If you’ve ever glanced at your car’s center console or dashboard and noticed a button labeled “Sport” (or “S” on some gear shifters), you might have wondered what it does. Is it just a gimmick, or ...

If you're a new driver -- or you're new to the world of automatic transmissions -- it's always helpful to brush up on what the letters on the shifter actually do. Alongside P, R, N, and D, plenty of ...