Ensure that you thoroughly evaluate the service center responsible for servicing and installing your device. It is crucial not to make any deposit for installation until you have personally visited, contacted, or inquired about the service center recommended by your interlock company. Take the time to investigate whether they have a clean facility and positive reviews within their core business on Google. Additionally, consider their level of establishment in the industry. If your are confident they meet your expectations this can contribute to your peace of mind for a good interlock experience.