what is an ignition interlock device?

ignition interlock device

Ignition Interlock is the device thatis used to evaluate how much theamount of alcohola user’s breadth may have. These are the breathalyzer devicesthat are smaller in size thatareinstalled invehiclesthat prevent any person or a driver to drive the vehicle if in case they have drunk.

In simple words, we can say that an interlock device stops a driver from driving until and unless they have taken a breath foran alcohol test.Theinterlock device which is currently installed, a driver who needs to drive the vehicle continuously needs to blow by their mouth firstly.If the consumption consumed by the breath containsalcohol is more than the amount as compared to normal breath then it will stop the engine to start. 

These Interlock Devices arefitted near to the driver seat, inside the vehiclewhich is connected to thevehicle engine’s ignition system.If anyone who is using an Interlock Device helps many people for protection from accidents.

Working of an Ignition Interlock Device (IID):

First of all, the result for the test of a Breath upon the pre-defined limit is registered otherwise the vehicle will not be able to start. These Ignition Interlock Devices need to be registeredfirstly and then serviced on regular basis from service centers. A person or driver needs to take an appointment generally after 30 daysor maybe 90 days which can be decided by differentstates of a particular country.

Installation steps for an Ignition Device:

There are many ways through which we can install and use these Interlock devices. The installation of Interlock devices depends upon the legal requirements mentioned by different states of any country in which a person is living. These devicesmay come with or without a camera facility. These devices arealso useful for reporting and monitoring the real-time facility feature. Maybe they can be equipped with some other features as well.

Price of an Ignition Interlock Device (IID):

The price of an Ignition Interlock Device (IID) always varies with the features togetherwith it. The cost includes the installation of the Ignition Interlock Device, leasing of the device, the fee which has been appointed by the state, the data which need to share with the monitoring authority frequently.

If any person wants to install the Ignition Interlock, then they must need to pay all the costsconcerned with it. These devices can also be used and installed by the person or clients that have lowincome which is applied by the state. The cost of these ignition devices may vary from a different state.

Various usage ofIgnition Interlock Device (IID):

It is a very simple and easy process to use any ignition device. It takes a little time and good patience to learn how to use these interlock devices. Any person can use these interlock devices regularly in their daily routine.

It can be divided into three simple steps such as:

Turn Ignition on:First of all, we need to turn on the power or vehicle’s ignition. There is no need to put thefeet onthe brake. We can also have some water to splash our mouth. We can prepare ourselvesfor thebreathalyzer test by taking a deep breath. With the help of an interlock device, we can blow it within a minute.

Blow: First of all, we need to relax. For the 5 to 7 seconds, there should be no movement and without moving blow into the interlock device.The device will produce a sound or tonemaking sure that the test hasbeen completed,properly and correctly. After that, we will hear a beepsound that will click to signal which will indicate that the given sample is all right and valid.

Go:These devices will help the person by sending the message that the test has been passed.They can start the vehicle, and good to go. When the person is driving then these devices show random retests many times.

Benefits to choosing Ignition Interlock Device (IID): Interlock devices providemany benefits to choosingthem.Such as:

If someone is enjoying any party and we want to make sure that will be safe to drive home back.

If there are any teenagers at home and any parent want a smart choice for them for their driving safety concerns.

If there is anyonewho is addicted to alcohol at home and struggling, so with these interlock devices we can make sure their safety and protection and for others as well.


At last, the conclusion is that if anyone who uses Ignition Interlock Devices (IID) will protect fromrough driving. Such whole work takes a minute’s process that will ensure the safety of the people who wants to drive before giving this simple test. It is a very useful device and it should be regulated and used in every part of the country for safety concerns.