May I suggest mounting a loudspeaker under the hood with a microphone in the drivers seat. Then you could remind the driver in question to use turn signals while on the road in a loud professional voice.
Your idea does have some merit especially for some amusement park fun.
Why don't people use turn signals?
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May I suggest mounting a loudspeaker under the hood with a microphone in the drivers seat. Then you could remind the driver in question to use turn signals while on the road in a loud professional voice.
Your idea does have some merit especially for some amusement park fun.