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Location | Hi-Lo Voltage Auto Diagnostics and Repair
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Let's Talk Shop

Hannah B • February 18, 2025

Allow Us to Re-Introduce Ourselves

Our name is Hi/Lo. Although our name is fairly new to the business, we've actually been around for a few decades. Our head honcho Jason has been in the industry since he was sixteen (no need to do the math). Our leading lady Karri has been by Jay's side for almost 30 years, and is extremely well-versed when it comes to customer service. Their youngest daughter Hannah, having worked with her parents on and off since she was 16, is now helping them settle into what is essentially the final installment of their automotive business venture: Hi/Lo Voltage Auto Repair & Diagnostics. We'll get more into personal matters in a moment, but for now let's talk shop.

We're a small, family-owned business that takes pride in providing a transparent, trustworthy, and exceptional automotive service experience. We believe every customer is like family, and strive to make each repair experience as pleasant as possible. We're also firm in our belief that the automotive industry needs to take greater steps in reducing the ever-growing "carbon footprint." One of our main goals is to make adjustments and changes in order to minimize our environmental impact while providing top-notch repairs. 

We specialize in drivability diagnostics and proudly offer a wide range of services for most automotive makes and models. Jason is an ASE-certified technician and licensed California smog inspector/repair tech, bringing expert knowledge to each job. Equipped with state-of-the-art equipment and tools, we are ready and able to tackle any challenge–whether it be routine brake services, electrical diagnostics, or engine and transmission repairs. 

We can be found at 257 North Emerald Drive Ste C, Vista, CA 92083.

WHO'S RUNNING THIS SHOW?

Let's dive a little deeper into who's fixing your cars

Now that formal introductions are out of the way, we can dive a little deeper into who we are and why we’re doing this. 


As you may know by now, Jason (aka Jay) is a seasoned vet in the industry. He was only 16 when he started working at a little service garage at a gas station in Carlsbad. It was there he began to show his innate ability to diagnose issues early on, even when others struggled. This fueled his passion and a keen interest in redefining the auto repair experience as a whole, eventually driving him to open Hi/Lo Voltage Auto Diagnostics and Repair in May of 2024—the shop that represents his vision of a passionate interest in emerging technologies in the automotive world and ultimately reimagining the way auto repairs work. 


If you’ve called or walked into the shop, there’s a very good chance you’ve had the pleasure of meeting and talking with Karri. Married to Jay for almost 30 years, her automotive world experience essentially began with him. She spent several years learning the ins-and-outs of customer relations, and worked to become our Customer Relations Specialist. As an integral part of the Hi/Lo vision, she demonstrates her love for customers with everyone she meets and will immediately make anyone feel at home. Her warmth and hospitality fully support our belief that auto repairs should be seamless and soothing. 


Working mostly behind the scenes, their youngest daughter Hannah is quickly learning all the aspects of this family business. As Jay and Karri’s daughter, she has grown up in the automotive world, and began involving herself directly when she was about 16 years old. Now, almost a decade later, she is taking all the knowledge acquired through the years and applying it to our shop. She has devoted much of her time to managing our social media pages and website, overseeing aspects of general operations, and is currently training to be an automotive technician. Equipped with her parents’ vision for the future of the shop and the industry, she fully understands the importance of being as eco-friendly as possible. She is striving to learn how to improve the direction of the auto industry by working to reduce our environmental impact, while still ensuring the highest quality repair work is provided to each customer. 


Our technician, Esteban, became interested in learning car repairs around the age of 18, mainly because his car started breaking down. Throughout the years, he has gained valuable knowledge and experience, allowing him the ability to diagnose and repair almost any automotive issues. He began working for Jay, who quickly realized Esteban’s potential, and assisted in fine-tuning his skills. Jay now fully trusts him with both simple and difficult diagnostics and repairs alike. Esteban is learning welding, while maintaining his ability to fix cars in a reliable and timely manner. He continuously contributes and supports our vision of an all-around improved automotive service experience.

The Big Picture

We’ve been doing our research and learning which steps to take to practice sustainability in our shop. While we continue taking these steps and growing with the industry, we will consistently provide a transparent and trustworthy auto repair experience, and offer you a steadfast place with friendly faces to trust for the utmost quality repairs on your vehicles in this fast moving and sometimes intimidating industry. In short: a trusted mechanic who you know will take good care of you and your car, as well as the planet.

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