Former IndyCar Series driver Colton Herta has revealed that the heavily restricted practice format in the Formula 2 championship has served as a 'wake-up call' as he adapts to life on the Formula 1 feeder series ladder.<br>The 26-year-old walked away from his successful career in IndyCar to pursue his dream of racing in F1. As he competes in F2 with Hitech, he also serves as a test driver for the ...<a class='more' href='https://www.motorsport.com/f1/news/cadillac-f1-test-driver-colton-herta-reveals-formula-2-wake-up-call-/10817095/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>