Car horns are meant to be used in emergencies only, mostly to prevent accidents. Unfortunately in some countries like Israel (where I live) it has become more of a device for expressing anger or frustration.
Problem: Cars delivered to India come in for warranty repairs of the horns unusually often.
Root cause analysis: The horns are designed for 50k activation cycles. Due to the more intensive use in India, this is insufficient.
They were still debating whether to build in a sturdier horn everywhere or just for the Indian market...
"§5 Passing (5) Outside of cities/villages it is allowed to notify of a planned passing by short sound or light indicators. " (Uff, legalese is hard to translate.)