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Car manufacturers have spent all sorts of development dollars to make cars safe.  We now have air bags, lane change assist, rear cameras for backing up, and all sorts of other gadgets.

But there’s one underused part of the car that Trooper John Perrine of the Indiana State police wants people to use more:

The turn signal, that little lever that sticks out of the side of the steering wheel.

And he’s on to something.

Fox News, citing a Society of Automotive Engineers report, said roughly half of all drivers don’t use turn signals, and the same group says the failure to use a turn signal results in two million wrecks a year.


So, yeah, it’s a good idea to use the turn signal.

Related: How to replace your blinker fluid at home