Cobblestone Auto Spa provides oil changes and car washes with quick, efficient service at competitive prices. Customers report being treated with respect and given plenty of time. The staff frequently goes above and beyond, performing diagnostic checks, explaining issues, and showing great attention to detail and a quality work ethic. The customer service is described as beyond great, with staff helping ensure customer satisfaction. For maintenance, the service is thorough and beyond expectations. The business offers a monthly subscription for car washes, which includes vacuuming and drying, and is considered worthwhile for frequent use. There are free vacuums and towels available for customer use. With many locations, it is a convenient choice. The overall experience is consistently good, with staff impressing customers and encouraging them to return for all vehicle maintenance needs.