Car Wash
Starring Ivan Dixon, DeWayne Jessie, Bill Duke, Franklyn Ajaye, Sully Boyar, Melanie Mayron, June Pointer, Anita Pointer, Lauren Jones, Ruth Pointer
It's a comedy and musical movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from France.