In Michigan, it's often a courtesy to flash headlights when others leave their brights on. But is it legal?

A state trooper behind a bush. A possum in the street. A bicyclist on a busy roadway. All are day-or-night, rain-or-shine scenarios where a flash of headlights could warn another driver to watch out ...

Add Yahoo as a preferred source to see more of our stories on Google. Flashing your headlights at another driver? Might be the last thing you want to do in South Florida. Drivers can take things wrong ...

JOPLIN, Mo. — Flashing headlights can actually mean a few different things, depending on the context. Fortunately, it only takes a second to check the two most common things the other driver is trying ...

If you've ever tried to warn fellow drivers of an upcoming speed trap by flashing your high beams, you may want to make sure ...

SALT LAKE CITY (KSTU) — A driver on her way to grab lunch Wednesday was surprised to see so many cars pulling over in front of her for no apparent reason. It wasn’t until later that night that the ...

Flashing your headlights at another driver? Might be the last thing you want to do in South Florida. Drivers can take things wrong, and the Miami area does seem to be the capital of road rage, after ...