H-E-B Car Wash is known for its excellent customer service and reliability. One customer praised an employee named Yessenia for her calm demeanor while handling a difficult situation with a customer, showcasing her impressive customer service skills. Additionally, H-E-B has become a go-to option for grocery delivery, offering a user-friendly app that helps customers discover new products, all while maintaining a consistent stock of items. However, it is noted that the location can be busy, and customers should be aware that Apple Pay is not accepted at their registers. Overall, H-E-B Car Wash provides a decent experience for its visitors.