For many years, drivers have relied on the familiar letters and numbers found on gear selectors to guide how their vehicles move. Manual cars typically display numbered gears along with an “R” for reverse, while automatic vehicles use letters like “P” for park, “N” for neutral, “D” for drive, and sometimes “L” for low gear. However, some older models included an additional marking—“E”—a feature that often surprises younger drivers who may not have encountered it before. Its presence once served a clear purpose, though it has gradually faded from modern designs.
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