General Info

Smart Start is the #1 Ignition Interlock Device provider in Downey with same-day installation available for your vehicle. We’re a convenient and affordable California IID supplier located in Central Downey at 11861 Paramount Blvd 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 Downey. Call our Central Downey location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.