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Ignition Interlock
in San Marcos, Texas

Ride with Smart Start
& get back on the road

  • The leading Ignition Interlock Program in Texas
  • Low-price, with no hidden fees
  • Fast installation with same-day available
  • 24/7/365 Multilingual Customer Care

It only takes a moment to get your personalized quote.

Save up to $300* over the course of your IID program vs. our competition. Get started today!

Ahorre hasta 300 $* en el curso de su programa IID en comparación con otros nuestros competidores. ¡Empieza hoy!

Ignition Interlock in Texas is More Than a Device. It's a Program.

If you’re searching for a car breathalyzer after a DWI or DUI, we offer the best Ignition Interlock Device in San Marcos, Texas. We will help you successfully complete your car breathalyzer requirement with support from caring, compassionate specialists who understand everything you need to know about Ignition Interlock in Texas.

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. The cheapest Ignition Interlock program in San Marcos, Texas, includes 24/7/365 Customer Care that makes your Ignition Interlock program as easy as possible.

Schedule an installation appointment now in San Marcos, Texas, or at any of our Texas service centers.

Ignition Interlock Locations in San Marcos, Texas

Let's get started with an installation in San Marcos, Texas that fits your schedule, at one of the convenient locations below.

  • Audio Outlet

    1520 Interstate Hwy 35 South
    San Marcos, TX 78666
    (817) 380-6608
    More Details Schedule an Installation
  • Elite Auto Sounds

    3183 S Interstate 35
    New Braunfels, TX 78130
    (830) 310-3493
    More Details Schedule an Installation
  • KJ'S Auto Accessories

    303 S Commerce St
    Lockhart, TX 78644
    (512) 501-5743
    More Details Schedule an Installation
  • Corridor Window Tinting

    16670 S IH 35
    Ste B
    Buda, TX 78610
    (512) 400-4152
    More Details Schedule an Installation

The cheapest Ignition Interlock Device in San Marcos

Need a “car breathalyzer” device south of Austin? Smart Start provides the cheapest Ignition Interlock Device in San Marcos, Texas.

Over the last few years, San Marcos has gained quite a bit of attention as one of the nation’s greatest, fastest-growing cities. If you’re facing a DUI or DWI charge, you may be looking for what the locals call a “blow-and-go” device or an IID for your car.

But you want more than just a device. What you really need is an Ignition Interlock system — and Smart Start makes the cheapest Ignition Interlock Device in San Marcos.

We’re with you every step of the way

We understand that an IID requirement in Hays County can be overwhelming, but Smart Start provides you with a team of allies. We’re not just your interlock provider; we’re your resource throughout your program.

No matter what you need regarding the cheapest ignition interlock in San Marcos, Texas, you can call Smart Start for help. We have a 24/7 bilingual Customer Care Center staffed with fellow Texans who are standing by to answer your questions and address your concerns.

Start by scheduling an Ignition Interlock installation

The Smart Start journey begins with a quick, convenient installation. Call (800) 831-3299 or fill out our online form, and we’ll help you schedule an installation appointment at a convenient day and time for you.

We’ll also introduce you to more than 100 service centers in Texas so you can find the closest location. Each service center has qualified technicians who will treat your vehicle with the utmost respect. Installations of the cheapest Ignition Interlock Device in San Marcos are efficient, too — you’ll be in and out quickly!

No hidden fees, no long-term contracts

Once you have the interlock, you only need to return once a month for services. The appointments are low-cost, and we’ll never charge you if you miss one. There are no hidden fees, no long-term contracts; that’s our promise.

Call Smart Start today at (800) 831-3299 or submit a completed online form to schedule your installation of the cheapest Ignition Interlock Device in San Marcos.

Excellent TrustScore of 4.7 out of 5