Ignition Interlock Device
This mechanism is installed to your vehicle’s dashboard and requires you to exhale into it before you are able to start the vehicle. Like a breathalyzer, the Ignition Interlock Device ensures that your blood-alcohol concentration is under a specific percent. If not, your vehicle will not start.
Under the new legislation, such in-car breath testers will even be possible for first-time DUI offenders. Such a device could be the requirement for some in order to get their license back after a license suspension period or a restricted driving period.
If a driver is convicted of operating a vehicle while having a blood alcohol content over .08 BAC, and has a passenger under the age of 18, he or she will be required to have an ignition interlock device installed, even if it is a first offense. Ignition interlock devices will also be required for cases including an accident resulting in injury, or a BAC of .15 or greater.
It may also randomly require another breath sample while driving to ensure the driver has given the initial sample. If the new test exceeds the limit, your vehicle horn will sound and lights will flash until the ignition is turned off or a clean sample is give