Smart Start Ignition Interlock
Smart Start of Lewisville1047 E Hwy 121 Business
Suite D6
Lewisville, TX 75057
#1 Ignition Interlock from $1.99/day*. Same-day installation available
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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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 COSTS3,000+ Locations - Same Day Install
Quick installs by skilled technicians at convenient U.S. locations.
FIND A LOCATIONDiscreet, Easy-to-Use Devices
Reliable, hygienic devices with guided tests and easy English-Spanish switching.
SMART START DEVICES24/7 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 Smart Start of Lewisville in Lewisville
Smart Start Lewisville is located conveniently right off TX Business Hwy 121. Why is Smart Start Lewisville the cheapest? We are affordable and won’t surprise you with hidden fees or monthly contracts. We put our customers first, and will provide the best care to you and your vehicle. Plus, our bilingual, customer care service is available 24/7/365, including weekends and holidays – we look forward to serving you!
Call and schedule your Smart Start Interlock appointment at (972) 236-8370 or fill out our quick and easy online form. Look for other convenient Smart Start locations in Lewisville, Addison, Carrollton, Coppell, Corinth, Denton, DFW, Flower Mound, Frisco, Grapevine, Highland Village, The Colony, or throughout Texas.
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
H&H Motor Co
730 S Mill St
Lewisville, TX 75057
OPEN NOW – Closes at 5:30pm
Services at this Location:
VAPOR VERSE
982 North Garden Ridge Blvd
Lewisville, TX 75077
OPEN NOW – Closes at 7:00pm
Services at this Location:
Sign Up, Manage Account, Informational Videos
RIDER AUTO CARE
2450 Old Denton Rd
Carrollton, TX 75006
OPEN NOW – Closes at 6:00pm
Services at this Location:
Sign Up, Manage Account, Informational Videos
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