Oreillys Trunk-Or-Treat
O’Reilly Auto Parts 928 South 13th Street, Decatur, IN, United StatesO'Reilly Auto Parts hosts its annual Trunk-or-Treat Car Show at its Decatur, Indiana, store on Oct. 31, 2026, from 9 to 11 a.m. Participants bring decorated vehicles with trunks full of candy for the Halloween event. Spectators attend free. The store is at 928 South 13th Street.