Smart Start Ignition Interlock
Sound Depot1329 S Bishop Ave
Rolla, MO 65401
#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 Sound Depot in Rolla
If you’ve got a DUI and need an Ignition Interlock in Rolla, Missouri, Smart Start can help. Because of our long history in highway safety, we are the experts in car breathalyzers and IID programs in your area. You can find a convenient installation location near you, located off Bishop Avenue.
At Sound Depot in Rolla, service technicians have been trained to install and maintain our Interlock Devices. Their specially trained technicians will get you back on the road quickly after a quality installation, including hands-on training. They’ll also work closely with you for ongoing maintenance and, finally, removal.
Fast Ignition Interlock Installation in Rolla, Missouri
Because we’ve been providing blow-and-go devices for more than 25 years, our devices are known for their reliability. We want you to succeed in your IID program. By choosing Smart Start, you receive an Interlock Device at an affordable rate that will meet your Interlock requirements. You will also have access to our knowledgeable, multilingual customer care team ready to answer your questions around the clock.
So, schedule your installation at Sound Depot now by calling (573) 840-3376 or by filling out our online form. You'll also find additional Smart Start locations in Rolla and throughout Missouri.
Let us be your Ignition Interlock provider in Rolla and the rest of Phelps County.
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 Missouri:
- 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 Missouri 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 Missouri.
Ignition Interlock Device violation criteria can vary by state. Any and all of the following may constitute a violation in Missouri:
- 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 Missouri, 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
Outreach Consulting and Counseling Services
400 N Main
Rolla, MO 65401
OPEN NOW – Closes at 5:00pm
Services at this Location:
Sign Up, Manage Account, Informational Videos
Outreach Consulting and Counseling Services
372 Old Route 66
Saint Robert, MO 65584
OPEN NOW – Closes at 5:00pm
Services at this Location:
Sign Up, Manage Account, Informational Videos
A+ Tire and Lube
615 Historic 66 West
Waynesville, MO 65583
OPEN NOW – Closes at 3:30pm
Services at this Location:
Installations, Calibrations
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
June 19, 2025
"Great at explaining "
Jayden Yates.
United States
June 19, 2025
"Erica was great! She was friendly, efficient, and knowledgeable. She explained everything, provided all the information and made the registration process super easy. It’s nice to have a person like Erica helping you during an unfortunate time. "
Amber Fidone.
United States
June 19, 2025
"Was very helpful"
Shawn L.
United States