Smart Start Ignition Interlock

Hi-Tek Car Audio

1600 Baker Rd
Sherman, TX 75090

#1 Ignition Interlock from $1.99/day

No Long Term Contracts

Same-day installation available

(903) 259-3984

Book your install now

Hours of Operation:

Day	1st Hour Block	2nd Hour Block
Sun	Closed
Mon	Closed
Tue	10:00am - 6:00pm
Wed	10:00am - 6:00pm
Thu	10:00am - 6:00pm
Fri	10:00am - 6:00pm
Sat	Closed

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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Reason for Interest *

Interested in an IID ASAP (within 7 days)

I eventually need an IID (in MORE than 7 days)

I am a current customer and need customer service

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I consent to 1A Smart Start LLC and/or its franchisees' reaching out to me multiple times on an ongoing basis using telephone, text and/or email, including autodialed and prerecorded calls and texts, about our products, services, promotions, and other offers. This consent is not required to purchase goods or services. To opt-out of text messages reply "STOP", and to opt-out of emails click the unsubscribe link in the email. For texts, text "HELP" for help.

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By providing my information and clicking “Book Your Install Now,” I authorize [Insert Legal Name of Franchisee, distributor, or affiliate] to contact me at the phone number above via phone and/or text using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, reply “STOP”.

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Installation Due Date

Date of Birth

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State Authority Name

Preferred Date

Preferences are subject to change based on availability.

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Questions/Comments

Or Call (903) 259-3984 Now!

¡O llame ahora al (903) 259-3984!

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 COSTS

3,000+ Locations - Same Day Install

Quick installs by skilled technicians at convenient U.S. locations.

FIND A LOCATION

Discreet, Easy-to-Use Devices

Reliable, hygienic devices with guided tests and easy English-Spanish switching.

SMART START DEVICES

24/7 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 Hi-Tek Car Audio in Sherman

Name: Smart Start Ignition Interlock
Address: 1600 Baker Rd, Sherman, TX, 75090, US
Telephone: (903) 259-3984
Rating: 5

If you need to install an Ignition interlock in Grayson County, Smart Start can provide you with the most affordable, efficient and discreet Device in Texas.

Smart Start’s service hours are built on the utmost convenience. Hi-Tek Car Audio’s hours are Monday, Wednesday, Thursday and Friday from 10:30 a.m. to 6 p.m., and Saturdays from 10:30 a.m. to 2 p.m.

We are ready to help you through your Interlock program!

Call Smart Start today at (903) 259-3984 to schedule an appointment. You can also fill out our online form in minutes! Look for other convenient Smart Start locations in Sherman, Bonham, Denison, Whitesboro, or throughout Texas.

(903) 259-3984

Frequently Asked Questions

How much does an Ignition Interlock Device cost in Texas? What are the fees?

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.

How often does my IID need to be serviced in Texas?

Texas mandate dictates that you will need to service your Ignition Interlock Device (IID) once every 30-67 days as determined by your jurisdiction.

What do I need to bring to my installation in Sherman?

Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring the following to your IID installation appointment:

Two forms of photo identification
Any and all court paperwork that has been given to you
Proof of residence
Car insurance and vehicle registration

If the vehicle is not yours, you will need to provide a letter of permission from the owner of the vehicle stating that you are allowed to install an Ignition Interlock Device.

How can I pay for calibration?

In Texas, 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.

What constitutes a violation in Texas?

In Texas, any and all of the following may constitute a violation:

Testing at or above the fail level of .030
Skipping or failing a rolling re-test
Missing your scheduled IID service appointment

Learn more about Interlock Device violations.

Where can I go for service? Anywhere, or just within my state?

Texas state law dictates that you can service your Ignition Interlock Device at any Smart Start service center nationwide unless informed otherwise by your State authority. Find the nearest Smart Start service center here.

Nearby Locations

Shipman Communications

1815 W Morton St
Denison, TX 75020

CLOSED – Opens at 8:00am Mo

Services at this Location:

Installations, Calibrations

(903) 361-4033 More Details

Shipman Communications Inc

4530 W Main St
Durant, OK 74701

CLOSED – Opens at 9:00am Mo

Services at this Location:

Installations, Calibrations

(580) 634-3181 More Details

Krazy Ace Performance

108 West Walcott St
Pilot Point, TX 76258

CLOSED – Opens at 8:00am Mo

Services at this Location:

(800) 831-3299 More Details

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

March 21, 2026

"Everyone was helpful! Not a big fan of call centers but got through it."

Robert A.

United States

March 21, 2026

"My experience was great until I spoke with the next representative who started that you will not be able to installed another device until my other one was taken out be previous company and they are under sometime off cyber, which lead them to shut down. And I am stuck with there device and not able to drive. But I will give you another chance, and will stay with your company. Thank you for taken the time out to read "

Donna G.

United States

March 21, 2026

"Robby did a great job, very thorough and helpful."

Zack S.

United States

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Find a location near you!

Hi-Tek Car Audio

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

Or Call (903) 259-3984 Now!

¡O llame ahora al (903) 259-3984!

From $1.99/Day* - No Long-Term Contracts

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at Hi-Tek Car Audio in Sherman

Frequently Asked Questions

Nearby Locations

Shipman Communications

Services at this Location:

Shipman Communications Inc

Services at this Location:

Krazy Ace Performance

Services at this Location:

Get Started

Locations

Support

Partners

Contact Us

Find a location near you!

Hi-Tek Car Audio

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?We can get you a quote faster if you fill out the information below.

Or Call (903) 259-3984 Now!

¡O llame ahora al (903) 259-3984!

Why Choose Smart Start Ignition Interlock?

From $1.99/Day* - No Long-Term Contracts

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at Hi-Tek Car Audio in Sherman

Frequently Asked Questions

Nearby Locations

Shipman Communications

Services at this Location:

Shipman Communications Inc

Services at this Location:

Krazy Ace Performance

Services at this Location:

See What Everyone Says About Our Ignition Interlock

Get Started

Locations

Support

Partners

Contact Us

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.