Low Cost Ignition Interlock

Smart Start is the #1 Ignition Interlock Device provider in San Antonio with same-day installation available for your vehicle. We’re a convenient and affordable Texas IID supplier located in Crown Meadows at 7626 Culebra Rd 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 San Antonio. Call our Crown Meadows location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.

Fast. Easy. Discreet. RoadGuard Interlock gets you back on the road with a car breathalyzer that is FAST to warm up, EASY to use, and DISCREET so you can focus on the road ahead. As an approved Texas Ignition Interlock provider, we have convenient ignition interlock installation near you in San Antonio, Texas at 7626 Culebra Rd. With a proven track record, RoadGuard Interlock offers top-tier ignition interlock devices that won't damage your vehicle, professional installation, and reliable customer service. Call us today to schedule an appointment for your car breathalyzer installation, calibration, or removal in San Antonio or any of our other convenient locations throughout the state of Texas.

Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in San Antonio, TX is here to help you get back on the road after a DUI. Intoxalock has more locations than any other provider, and we can find an interlock installation location near you. We will help you understand TX interlock, or IID, laws and regulations. Our interlock installation locations are staffed with certified professionals who will install and service your car breathalyzers. For 30 years, Intoxalock has been a trusted interlock ignition device provider. Call now to talk to a TX expert.