Indiana Code
Chapter 5. Horns and Emergency Warning Signals
9-19-5-2. Use of Horn During Operation of Vehicle

Sec. 2. The driver of a motor vehicle shall, when reasonably necessary to ensure safe operation, give audible warning with the horn on the motor vehicle but may not otherwise use the horn when upon a highway.
[Pre-1991 Recodification Citation: 9-8-6-35(a) part.]
As added by P.L.2-1991, SEC.7.