Ignition Interlock Device (IID) in Oklahoma
Oklahoma uses the term "DUI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense duration: 18 months (with modified license). Monthly cost: $60-$95.
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Quick Answer
Oklahoma requires IID for all DUI convictions, including first offenses. The device is mandatory for obtaining a modified driver's license during the revocation period.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 18 months (with modified license) |
| 2nd Offense | 4 years |
| 3rd Offense | 5 years |
| 4th+ Offense | 5 years or longer |
BAC threshold: Any DUI conviction (no BAC threshold — all offenders)
IID Cost Breakdown in Oklahoma
| Item | Cost | Notes |
|---|---|---|
| Installation | $70-$150 | One-time fee. Takes about 1 hour. |
| Monthly Lease + Monitoring | $60-$95/mo | Includes device lease and monitoring. |
| Calibration | $25-$65 | Every 30 days. |
| Removal | $50-$100 | One-time fee when IID period ends. |
| Estimated Total (6 months) | $480-$820 | Install + 6 months lease + removal. |
| Estimated Total (12 months) | $840-$1,390 | Install + 12 months lease + removal. |
One-time
Lease + monitoring
Every 30 days
One-time
All-in estimate
All-in estimate
Approved IID Providers in Oklahoma
Contact providers directly for current pricing and service center locations in Oklahoma. Compare at least 2-3 providers before choosing — prices and service quality vary.
Restricted License with IID
Oklahoma issues a modified driver's license with IID that allows driving with the device installed.
Tampering / Circumvention Penalties
Tampering with an IID in Oklahoma is a misdemeanor carrying fines and possible jail time. The IID period is extended.
Early Removal
Oklahoma does not allow early removal.
Oklahoma-Specific Notes
Oklahoma has notably long IID requirements: 18 months for a first offense and 4-5 years for repeat offenders. These are among the longest first-offense IID durations in the country.
Frequently Asked Questions
Is an IID required for a first DUI in Oklahoma?
How long do I need an IID in Oklahoma?
How much does an IID cost in Oklahoma?
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