Smart Start Ignition Interlock
Smart Dash LLC
2129 S Great Southwest PkwyGrand Prairie, TX 75051
Services at this Location:
- Sign Up
- Manage Account
- Informational Videos
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 Dash LLC in Grand Prairie
Need an Ignition Interlock in Grand Prairie? 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 Grand Prairie, TX is located at Smart Dash LLC off 2129 S Great Southwest Pkwy.
Call in today at (800) 831-3299 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
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 Grand Prairie?
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
Quaker State Inspection
1802 S Carrier Pkwy
Grand Prairie, TX 75051
OPEN NOW – Closes at 6:00pm
Services at this Location:
Installations, Calibrations
Heart Fairy CPR and Diagnostics
2307 Oak Lane
Grand Prairie, TX 75051
OPEN NOW – Closes at 8:00pm
Services at this Location:
Sign Up, Manage Account, Informational Videos
Mobile Sound Systems
1908 S. Cooper St.
Arlington, TX 76013
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
March 3, 2026
"She was able to articulate and get the things done that I needed "
Leonard B.
United States
March 3, 2026
"I want to thank the young lady that helped me through the process on scheduling the appointment for me for my interlock. She also reached out to a few places to see how much would it be for installment and found a place for me that do it for free. I appreciate all your help. I forgot her name, but she know who she is. She went above and beyond so professional.thanks again for everything "
Yaritza O.
United States
March 3, 2026
"Courtney was very helpful and patient with me threw out the whole process.she was very polite and respectful."
Joshua P.
United States








