"Car Wash" is a song by the American soul and R&B band Rose Royce. Written and arranged by the ex-Motown producer Norman Whitfield,the song was the group's first single and one of the most notable successes of the 1970s disco era. "Car Wash", the theme of the 1976 film Car Wash, was Rose Royce's most successful single and the lead single from their first studio album, the Car Wash soundtrack. Reaching number one on the US Billboard Hot 100 and Hot Soul Singles charts, "Car Wash" also peaked at n