Questions

Nearby Locations

271st Judicial District CSCD

Services at this Location:

Now Go Automotive

Services at this Location:

Texas Safe Drivers

Services at this Location:

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 (833) 404-3053 Now!

¡O llame ahora al (833) 404-3053!

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 Danz Auto Works in Decatur

Frequently Asked Questions

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

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

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

How can I pay for calibration?

What constitutes a violation in Texas?

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

Nearby Locations

271st Judicial District CSCD

Services at this Location:

Now Go Automotive

Services at this Location:

Texas Safe Drivers

Services at this Location:

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.