Smart Start is the leading Ignition Interlock Device provider in Defuniak Springs. We’re a convenient and affordable Florida IID provider located in Central Defuniak Springs at 354 US Highway 90. Our reliable customer service experts and licensed technicians will make your IID device experience smooth & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Defuniak Springs. Call our Central Defuniak Springs location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.