No, interlock cannot detect drugs. It can only detect the presence of alcohol, and the presence of alcohol can be in mouthwash, energy drinks, food and other substances, so be careful. below is a list.
What Causes A Failed Interlock Ignition Test?
A lot of different things can make a breathalyzer fail, including..
- Fermented fruit
- Mouthwash (like Listerine)
- Energy drinks
- Having drank the night before
- A single drink (beer or shot) in the past hour
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