NEWS RELEASE: Secretary Johnson suspends ignition interlock device manufacturer

Media Release from Secretary of State Ruth Johnson

-- For immediate release --

Secretary Johnson suspends ignition interlock device manufacturer

Stamp Out Fraud

Devices violated state standards, risked public safety

Secretary of State Ruth Johnson announced today that Alcohol Detection Systems, a national supplier of ignition interlock devices, has been summarily suspended and may no longer supply breath alcohol ignition interlock devices in Michigan.

The devices manufactured by ADS, which supplies Waterford-based Michigan Interlock, failed to require the necessary start-up tests and periodic retests as mandated by Michigan law. The company also failed to report violations in which drivers were able to start or continue driving without providing a breath sample.

Ignition interlock devices require a breath sample before the user may start a vehicle. Random breath tests also are required while the vehicle is in operation to ensure the driver remains alcohol-free. The device measures the driver’s bodily alcohol content (BAC) and keeps the vehicle from starting if the device detects a BAC of 0.025 or higher.

About 1,500 residents have an ADS ignition interlock device. Any driver with an ADS device will need to contact Michigan Interlock to have the device removed at no cost and have a new device installed by one of the five approved manufacturers. The new device must be installed within seven days after the ADS device is removed.

An ignition interlock device is required as a condition of a restricted driver’s license for drivers with a first conviction for Operating with a Blood Alcohol Content of 0.17 or more and for habitual offenders who have any of the following combination of alcohol or controlled substance related driving convictions:

  • Two or more convictions within seven years.
  • Three or more convictions within 10 years.

“We take our responsibility to safeguard ignition interlock customers and the public seriously,” Johnson said. “We must be certain that ignition interlock users are being tested as required before and while they drive to ensure public safety on the roadways. Interlock manufacturers that do not comply with state laws will not be allowed to operate in Michigan.”

Information about the other ignition interlock manufacturers in Michigan is available on the Secretary of State website. Customers with an ADS ignition interlock system installed by Michigan Interlock who have questions may contact the Michigan Department of State at 888-767-6424.


For media questions, please call Fred Woodhams at 517-373-2520.


Accessing Secretary of State Services:

Don’t come into a Secretary of State office if you don’t have to. We’re betting you’d rather be anywhere else. 
Save time by taking advantage of our handy alternatives to waiting in line, including renewing by mail. Many customers don’t need to visit an office in person so remember to hop online, not in line, at ExpressSOS.com, now with Print 'n Go. It's painless.
You now can make an appointment or hold your spot in line at Secretary of State MI-TIME Line participating offices by using your phone or the Web. 
Customers may call the Department of State Information Center to speak to a customer-service representative at 888-SOS-MICH (767-6424).