I just got my license back Tuesday, after seven years. I originally picked an Intoxalock equipped company(American Interlock). After only four months, I had two false positive alcohol readings...
RoadGuard Ignition Interlock
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Nationwide Interlock charged me hundreds of dollars above the legal limit set by the state -- despite Tennessee law clearly limiting ignition interlock costs to $100 per month total. Over nearly...
I'll explain this in the simplest of concepts. 1's and 0's. If I drive to the store "as has happened twice now in the past 3 weeks, the following has occurred en route. Pass, pass....(turn off...
Avoid. I requested hardship pricing since I'm on social security. Nationwide agreed. I had to send them my social award letter, etc . It takes per Nationwide 4 days after interlock installed,...

Shady billing practices to say the least. Sometimes you get a bill reminder and sometimes you dont. Their equipment dependability is poor.. Batteries die and they try to to bill you for the reset....