Mine worked fine most days, but cold weather made readings glitchy. Keeping backup mouthpieces and a small log of dates/times really helped when something weird happened. Honestly, the mental load is as big as the hardware, constant awareness that one mistake or misread can derail your day.

Before I agreed to install an interlock, I read a bunch of real‑world experiences, including places where people talk about different brands and setups, like https://intoxalock.pissedconsumer.com/review.html to understand common patterns. You quickly see that human life around this equipment is a mix of routine and stress: early alarms, embarrassment at gas stations, occasional technical quirks, but also a structure that keeps some folks from reoffending.