Smart Start Ignition Interlock
Auto Definitons715 S Murphy St
Stillwater, OK 74074
#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 Auto Definitons in Stillwater
Need an Interlock Device? Smart Start offers excellent customer service and the best Interlock Device on the market. Installation is convenient with nearly 2,000 locations nationwide, and licensed and qualified service technicians provide you with the hands-on training you need to get back on the road. Our Customer Care Center is available 24/7/365 to assist you with any questions or concerns. You can find us next to the Sonic Drive-In and Bill Knight Ford of Stillwater. We look forward to serving you!
Call (580) 453-3497 today to schedule your installation appointment with Smart Start. Can’t talk over the phone? Fill out our quick and easy online form. Look for other convenient Smart Start locations in Stillwater, Ponca City, 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
AHO Audio
2550 E Seward Rd
Guthrie, OK 73044
CLOSED – Opens at 10:00am Th
Services at this Location:
Installations, Calibrations
Oklahoma Court Services
111 N Sandy Lane
Chandler, OK 74834
CLOSED – Opens at 8:00am Th
Services at this Location:
Sign Up, Manage Account, Informational Videos
Bold Automotive Solutions
13035 Kelly Avenue
Edmond, OK 73025
CLOSED – Opens at 8:00am Th
Services at this Location:
Installations, Calibrations
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
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
July 10, 2025
"Very helpful and courteous!"
Victor Hernandez.
United States