Smart Start Ignition Interlock
Precision Auto
803 N University DrNacogdoches, TX 75961
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?
3,000+ 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 Precision Auto in Nacogdoches
Choose Smart Start for an Ignition Interlock Device you can both afford and trust. Smart Start guarantees no hidden fees and no long-term contracts. Get back on the road safely and quickly with a low-priced, efficient, speedy testing Ignition Interlock Device. For any questions or concerns you may have, our Customer Care Center is available 24/7/365.
Smart Start Nacogdoches offers services at Precision Auto Clean, located on North University Drive next to Budget Truck Rental. We look forward to serving you!
To schedule an installation appointment today, fill out our simple online form or call us at (936) 649-3341. Look for other convenient Smart Start locations in Nacogdoches, Lufkin, or throughout Texas.
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 Nacogdoches?
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
Pure Energy Audio
704 S. Timberland Dr.
Lufkin, TX 75901
OPEN NOW – Closes at 6:00pm
Services at this Location:
Installations, Calibrations
Pinnacle Fleet Outfitters
1602 N Frisco St
Henderson, TX 75652
OPEN NOW – Closes at 5:00pm
Services at this Location:
Installations, Calibrations
Kris’ Tint & Audio
952 South Bolton St
Jacksonville, TX 75766
OPEN NOW – Closes at 5:00pm
Services at this Location:
Installations, Calibrations
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
February 24, 2026
"I was pleasantly surprised and very thankful to have reached Tracy as my consultant/advisor.
Her knowledge and patience made this entire process easier. Thank-you, Tracy!"
Cara P.
United States
February 24, 2026
"After my release, Rashina was incredibly helpful—she explained everything clearly and made me feel at ease. Great experience with her and the company."
Tan tran.
United States
February 24, 2026
"The gentleman that helped me set up my installation was very professional and caring. He made it very easy for me and also showed compassion. "
Dezmond R.
United States







