Why is R the Reverse Gear?
2 Answers
R stands for reverse gear because it is derived from the first letter of the English word "reverse." The reverse gear enables the vehicle to move backward, with its direction of travel opposite to that of the forward gear. Precautions for using the R gear include: 1. Ensure the car comes to a complete stop before engaging the R gear; 2. Pay attention to the warning sounds from the reverse parking sensors; 3. Observe the surroundings and rear of the vehicle carefully. The functions of vehicle gears are: 1. P gear (Parking gear or Lock gear): Used when the vehicle is stationary or parked with the engine off; 2. N gear (Neutral gear): Used for temporary stops; 3. D gear (Drive gear): Engaged when the vehicle is moving forward.
I've been driving for many years and am very familiar with the various gears in a car's transmission. The reason why R stands for reverse gear actually dates back to the early design of automobiles. The English word 'Reverse' means to move backward, so engineers used its first letter R to represent the reverse gear, making it simple and universally understandable. I remember that after automatic transmissions became widespread, this standard remained unchanged. No matter which country you're driving in, when you see R, you know it's for reversing. Before shifting into R gear, I always habitually check the rearview mirror to ensure there's no one or no car behind, because once engaged, the car moves backward, which can easily lead to accidents. Some cars have additional safety measures, such as requiring the brake to be pressed before switching to R gear, to prevent accidental operation. These details make me feel that the design of the R gear is not just about letter choice, but also incorporates safety and practicality considerations, making it easy for both beginners and experienced drivers to use.