Plain-language terms for your ignition interlock service and program discussions. Follow the instructions for your assigned device and confirm program requirements with the appropriate authority. The service center does not decide legal eligibility or completion.
Find a term
IID — ignition interlock device · DVS — Driver and Vehicle Services · Calibration · Monitoring appointment · Rolling retest · Lockout · Recorded event · Program violation · License reinstatement · Program completion · Removal authorization · Vehicle swap · Service center · Official resources
IID — ignition interlock device
A device connected to a vehicle that requires a breath sample before starting. Follow the instructions for the assigned device.
LifeSafer — device and service FAQs ↗
DVS — Driver and Vehicle Services
The Minnesota state agency administering driver and vehicle services, including state ignition interlock program requirements.
Minnesota DVS — ignition interlock program ↗
Calibration
Scheduled checking and adjustment of the device's measurement performance. Confirm your assigned service schedule with the provider.
LifeSafer — device and service FAQs ↗
Monitoring appointment
A service visit that may include device data download, calibration checks and operational review.
LifeSafer — device and service FAQs ↗
Rolling retest
A prompted breath test after the vehicle has started. Follow the device instructions and prioritize safe vehicle operation.
LifeSafer — using your device ↗
Lockout
A device condition that prevents a vehicle start until the applicable waiting or service requirements are met. Contact provider support for your situation.
LifeSafer — lockout guidance ↗
Recorded event
An entry in device data, such as a test or service event. Its program significance is determined under applicable requirements.
Minnesota DVS — ignition interlock program ↗
Program violation
An event treated as noncompliance under applicable program requirements. The service center does not independently decide legal consequences.
Minnesota DVS — ignition interlock program ↗
License reinstatement
Restoration of driving privileges after the required steps. Installation by itself is not confirmation that you may legally drive.
Minnesota DVS — ignition interlock program ↗
Program completion
The applicable authority's determination that program requirements have been satisfied. An expected date is not removal authorization.
Minnesota DVS — ignition interlock program ↗
Removal authorization
The approval or documentation required before the device may be removed. Confirm requirements with the provider and appropriate authority.
Minnesota DVS — ignition interlock program ↗
Vehicle swap
Moving service from one vehicle to another through the required removal and installation arrangements. Confirm approvals and scheduling first.
LifeSafer — device and service FAQs ↗
Service center
The location performing installation and ongoing device service. Confirm local appointment availability and service arrangements.
LifeSafer — device and service FAQs ↗
Official resources and reference material
These links identify the agencies, manufacturer-information directories and providers referenced in this glossary. External sites maintain their own content and access requirements. Check the current source and its scope before acting; a glossary is not a substitute for applicable instructions or an individual review.
- Minnesota DVS — ignition interlock program ↗ — Official Minnesota program guidance and contacts. Your individual requirements must be confirmed with the appropriate authority.
- LifeSafer — device and service FAQs ↗ — Provider explanations of installation, device operation and servicing. Follow your assigned device instructions.
- LifeSafer — lockout guidance ↗ — Provider guidance about lockouts and contacting support.
- LifeSafer — using your device ↗ — Provider operating guidance and retest information.
Reference links reviewed October 15, 2026. Please use the latest instructions for your situation.