For nearly 40 years, Valvoline Instant Oil Change℠ is the Quick, Easy, Trusted name in preventive vehicle maintenance for all types of vehicles. From 15-minute, stay-in-your-car oil changes to a wide range of maintenance solutions, we take the worry out of vehicle care in Castle Hills.

Seymour's Garage – San Antonio's trusted auto repair shop since 1968. We're a family-owned business committed to honest and reliable car repair and maintenance. Our "IF IT AIN'T BROKE, DON'T FIX IT" philosophy ensures no unnecessary repairs. Our expert mechanics specialize in both domestic and import vehicles, using advanced diagnostics to accurately address issues. We offer a full range of... Read More about Seymour's Garage

DPF Alternatives offers complete after-treatment and DPF restorations for all years, makes, and models. We have the only proven method to return your system to factory specifications with our proprietary ultrasonic equipment that utilizes high-frequency sound waves. DPF Alternatives also offers DOC (Diesel Oxidation Catalyst), SCR (Select Catalyst Reduction) and EGR (Exhaust Gas Recirculation) cleanings and restorations. With over 11... Read More about DPF Alternatives San Antonio, TX