Smart Start Ignition Interlock
Green Mountain Auto World Inc.345 S Union Blvd
Lakewood, CO 80228
#1 Ignition Interlock from $1.99/day*. Same-day installation available
Services at this Location:
- Installations
- Calibrations
Book an Installation
With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.
Get a quick and easy IID installation with Smart Start! Get started today!
¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!
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Why Choose Smart Start Ignition Interlock?
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 ADVISOR
#1 Ignition Interlock Device Provider at Green Mountain Auto World Inc. in Lakewood
Do you need an Interlock installation in Lakewood, Colorado? Smart Start is your go-to Ignition Interlock Device installation service center, located at Green Mountain Auto World Inc. of South Union Boulevard.
Unlike other Interlock providers, our ignition device is discreet. It fits right in the palm of your hand!
Our customer service is also second to none. Open 24/7/365, including weekends and holidays, our customer care center is always here to help you get back on the road with our exceptional Interlock installation services in Lakewood, Colorado.
Call today to schedule your Ignition Interlock installation appointment in Lakewood, Colorado, at (720) 450-3980 or fill out our quick and easy online form.
You can also find more Smart Start locations in the Lakewood, Denver, Arvada, Edgewater, Golden, Englewood, Lakeside, Littleton and Wheat Ridge areas.
Driving Directions
On the corner of Alameda and Union
Frequently Asked Questions
The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees. Exact pricing varies by state. To get a quote today, call (800) 831-3299 to speak with a friendly Program Advisor.
Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring a photo identification (ID) and your vehicle registration. It may also be helpful to bring any documents that have been provided to you by the Colorado Division of Motor Vehicles.
You may service your Smart Start Ignition Interlock Device at any Smart Start service center in Colorado. In most cases, you may also service your IID at a Smart Start service center in another state if needed. However, we strongly suggest checking with your state authority before doing so. Find the nearest Smart Start service center here.
Colorado requires that your Ignition Interlock Device (IID) be serviced every 60 days.
In the state of Colorado, any and all of the following may constitute a violation:
- A skipped rolling retest
- Tampering with the Ignition Interlock Device in any way
- Any breath sample that registers a BrAC above .025 percent
Learn more about Ignition Interlock Device violations.
In Colorado, you can pay for your Interlock Device calibration via credit card at the Smart Start service center at the time of calibration or via the online Client Portal.
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See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
December 10, 2025
"Marissa was a great help and let me ask as many questions as I wanted (probably too many). She was very thorough and knew each and every answer to my doubts or questions. "
Vicente M.
United States
December 10, 2025
"Katina was awesome, had great customer service and made the process easy. "
Isaac N.
United States
December 10, 2025
"Great experience worker was extremely nice and helpful would highly recommend this company "
Mr. Roberto.
United States








