Ind. Code § 9-21-7-11
Flashing lights
Sec. 11. (a) Except as provided in subsection (b), a vehicle may not display flashing lights.
(b) Flashing lights may be displayed on a vehicle as follows:
(1) On an authorized emergency vehicle.
(2) On a school bus.
(3) On snow-removal equipment.
(4) As a means of indicating a right or left turn.
(5) As a means of indicating the presence of a vehicular traffic hazard requiring unusual care in approaching, overtaking, or passing.
(6) On a vehicle used in a funeral procession.
[Pre-1991 Recodification Citation: 9-8-6-29(c).]
As added by P.L.2-1991, SEC.9. Amended by P.L.80-2012, SEC.4.