Turn signals are one of the earliest automotive safety features. In the early 1900s, some cars came with mechanical arm "trafficators" that would pop out of either side of the car to indicate a turn.

A not-insignificant part of driving a vehicle of any kind, no matter how many wheels it has, is knowing the necessary methods for signaling intent — lane changes, warnings to other drivers, that sort ...

Question: I took my driver’s training course many years ago. One thing I remember from my training is the steps that goes into making a right-hand turn, including: Looking to my right to make sure no ...