If you have a key fob and have ever been curious about the circle arrow button and its function, here's what it means.

Reaching over the side of the car to unlock the passenger door is easy enough, but it is certainly a little undignified.

Whether that's true is still up for debate, but there is a way to make the elevator door close faster and it doesn't involve a button at all. Video produced by Grace Raver. Additional camera by ...