
South Dakota Ignition Interlock Requirements
In South Dakota, certain individuals convicted of DUI offenses are required to install a state-approved ignition interlock device as part of the state’s 24/7 Sobriety program.
The South Dakota Ignition Interlock Program
Navigating life after a DUI can be challenging, but Intoxalock is here to lend a hand. With over two decades of expertise, we are dedicated to helping individuals complete ignition interlock requirements in South Dakota, paving the way for your return to the road with confidence.
In South Dakota, the legal blood alcohol content (BAC) limit for drivers is .08 percent. If you are operating a vehicle over this limit, you’re considered to be driving while under the influence of alcohol. Penalties for a DUI conviction in South Dakota may include license revocation, jail time, fines, mandatory chemical dependency evaluations, and an ignition interlock device.
In 60 of South Dakota’s 66 counties, the 24/7 Sobriety program may be required as a condition of bond, sentence, probation, parole, child custody, or visitation orders. In these counties, the program may also be a prerequisite to receiving a restricted driver permit for drivers with multiple DUIs or a first-time offender with a BAC of .17 or greater. Intoxalock is the ONLY approved ignition interlock provider utilized by the state for this program.
What Happens if I Get a DUI in South Dakota?
First DUI Offense
- Class 1 misdemeanor with up to 1 year license revocation
- Maximum sentence of 1 year in county jail or a $2,000 fine (or both)
- Court-ordered evaluation by an addiction counselor if BAC is .17 or greater
- IID may be required as part of the 24/7 Sobriety program
Second DUI Offense
- Class 1 misdemeanor with up to 1 year license revocation
- Maximum sentence of 1 year in county jail or a $2,000 fine (or both)
- IID may be required as part of the 24/7 Sobriety program
Third DUI Offense
- Class 6 felony with a minimum license revocation of 1 year
- Maximum sentence of 2 years in state penitentiary
- $4,000 fine
- IID may be required as part of the 24/7 Sobriety program
Get a Free Quote! Call 877-274-3419
The Process: What to Expect
-
Consult with Legal Counsel
Seek guidance from a DUI lawyer to understand your legal options and rights following a DUI violation.
-
Get an Assessment
Complete a court-ordered or voluntary assessment to evaluate your risk level and determine any required interventions.
-
Obtain Proof of SR-22 Insurance, If Required
If applicable, provide proof of financial responsibility and insurance coverage with an SR-22 certificate.
-
Schedule Interlock Install
Speak to our State Specialists to schedule your IID installation to meet court or state requirements.
-
Regular Monitoring
Your ignition interlock usage will be regularly monitored to maintain compliance with legal requirements.
-
Device Removal
After fulfilling your IID requirement and receiving approval from your monitoring authority, you can arrange to have your ignition interlock device removed at your local service center.
South Dakota Ignition Interlock Device Cost

Expert DUI Attorneys in South Dakota
Green, Roby, Oviatt, Cummings & Linngren LLP
Watertown, SD 57201
Kolbeck Law Office
Sioux Falls, SD 57105
Bratland Law
Watertown, SD 57201
Landeen Law, PC
Sioux Falls, SD 57104
South Dakota FAQs
Can I get financial assistance to pay for my ignition interlock device in South Dakota?
No, financial assistance is not available in South Dakota for interlock users.
How do I find an installation location near me in South Dakota?
Visit the South Dakota locations page to review all locations in South Dakota.
How does an ignition interlock device work?
To see how an ignition interlock device works, visit our ignition interlock page and watch our video demonstrating how to use the device.
How much does an ignition interlock cost in South Dakota?
Your IID cost can vary depending on whether the ignition interlock is required by the 24/7 Sobriety program. South Dakota Intoxalock customers can expect to pay a deposit of $0 to $89.99, and a setup fee of $29.99. The monthly lease will cost $69.99 to $79.95.
What are the South Dakota ignition interlock device requirements?
South Dakota requires certain individuals convicted of DUI offenses to install an ignition interlock device as part of the state’s 24/7 Sobriety program. If you are required to install an IID device, it must be installed by the only approved provider, Intoxalock, to ensure all data collected by the IID is reported to the state’s monitoring authority.
What are the other DUI requirements in South Dakota?
Check the South Dakota state page for all DUI penalties.
What are the steps to get my ignition interlock device in South Dakota?
When you are ready to install, you can make an appointment with your chosen provider. Intoxalock offers same-day installation services and has more locations than any other provider. Our state specialists can help you make an appointment and answer any questions you have, or you can make your own appointment if you prefer.
What information should I provide to get my ignition interlock device removed in South Dakota?
You should only remove the device once you have authorization from the state monitoring authority. You should not need to bring anything else, but you will have to pay the remaining monthly lease fee.
What information should I provide to get my ignition interlock device installed in South Dakota?
You should bring your South Dakota driver’s license, and may need to provide the name of the vehicle’s registered owner if you are not the owner.
What is an ignition interlock device and why do I need one?
An ignition interlock device is a smart breathalyzer system that adds an extra layer of safety by ensuring the driver is alcohol-free before allowing the car to start.
When can I get my ignition interlock device removed in South Dakota?
You will hear from your monitoring authority when you are authorized to remove the device. Do not remove the device early unless you have authorization, as this could be a violation of the state’s interlock policy.
Where can I find more information on ignition interlock devices?
To learn more about ignition interlock information, please visit our ignition interlock device page.
Where can I find other DUI resources such as a DUI attorney in South Dakota?
Intoxalock has a list of South Dakota attorneys who are experienced with DUI cases. Our state specialists can help you as well.
Customers Have Great Things to Say





The information provided on this website does not, and is not intended to, constitute legal advice; instead, all information, content, and materials available on this site are for general informational purposes only. Information on this website may not constitute the most up-to-date legal or other information.
Readers of this website should contact their attorney to obtain advice with respect to any particular legal matter. Only your individual attorney can provide assurances that the information contained herein – and your interpretation of it – is applicable or appropriate to your particular situation.





