Question

It is illegal to hace _ emergenci lights on you chicle

Answer 1

It’s not illegal to do so

Answer 2

It's not illegal, but never have them on while driving unless you need to warn drivers behind you of a hazard or you're carrying something like for example: On freeways there are some semis and regular trucks who are hauling something/s and need to warn people that it's hazardous or to be careful when passing