Sunday, November 8, 2026 · Customer reviews of US businesses
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813 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Guardian Interlock provides ignition interlock systems (also known as "blow and go" or "car breathalzyer" for people who need or want them after a DUI/DWI arrest. We provide high quality services and devices to make the process of installing and using an interlock as easy as possible.
Guardian Interlock (guardianinterlock.com) has 813 customer reviews on The Fair Hearing, with an average rating of 4.0 out of 5.
Showing 541 reviews with 5 stars · Clear filters
Thank you very mutch for your help it was fast and affordable you are great Claudia
By Bryant K.
Response from Guardian Interlock· Sep 24, 2021
Our Guardian Customer Support Experts strive to provide courteous, accurate, and respectful service to all of our clients. Thank you so much for acknowledging Claudia. We will make sure to let them know they are doing a great job!
Samaris was an awesome help, Answered all my Questions thoroughly, was very pleased on the kindness. Wonderful lady ❤️
By Patricia L.
Response from Guardian Interlock· Sep 22, 2021
Based on the information you've provided, we believe you intended to leave this review for LifeSafer and have sent a request to you to have your review transferred.
Great customer support. Very professional and kind.
By Jav
Response from Guardian Interlock· Sep 20, 2021
We appreciate you sharing your feedback with us and the Guardian community today. We are always looking for ways to improve when we need to and continue when we get it right. Thanks for letting us know we are doing well!
Customer service is always so nice and understanding
By Tory W.
Response from Guardian Interlock· Sep 20, 2021
Providing top-quality customer support is a core value for Guardian. We are happy that you had a five-star experience with us.
Very helpful
By Angela B.
Response from Guardian Interlock· Sep 16, 2021
We are so grateful for your kind words. Thanks for sharing your review with us and the Guardian community.
She was quick to help while being polite.
By Yuliya J.
Response from Guardian Interlock· Sep 15, 2021
Thank you so much for your kind words. We are glad to have been of assistance and wish you success with your program.
Claudia helped me out today with scheduling me for my interlock installation. She was very knowledgeable, kind, patient, and very professional. She answered all my questions and made me feel at ease. Thank you for all your help!
By Michael H.
Response from Guardian Interlock· Sep 14, 2021
Thank you for taking the time to share your experience with our Guardian Customer Support Expert, Claudia. I have forwarded your review to our management team to recognize their outstanding service!
We needed to change from monthly to bimonthly, readjust the recalibration date and find out the removal date. Enney spent quality time arranging and explaining everything she did 👍
By violet B.
Response from Guardian Interlock· Sep 13, 2021
Every client has different needs and challenges with the interlock process. We train our Guardian Customer Support Experts to be a trusted source of information and appreciate your taking the time to compliment Enney today. We’ll be sure to pass along your kind words.
