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Certified Ignition Interlock in Missouri

Book Now to Save Up to $200+

Mention code FREE23MO to claim your offer!

Fill out the form or call (833) 656-2831 to get back on the road today.

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+Offer ends 12/31/23 (11:59 PM, CST). To qualify for this promotion, you must mention code FREE23MO, be a Missouri resident, and have a Smart Start branded Ignition Interlock Device installed on or before 12/31/23. Savings are based on having no monthly lease payment until January 2024. Actual savings may vary depending on lease terms. Monthly Lease payments will be waived until January 1, 2024. After this date, the regular monthly lease fee will apply. May not be combined with other offers. Not redeemable for cash or adjustments to prior leases or purchases.

Missouri-Approved Ignition Interlock Device

Smart Start is proud to partner with the Missouri Department of Transportation to offer easy-to-use devices with competitive pricing. We are offering a promotion with no monthly lease payments until 2024! Use promo code FREE23MO to save up to $200!

If you’re in search of a Missouri Ignition Interlock Device, Smart Start is a reliable choice. Another Ignition Interlock provider recently faced suspension within Missouri.

Smart Start remains one of the trusted and certified providers that have consistently met Missouri’s requirements. Being certified means that every device we install is accurate, dependable, and equipped with the latest technology.

The following list of certified providers for Ignition Interlock Devices in Missouri has been updated as of 10/2023.


  • Smart Start
  • RoadGuard
  • LifeSafer
  • Alcohol Detection Systems (ADS)


  • Intoxalock

Excellent TrustScore of 4.7 out of 5

Why Choose Smart Start in Missouri?

Smart Start is the go-to Ignition Interlock Device provider for The Show-Me State.

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How do I get my license back in Missouri?

Review the Smart Start resources below, including  a step-by-step guide, to quickly and safely reinstate your license.

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Don‘t just take our word for it, here
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