Smart Start is the #1 Ignition Interlock Device provider in Sevierville with same-day installation available for your vehicle. We’re a convenient and affordable Tennessee IID supplier located in Western Sevierville at 1458 Chapman Highway with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID device experience quick & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Sevierville. Call our Western Sevierville location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.