Ignition interlock device

If your license was suspended for a DUI offense, the court may require you to get an ignition interlock device to prevent a vehicle from starting if your BAC exceeds 0.05%.

Igntion interlock device requirements

• First DUI offense: Installation of interlock device for six months to one year upon restoration (judge's discretion); BAC 0.15% or greater requires mandatory installation of ignition interlock device during license suspension and for 6 months to 1 year following restoration
• Second DUI offense: Mandatory installation of interlock device during license suspension and for 1 to 3 years following restoration
• Third DUI offense: Mandatory installation of interlock device during license suspension and for 1 to 3 years following restoration

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. IMPORTANT NOTE: Failure to have an ignition interlock installed when ordered by a judge could result in an additional one year driving privilege suspension.

Approved list of ignition interlock manufacturers
Ignition interlock manufacturers have installation locations throughout New Jersey. When selecting an ignition interlock provider, consider the installation and monitoring fees and installation center site convenience.
Company	Contact/Website
Alcohol Detection Systems 1718 Belmont Avenue Suite E Baltimore, MD 21244	1-888-STOP-DUI (888-786-7384) www.statewideinterlock.com
Best Labs 7301 West Blvd Suite A1 Boardman, OH 44512	(800) 219-9936 www.sensolockamerica.com
Draeger Safety Diagnostics 4040 W Royal Lane Suite 136 Irving, TX 75063	(856) 753- 9700 (800) 970-1002 www.interlockdevice.com
Guardian Interlock Systems 228 Church St. Marietta, GA 30060	(800) 499-0994 www.guardianinterlock.com
Interceptor Ignition Interlock Inc. 45 Ramsey Road Unit #23 Shirley, NY 11967	(800) 215-1007 www.interceptorusa.com
#1 A LifeSafer 1908 Hudson Ave Cincinnati, OH 45212	(800) 475-7151 www.LifeSafer.com
1 A Smart Start, Inc. 4950 Plaza Drive Irving,TX 75063	(800) 880-3394 www.smartstartinc.com

FAQ's- Frequently Asked Questions
Download the most frequently asked questions [pdf] about ignition interlock devices.