Michigan Interlock, LLC is a leading certified provider of the Alcohol Detection Systems(ADS), Determinator® Ignition Interlock systems in Michigan. Our user-friendly products and customer oriented services will allow you to feel comfortable with the probationary guidelines, licensing restrictions or voluntary oversight of your vehicle. As you navigate the pages of this website you will be provided with the words of current and past customers who will explain why they are glad they chose us to complete their interlock program. When you join Michigan Interlock you become a part of our team, and we look out for you as one of our own. Your success is our commitment. Michigan Interlock guarantees affordability, ease of use, reliable equipment and local support.