Meri jaan faida ye hay k agr ap ny kisi jahil driver ko cross kerna hay jo ap ko rasta nahi dy raha aur all of a sudden ap ko rasta mil jata hay lakin ap k peechy aik aur jahil driver araha hay to us waqt ye indicator kaam aae ga kyoun k peechy walla driver ko ap ka side mirror zayada clearly nazar aae ga
ab faida samjah aagaya ho ga ap ko.
jokes apart, its just for fun.