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 Five Star Index, with an average rating of 4.0 out of 5.
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813 approved reviews, newest moderated first
Alzander Zanwe’ Staley S.
Excellent and professional service, knowledgeable and respectful customer service. Answer all questions and provide additional information.
Response from Guardian InterlockMay 27, 2025
We’re thrilled to hear that Arthur gave you the stellar service experience Guardian strives to provide all our clients! We appreciate the time you took to leave this review. We’ll be sure to pass along your thoughtful words.
VINCE H.
Nothing at all
Response from Guardian InterlockMay 27, 2025
High-quality service and the satisfaction of our clients are of utmost importance to us at Guardian. We would like to find out more information regarding your concerns, so someone from management will be reaching out to you.
PATRICIA G.
Excelente servicio, muy clara información, y amabilidad de su parte
Response from Guardian InterlockMay 8, 2025
Gracias por compartir su experiencia con nuestro experto en atención al cliente de Guardian, César. He enviado su reseña a nuestro equipo directivo para reconocer su excelente servicio.
ELVER R.
Not good customer service after they receive payment
Response from Guardian InterlockApr 18, 2025
We appreciate your feedback and apologize for the lengthy hold times when reaching out to our Customer Support Center, your patience is appreciated. Please know that we now have an online chat option! Click the "CHAT WITH A SERVICE AGENT" button at https://www.guardianinterlock.com/support/contact-us/ to chat with a Service Specialist Mon - Fri 10:00 AM to 8:00 PM Eastern Time. We will have a Guardian Customer Support Expert contact you to see how we can best assist you during this time.
Kymberli
I'm still a pretty new customer. In previous calls, problems kept coming up and it was very confusing. The person I spoke with was polite and that made a big difference. Today, everything went smooth. Thank you.
Response from Guardian InterlockApr 7, 2025
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 you taking the time to compliment Joseline today. We’ll be sure to pass along your kind words.
ROMAN GALVEZ M.
Everybody has been really helpful whenever I have had doubts/questions and have had no problem at all when calling costumer service. Overall my experience has been great!
Response from Guardian InterlockMar 26, 2025
Thank you for the kind words! We’re so happy your experience with our Guardian Customer Support Expert, Daniel, went so well. I have forwarded your review to our management team to recognize their outstanding service!
DANIEL H.
The lady I was on the phone with was very helpful and never gave attitude
Response from Guardian InterlockMar 26, 2025
Our Guardian Customer Support Experts strive to provide courteous, accurate, and respectful service to all of our clients. Thank you so much for acknowledging Maria. We will make sure to let them know they are doing a great job!
MICHAEL W.
Very friendly and helpful costumer service.
Response from Guardian InterlockMar 17, 2025
Thank you for taking the time to share your experience with Alexis! They will be pleased to know their exceptional customer service made you feel valued and important to us. This is what Guardian strives to be for our customers, and we are thrilled to hear that Alexis was able to make you feel this way!