AUTO: SEP 17 IndyCar - GoPro Grand Prix of Sonoma

SONOMA, CA - SEPTEMBER 17: Marco Andretti (#27) in the Honda powered, United Fiber & Data IR12 at the bus stop (turn 9A) during warm-up for the Verizon Indycar Series, GoPro Grand Prix of Sonoma held at Sonoma Raceway, Sonoma, CA. (Photo by Allan Hamilton/Icon Sportswire)