Apex Diagnostics, LLC (dba. Simi Diagnostic Center) is a purpose-built, 4,000+ sq. ft. facility in Simi Valley, California. We specialize in advanced diagnostics and ADAS calibration services for modern vehicles — including electric and luxury brands like Tesla, Rivian, and more. Every service we provide meets strict OEM guidelines and is performed using certified tools and procedures. Our goal is simple: help restore your vehicle’s safety systems to factory-level performance with precision and transparency. Whether you’re here after a collision, windshield replacement, or just need a sensor reprogrammed, we’re ready to help.

From lighting to floor leveling, every part of our facility is built to meet the demands of today’s calibration technology. We’ve engineered the space for accuracy, from controlled lighting conditions that minimize sensor interference to laser-leveled floors that support precise alignment. Our technicians work in an environment free from external variables, using OEM-approved tools and procedures to ensure consistent, factory-grade results. Whether calibrating radar systems, cameras, or weight sensors, we’ve created a setting where precision isn’t just possible — it’s built in.