The best use of hazard lights I've seen is in Mexico.
There are speed bumps and then there are Mexican speed bumps (topes).
They put these crazy ass speed bumps in the most random ass places from in the middle of small towns to the middle of a fucking highway.
Gringo tip: If you see hazard lights blazing on the car in front of you in Mexico, hit the brakes or you're gambling to lose a muffler and/or oil pan, possible General Lee 'Dukes of Hazard' launch. (Of course if you're driving anywhere but the Yucatan, you probably have bigger worries of being shot and/or kidnapped.)
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