What happens if I fail the breath test when I try to start my car?

The vehicle will not start and the IID will enter a short lockout period of a few minutes.  This lockout period allows an opportunity for the alcohol to dissipate from the mouth and for you to consider the reason for the failed breath alcohol test, for example; is the failure a result of the use of mouthwash, cough syrup, etc., or as a result of consuming too much alcohol.  The IID will record the failure, which will be noted in the data report.  If you make 3 attempts to start a vehicle with a BAC of .04 or above, your IID requirements will be extended for a period of 3 months.  

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IID