Best customer service ever!
Felicia was so informative and helpful. I was able to navigate this process with her help. She is a huge asset to your company. Great experienc!
By Cheryl
Sunday, November 8, 2026 · Customer reviews of US businesses
The Fair Hearing score
Great
813 reviews
Select a line to read only those reviews.
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
Felicia was so informative and helpful. I was able to navigate this process with her help. She is a huge asset to your company. Great experienc!
By Cheryl
Got me in fast
By William
Melissa was extremely helpful. She explained everything to me and answered all my questions to ensure I knew exactly what is happening.
By Eileen
Representative had information for all my questions and helped me quickly, and thoroughly.
By Taylor
My customer service rep was extremely helpful and kind couldn't have had a better experience given the circumstances.
By willian
Melissa Aldas was very helpful and knowledgeable . I appreciated her help getting me set up for my appointment and making the experience easy for me
By Luis
Melissa was awesome
By Kevin
Very helpful and informative
By Mike