Wichita Bail Bonds Blog

If you have an ignition interlock device (IID) installed in your vehicle, you cannot drink any alcohol at all before driving. These devices are designed to detect even small amounts of alcohol in your breath, and any positive reading will prevent the vehicle from starting. Trying to drive after drinking even a small amount can lead to violations, license suspension, or jail time, depending on your state’s DUI laws.

How an Ignition Interlock Device Works

• The IID functions like a breathalyzer that’s connected to your vehicle’s ignition system.
• You must blow into the device before starting the car; if your blood alcohol concentration (BAC) exceeds the preset limit, usually 0.02% to 0.04% the engine will not start.
• Random “rolling tests” may also occur while driving to ensure continued sobriety.

Zero-Tolerance Alcohol Policy

• Most states enforce a zero-tolerance policy for anyone with an interlock device, meaning you cannot consume any alcohol, not even one drink, before driving.
• Alcohol from mouthwash, medication, or food containing alcohol (such as sauces or extracts) can trigger a failed test.
• Even if you drink the night before, residual alcohol can still register on the device the next morning.

Consequences of Drinking with an Interlock Device

• Failed Test – The car will not start, and the event will be recorded in the IID’s log, which is reviewed by authorities or your probation officer.
• Violation Report – Repeated failed tests or skipped retests can result in license suspension, extended IID requirements, or court penalties.
• Program Extension – Drinking violations often cause the court or DMV to extend the time you must keep the interlock installed.
• Probation Revocation – If your IID is part of probation terms, a failed test can lead to arrest or revocation of your conditional release.

Tips for Staying Compliant

• Avoid all alcohol while using the interlock device, including products containing small traces like cough syrups or mouthwash.
• Wait several hours after drinking before attempting to drive, even the next morning, if alcohol was consumed.
• Rinse your mouth with water before testing if you recently used any product with alcohol content.
• Follow your probation or DMV guidelines exactly to avoid extended penalties or program violations.

An ignition interlock device requires total sobriety. Drinking any alcohol before driving will not only prevent your car from starting but could also result in serious legal consequences or extended restrictions on your driving privileges.