RX Automotive

RX Automotive is an auto repair and maintenance shop in St. Charles, known for brake service, oil changes, engine diagnostics and A/C work. Its ASE-certified technicians service domestic, European, import and exotic vehicles, and the shop handles scheduled services at 30,000, 60,000 and 90,000 miles. In 2025 it joined the Diehl Auto Repair network, which now has six locations.

Appointments can be requested through the website, and the family-owned shop has a waiting room with free Wi-Fi, beverages and snacks. A loaner vehicle is available while your car is in the shop, and the shop offers a local shuttle and after-hours drop-off. Financing is available for larger repairs, and work is backed by a 2-year, 24,000-mile warranty.