Best interlock on the planet, period.
1,800 LOCATIONS
From point A to point B, Smart Start has more than 1,800 convenient installation locations nationwide.
STRAIGHT-FORWARD PRICING
The most affordable, headache-free installation available, with absolutely no hidden fees.
24/7 CUSTOMER SERVICE
Anytime, anywhere. Our knowledgeable, bilingual customer service team is always ready to help you.
Meet our simple to use, discreet device.
LOWEST INTERLOCK COST
If you want the most affordable interlock device that doesn’t compromise quality and safety, you’ve come to the right place. Smart Start Ignition Interlock Devices and installation services are trusted by millions of customers for the best value since 1992.
SMALL & DISCREET
Great things come in small packages. Our interlock devices are well-designed to comfortably fit in your hand while providing easy-to-read, accurate results, every time.
EASY INSTALLATION & SERVICE
You’re busy and the last thing you need is an installation service that takes hours to complete. Smart Start offers thousands of installation service centers near you, with expert technicians. Select one of our convenient shop locations and get in and out in record time.