Shayna Lacey was traveling east on U.S. 50 in Aurora when she apparently lost control of her vehicle around 5 p.m.
The car crashed into the front porch of an unoccupied home across from a BP gas station near Green Blvd.
Lacey said became startled when a spider landed on her steering wheel causing her to lose control, police said.
Lacey and a passenger in the vehicle suffered minor injuries and were taken by ambulance to Dearborn County Hospital.
The crash remains under investigation by the Aurora Police Department. Officers were assisted at the scene by the Aurora Fire Department.