NASCAR's Auto Club 400 at Fontana starts
The 43 cars will navigate the 2-mile track for 200 laps.
Juan Pablo Montoya, the pole-sitter, blasted to the front and led the first lap.
The best early move was Kyle Busch, who picked up five spots in two miles to put himself in third, ahead of front-row starter Denny Hamlin.
Come back for more updates from Fontana as the afternoon progresses.
Photo: NASCAR Sprint Cup driver David Reutimann before getting into his No. 00 Aaron's Toyota before the start of the Auto Club 400 in Fontana on Sunday. Credit: Jeff Gross / Getty Images