What film by George Lucas was a homage to his life as a car obsessed teenager?

The film by George Lucas that pays homage to his life as a car-obsessed teenager is "American Graffiti." Released in 1973, the film captures the spirit of adolescence in the early 1960s, showcasing the culture of cruising and car culture in a small American town. It reflects Lucas's own experiences and nostalgia for that era, blending coming-of-age themes with a vibrant soundtrack and iconic vehicles.