RoadGuard Ignition Interlock

Get back on the road confidently with Intoxalock, the trusted Ignition Interlock Device (IID) provider of Romulus, Michigan and the no. 1 interlock device brand in the U.S.. Located in the Romulus neighborhood at 17700 Telegraph Rd, we offer fast and affordable court-approved IID installation, calibration, and removal services. Our certified technicians ensure a smooth, stress-free experience while helping you stay compliant with Michigan interlock laws. With 24/7 customer support, Intoxalock makes the process easy for drivers to regain their licenses after a DUI. Visit us in MI near you or call our state specialists to schedule your car breathalyzer installation and get back on the road safely!

Smart Start is the #1 Ignition Interlock Device provider in Madison Heights with same-day installation available for your vehicle. We’re a convenient and affordable Michigan IID supplier located in Northern Madison Heights at 30045 John R Rd 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 device experience quick & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Madison Heights. Call our Northern Madison Heights location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.

Smart Start is the #1 Ignition Interlock Device provider in Lansing with same-day installation available for your vehicle. We’re a convenient and affordable Michigan IID supplier located in Old Everett Neighborhood at 5104 S Pennsylvania Ave 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 device experience quick & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Lansing. Call our Old Everett Neighborhood location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.