Poseidon Car Wash is a self-service car wash that has recently improved under new ownership. Customers praise the facility for being clean, modern, and well-maintained, with upgrades such as powerful deep-clean rainbow soap and an air dryer in the self-serve bays. The covered area with water and wringers makes drying and detailing convenient. Many visitors appreciate the friendly staff, with owners on-site who are helpful and responsive to concerns, including quick resolutions for any issues. The wash options include a touchless service, which many find effective at cleaning vehicles thoroughly. Customers also value the availability of vacuum stations and the ability to wash and detail their cars at their own pace, especially during less busy times. While some have experienced minor problems, such as overcharging or dissatisfaction with specific wash results, the management generally responds promptly and courteously to address concerns. Overall, Poseidon Car Wash is recommended for those seeking a clean, well-equipped, and customer-friendly place to wash their vehicle. The facility offers a good combination of self-service options and helpful staff, making it a popular choice for regular and occasional car washes.