Sounding of horn.
Section 61
SEC. 61. Sounding of horn.—When overtaking persons or vehicles, approaching a highway intersection where the view is obstructed, and at any other time necessary for the safety of the public, every operator shall sound his horn: Provided, however, That no operator of a motor vehicle shall blow or sound his horn unnecessarily or while the vehicle is not in motion; and that no person other than the one actually operating or having actual charge of a motor vehicle shall sound or blow the horn of the motor vehicle.