Arizona Department of Transportation
Arizona Department of Transportation
Motor Vehicle Division
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A certified ignition interlock device is a breath alcohol testing instrument connected to the ignition and power system of the vehicle. The driver blows into the device before attempting to turn the ignition. If the driver’s alcohol level is above a certain level, the vehicle will not start. While the vehicle is operating, the driver must blow into the device at random intervals. The device maybe ordered installed on any motor vehicle that a person operates following a violation of Driving Under the Influence.


Additional information is provided on the Ignition Interlock page.


The interlock must be installed by one of the following authorized installers.
CONSUMER SAFETY TECHNOLOGY, Inc.
888-560-2628
www.arizmat.com
DRAEGER INTERLOCK
866-429-7233
www.azsafeharbor.net

LIFESAFER INTERLOCK
800-635-4410
www.aziid.com
1A SMART START, INC.
800-916-6384
www.smartstartinc.com

GUARDIAN INTERLOCK
888-442-2749
www.guardianinterlockaz.com

ALCOHOL DETECTION SYSTEMS, INC.
888-786-7384
www.stopdwi.com

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