RoadGuard Interlock offers ignition interlock devices (IIDs) for your car. Our IIDs are reliable and easy to use, and we offer installation services at our location in Grand Blanc, MI. We are committed to helping our customers achieve their ignition interlock requirements and get back on the road.

Smart Start is the #1 Ignition Interlock Device provider in Flint with same-day installation available for your vehicle. We’re a convenient and affordable Michigan IID supplier located in Southern Flint at 5360 S Saginaw St with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID... Read More about Smart Start Ignition Interlock

LifeSafer Ignition interlock is the leading ignition interlock provider nationwide and home to “No-Call Install”, the first fully online installation booking tool. LifeSafer’s locations are MI certified and our expert technicians at 4081 Miller Road can handle all your installation and calibration needs. LifeSafer has over 30 years of ignition interlock experience and has helped over 1.5 million people get... Read More about LifeSafer Ignition Interlock