At DWI Payless, we’re committed first and foremost to highway safety. That’s why we work closely with state agencies, law enforcement and the courts to supply and maintain systems that meet or exceed existing standards and that are reliable. Engineers are at work constantly to improve our products to meet and exceed the latest national and state standards and specifications. So, whether you’re a customer or enforcement official, you can have confidence that every system is the best available.

Let’s start with a basic explanation of an ignition interlock device.

The ignition interlock device interrupts the signal from the ignition to the starter until a valid breath sample is provided that meets minimal alcohol guidelines. At that point, the vehicle can be started as normal. Upon vehicle start-up and each time it’s turned off during the day, the interlock participant must complete a standing test, which, in addition to a valid breath sample, includes a “learned” timing, coordination and dexterity test. Random “running” retests are required as the participant is driving, but do not include the “learned” test sequence.

How long will it take to install?

Please reserve two hours for your ignition interlock installation. Varying vehicle types may require more or less time. Of course, many other steps besides the actual installation must take place during the installation appointment. The technician will inspect your vehicle, identify probable interlock location and connector points, configure the device to conform to specific adjudication requirements and train you in the use of the interlock. The technician will carefully explain the device and its functions as well as complete all necessary paperwork with you. You should take this opportunity to ask any and all questions you have about your ignition interlock device and the rules of the program.

What will I need for installation?

  • Driver’s license number
  • Full name as shown on the license
  • Home address
  • Home telephone number
  • Work telephone number
  • Date of birth
  • Agency ordering interlock (DMV hearing officer, judge, or voluntary)
  • Year, make and model of vehicle
  • Pen and paper or electronic device to take notes

Installation and training will take one to two hours. We’ll give you a user’s manual and a demonstration interlock with which to practice and learn the interlock basics. A technician will be available to go through the manual with you and to assist in learning the testing technique. You will be able to practice and ask questions for as long as is necessary for you to feel comfortable with the system.

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