Things to know...

...if you're going to be at California Speedway for the Auto Club 500 on Sunday.
Sammy Hagar will be performing on the Turn 4 Pre-race stage at 11:20 a.m. His little concert will last for 20 minutes.
Kevin Costner is the grand marshal of the race. Rick Schroeder is the honorary starter.
Brian McKnight will be singing the national anthem at approximately 12:28 p.m.
Costner will give the command, "Gentlemen, start your engines," at 12:35 p.m.
The Auto Club 500 is set to start at 12:47 p.m.