You may well be sober, but you still have traces of alcohol in your system. Consider whether you should drink if you are driving the next day. Wait until you are fully sober. RoadGuard Interlock did not create nor develop and does not own any such third-party websites. What to do: If you failed your initial test because of something you ate, just wash out your mouth and re-test. If you have any questions about your Smart Start of Louisiana interlock device, don't hesitate tocallour 24/7 customer service center. Another thing to remember is that being hungover can also impair your ability to drive. If the device detects alcohol on the drivers breath, it will prevent the vehicle from starting. It is much safer to wait until you are sober before using the device. The device will indicate when to start and stop but this usually lasts for about 5 seconds. Virginia Intoxalock clients transfer FREE. How long after drinking can you pass an interlock? Why is my stomach so fat even though I exercise? So, if you have two drinks in a two-hour period, your blood alcohol concentration (BAC) will be twice the legal limit, and you will probably blow into your interlock. If you fail an initial interlock test, your device will lockout for 5 minutes. If you have used any product that containsalcohol, wait at least 15 minutes before taking the test. For example, your weight plays a role in how quickly alcohol is metabolized. Once you have met all the requirements, you can typically have the IID removed by taking it to a certified provider and having them disable it. How do you pass an interlock test after drinking? The random re-test, which is done a few minutes after you begin driving and then as you drive, as determined by state regulations. The important thing is not to panic.