Smart Start Ignition Interlock

Red Rock Automotive LLC

3406 I-30 Frontage Rd
Bldg B
Caddo Mills, TX 75135

#1 Ignition Interlock from $1.99/day

No Long Term Contracts

Same-day installation available

(903) 361-4040

Book your install now

Hours of Operation:

Day	1st Hour Block	2nd Hour Block
Sun	Closed
Mon	9:00am - 5:00pm
Tue	9:00am - 5:00pm
Wed	9:00am - 5:00pm
Thu	9:00am - 5:00pm
Fri	9:00am - 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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Interested in an IID ASAP (within 7 days)

I eventually need an IID (in MORE than 7 days)

I am a current customer and need customer service

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Or Call (903) 361-4040 Now!

¡O llame ahora al (903) 361-4040!

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 Red Rock Automotive LLC in Caddo Mills

Name: Red Rock Automotive LLC
Address: 3406 I-30 Frontage Rd, Bldg B, Caddo Mills, TX, 75135, US
Telephone: (903) 361-4040
Rating: 5

Need an Ignition Interlock in Caddo Mills? 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 Caddo Mills, TX is located at Red Rock Motors, LLC off 3611 S Interstate 30.

Call in today at (903) 361-4040 or fill out our online form to schedule your installation appointment. Be sure to ask about any current state specials or discounts! Look for other convenient Smart Start locations in Caddo Mills, Greenville, Nevada, Royse City, or throughout Texas.

(903) 361-4040

Frequently Asked Questions

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

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.

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

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

What do I need to bring to my installation in Caddo Mills?

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.

How can I pay for calibration?

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.

What constitutes a violation in Texas?

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.

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

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

Crumpton TV & Video, Inc.

8602 Wesley St
Greenville, TX 75402

CLOSED – Opens at 8:00am Mo

Services at this Location:

Installations, Calibrations

(903) 259-3983 More Details

Major League IID

5624 Copeville West Rd
Nevada, TX 75173

CLOSED – Opens at 07:00:00 - 12:00:00 Tu

Services at this Location:

Installations, Calibrations

(972) 324-3865 More Details

Texas Tint & Audio

1008 W Moore Ave
Terrell, TX 75160

CLOSED – Opens at 9:00am Mo

Services at this Location:

Installations, Calibrations

(972) 210-3179 More Details

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

February 14, 2026

"The lady who was on the phone with me was very kind and very helpful "

Elijah A.

United States

February 14, 2026

"Tracy was a great help, she understood well what I was asking for, made notes and helped me get one step ahead on getting my interlock installed, she had the best attitude and understanding I look forward for the promises that she gave to come tru Great job Tracy"

Osvaldo G.

United States

February 14, 2026

"The woman I spoke with was helpful, knowledgeable and made the process of setting up and getting steered super easy. "

CS.

United States

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Find a location near you!

Red Rock Automotive LLC

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 (903) 361-4040 Now!

¡O llame ahora al (903) 361-4040!

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 Red Rock Automotive LLC in Caddo Mills

Frequently Asked Questions

Nearby Locations

Crumpton TV & Video, Inc.

Services at this Location:

Major League IID

Services at this Location:

Texas Tint & Audio

Services at this Location:

Get Started

Locations

Support

Partners

Contact Us

Find a location near you!

Red Rock Automotive LLC

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 (903) 361-4040 Now!

¡O llame ahora al (903) 361-4040!

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 Red Rock Automotive LLC in Caddo Mills

Frequently Asked Questions

Nearby Locations

Crumpton TV & Video, Inc.

Services at this Location:

Major League IID

Services at this Location:

Texas Tint & Audio

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.