Answer
DTM stands for Deutsche Tourenwagen Masters, a renowned touring car racing series primarily held in Germany. Pietro Fittipaldi, a professional racing driver, has participated in DTM alongside his commitments in the IndyCar series. DTM features high-performance modified production cars, offering a unique and challenging racing environment. Fittipaldi's experience in DTM has contributed to his versatility as a driver, showcasing his adaptability to different racing disciplines.