Secretary of State
How do I Get an Ignition Interlock Device Installed?
Manufacturers who are currently authorized to install ignition interlock devices for Michigan drivers are listed below. You can contact any of the provider's by calling their toll-free phone number to obtain additional information concerning cost, the location of service centers and to schedule installation.
***The State of Michigan and/or their employees do not endorse or recommend manufacturers. Each manufacturer is a commercially operated company that has been approved by the State of Michigan according to MCL 257.625(k) and MCL 257.6251. Rates and policies may vary.