If you’re searching for a car breathalyzer after a DUI charge, we offer the best Ignition Interlock Device in Central California. We will help you successfully complete your car breathalyzer requirement with support from caring specialists who understand everything you need to know about Ignition Interlock in California.
However, you’ll be getting more than just an Ignition Interlock Device. We’ll be with you right from the beginning with the services and support you need to successfully complete your IID requirement and regain your full driving privileges.
Schedule an installation appointment now at a nearby service center.
Need Ignition Interlock? Get started with our Program Advisors today!
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Schedule an Interlock Device Installation in Vacaville
Ride with Smart Start
& get back on the road
- California’s #1 Ignition Interlock Program
- Low-price, with no hidden fees
- Fast installation with same-day available
- 24/7/365 Customer Care – Se hablamos Español
It only takes a moment to get your personalized quote.
Call Now! (800) 831-3299Ignition Interlock in Vacaville: We're Always Here for You
From $1.99/Day* - No Long-Term Contracts
Bi-weekly payment options designed to fit your budget.
Ignition interlock Costs3,000+ Locations - Same Day Install
Quick installs by skilled technicians at convenient U.S. locations.
Find a LocationDiscreet, Easy-to-Use Devices
Reliable, hygienic devices with guided tests and easy English-Spanish switching.
Smart Start devices24/7 Knowledgeable State Program Experts
Multilingual support trusted by over 1 million people, ready when you need us.
Talk to a program advisorIgnition Interlock Locations in Vacaville, California
Let’s get started with an installation at one of the convenient Ignition Interlock locations in San Francisco below.
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645 Soscol Ave
Napa, CA 94559 -
1324 Callen St
Vacaville, CA 95688OPEN NOW – Closes at 4:00pm
Ignition Interlock in California: We're Always Here for You
The Most Discreet Ignition Interlock Devices in Vacaville, California
Smart Start’s car breathalyzers were designed to be court compliant while keeping the user’s needs in mind. We understand the desire for privacy during this difficult time, so our Ignition Interlock Device is small and discreet.
The black exterior allows you to conceal it easily in your motor vehicle, but size doesn’t dictate function! Our Ignition Interlock Device can read your alcohol-free test in less than one second, so you can get back on the road quickly.
The Best Customer Care
When you choose the cheapest Ignition Interlock Device, you’re choosing the 24/7 bilingual support of our Customer Care Center and the expertise of our local technician teams. Call (800) 831-3299 or complete the form at the top of this page to enlist Smart Start as your program partner. We’ll put the wheel back in your hands.
Questions about Ignition Interlock Devices in Vacaville, California
How do I get my IID calibrated in Vacaville?
Calibration is required regularly to ensure your IID is working properly. In Vacaville, we offer convenient service appointments to calibrate your device. The frequency of calibration is defined by California regulations. Generally, every 30-90 days.
Can I get same-day Interlock Device installation in Vacaville?
Yes! Smart Start offers same-day installation appointments at many of our Vacaville-area locations, subject to availability. We understand the urgency of meeting program deadlines, so we work to accommodate your schedule and get you back on the road as quickly as possible.
Where can I get an Ignition Interlock Device installed in Vacaville, California?
Smart Start offers several convenient installation locations throughout Vacaville and the surrounding areas. Our local service centers are staffed by experienced technicians who provide fast, professional installations. To find a location near you, visit our location finder or call our 24/7 Customer Care team for assistance.
How much does an Ignition Interlock Device cost in Vacaville?
Smart Start offers affordable Ignition Interlock solutions in Vacaville. See our Interlock Device cost guide for California to learn more.
How does an Ignition Interlock Device work?
An Ignition Interlock Device (IID) prevents a vehicle from starting if it detects alcohol on the driver’s breath. The driver blows into the device, and if their breath alcohol content is below the programmed limit, the car will start. You’ll also have to complete periodic retests after starting your vehicle to ensure continued compliance. Learn more about how IIDs work with our complete guide.
What are California’s IID laws?
In California, an Ignition Interlock Device (IID) may be required after a DUI. See our complete guide for information on IID laws and more in California.
See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
February 5, 2026
"I truly appreciated that all the staff was respectful, knowledgeable and explained to process to me and answered all my questions!!! "
Ginger M.
United States
February 5, 2026
"Quick and friendly "
Aaron C.
United States
February 5, 2026
"Great customer service "
Anthony G.
United States




