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Ignition interlock device

If your license was suspended because of a DUI offense, the court may require you to get an ignition interlock device to fully restore your driving privileges. This device is attached to your vehicle with a built-in Breathalyzer and prevents the vehicle from starting if your BAC exceeds 0.05%.
  • First DUI offense: Installation of interlock device for six months to one year
  • Second DUI offense: Installation of interlock device for one to three years or a two year suspension of registration privileges
  • Third DUI offense: Installation of interlock device for one to three years as a condition of restoring your driving privileges or a 10 year suspension of registration privileges
If the court sentences you to get an interlock device, you will receive a notice of suspension from MVC with instructions on how to obtain the device.

Approved list of ignition interlock manufacturers
Company Contact
Draeger Interlock, Inc
Installation & Service Centers
throughout New Jersey
www.interlockdevice.com
(856) 753-9700
(800) 970-1002
Guardian Interlock Systems
www.guardianinterlock.com
(800) 499-0994
National Interlock Service LTD
8328 Veterans Highway Ste C
Millersville, MD 21108
www.nationalinterlock.com
(800) 374-5760
(800) 475-7151
Smart Start of New Jersey
Installation & Service Centers throughout New Jersey
http://www.smartstartinc.com
(800) 880-3394
Sens–O–Lock Distribution of New England, Ltd.
39 Mohawk Trail
Slingerlands, NY 12159
www.sens–o–lock.com
(888) 300-4580