Scott Dixon, left, and Tony Kanaan sign autographs prior to the Rolex 24 race Jan. 25 at Daytona International Speedway. Both drivers are tentatively scheduled to participate in a day-long test session next Monday at Auto Club Speedway in Fontana to prepare for the MAVTV 500 there on Aug. 30. The session is open to the public.
John Raoux / Associated Press
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