Smart Start Ignition Interlock
Eastside Tire & Muffler LLC216 W Main St
Duncan, OK 73533
#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!
"* (required)" indicates required fields
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 Eastside Tire & Muffler LLC in Duncan
Choose Smart Start for your Ignition Interlock program in the Duncan, OK area! Our number one priority is providing supportive, friendly customer service to make your requirement with your Ignition Interlock as seamless and successful as possible. Installation is easy, pricing is straightforward, and you will be back on the road before you know it. You can always call our 24/7/365 Customer Care Center for any questions during your program, from installation to removal.
Smart Start Duncan offers their Ignition Interlock services at East Side Tire and Muffler off 216 West Main Street.
Schedule your installation appointment now by calling (580) 786-3354 or by filling out our short online form. Look for other convenient Smart Start locations in Duncan, Lawton, or throughout Oklahoma.
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.
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 in Oklahoma:
- Two valid forms of identification—one of which should include a photo of you.
- Proof of residence.
- Any and all court documents that may be relevant to your Ignition Interlock Device requirement or your restricted driving period.
- Vehicle registration. If you do not own the vehicle on which you’re installing the Ignition Interlock Device, or if that vehicle is not registered to you, you will need to bring a letter of permission from the registered owner stating that you are allowed to install an Ignition Interlock Device on the vehicle.
- The vehicle on which you’ll be installing an Ignition Interlock Device (IID).
If you have any additional questions or concerns about the installation process or what is required for a successful installation, please don’t hesitate to call our customer care team at (800) 831-3299. You can also click on the chat window below to begin a discussion with one of our customer care advocates.
You may be able to service your Ignition Interlock Device at any Smart Start service center nationwide. However, we strongly suggest checking with your state authority in Oklahoma before seeking service outside of your state. Find the nearest Smart Start service center here.
Typically, you will need to service your Ignition Interlock Device (IID) once every 30-60 days or as determined by your jurisdiction in Oklahoma.
Ignition Interlock Device violation criteria can vary by state. Any and all of the following may constitute a violation in Oklahoma:
- A skipped rolling retest
- Tampering with the Ignition Interlock Device in any way
- Any breath sample that registers a BrAC above .02 percent
- Missing your scheduled IID service appointment
Learn more about Ignition Interlock Device violations.
In Oklahoma, 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.
Nearby Locations
Court Assistance Programs, Inc.
1703 SW 11th St
Lawton, OK 73501
OPEN NOW – Closes at 9:30pm
Services at this Location:
Sign Up, Manage Account, Informational Videos
Mobile Phonix Tint & Tunes LLC
106 SW Sheridan Rd
Lawton, OK 73505
CLOSED – Opens at 9:00am Fr
Services at this Location:
Installations, Calibrations
Pit Pros Quick Lube
107 S Commerce St
Ardmore, OK 73401
OPEN NOW – Closes at 5:00pm
Services at this Location:
Installations, Calibrations
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
July 10, 2025
"It was good the representative very helpful
"
Michael O.
United States
July 10, 2025
"Terry was very informative and scheduled my appointment for the next day. I would recommend this Company to everyone."
Dave S.
United States
July 10, 2025
"Very helpful and explained everything fully, they make it easy for you to get started. "
David J.
United States