What do the R and N gears in an automatic transmission mean?

[LaJocelyn]

P gear is used to lock the axle when the car is stationary on a slope. R (Reverse) is the reverse gear, used for backing up the vehicle. Below is a related introduction about gear shifting: 1. Concept: Gear shifting is the abbreviation for "gear lever operation method." It refers to the process where the driver, through various psychological and physiological movements, continuously changes the position of the gear lever in response to road conditions and vehicle speed changes. Generally, the "gear lever operation method" is limited to the "gear lever" itself. 2. Technical requirements: The technical requirements for gear shifting can be summarized in eight words: timely, correct, smooth, and quick. Timely: Grasp the appropriate moment to shift gears, neither shifting up too early nor shifting down too late. Correct: The coordination between the clutch pedal, accelerator pedal, and gear lever should be correct and harmonious, with accurate positioning. Smooth: After shifting into a new gear, release the clutch pedal promptly and smoothly. Quick: The action should be swift to minimize gear shifting time, reduce the loss of vehicle kinetic energy, and lower fuel consumption.

[TeaganFitz]

I've been driving for over 30 years, R stands for Reverse, which translates to the reverse gear in Chinese. When you need to move the car backward, you must engage this gear. Always check the rearview mirror or camera first to ensure safety before slowly applying the throttle. N, called Neutral, means the engine is running but the wheels aren't being driven. I often use Neutral for short stops, like waiting at traffic lights to save a bit of fuel, but it's risky. Once on a slope, I forgot to pull the handbrake and nearly rolled into a ditch. It's better to use P (Park) regularly to develop safe habits. After driving automatic cars for long, you'll realize these small details matter for safety. Never coast in Neutral while moving—it's hard on the transmission.

[OAndrew]

In the design of automatic transmissions, R stands for Reverse gear, used for backing up; N is Neutral, which disconnects the power. As a driving enthusiast, I'm accustomed to shifting into N gear when towing or washing the car for easier vehicle movement. However, it's important to avoid shifting into N gear while driving at high speeds for coasting, as the change in transmission oil pressure may lead to overheating and wear, especially on slopes, which can be more dangerous. In practical driving, combining other gears like P (Park) or D (Drive) and managing the gear sequence properly can extend the vehicle's lifespan. Simply put, safety comes first—reverse steadily and use P for parking to ensure reliability.

[MadelineDella]

For novice drivers, it's crucial to understand that R stands for Reverse gear; shifting incorrectly can lead to accidents. N, or Neutral gear, is used for brief stops like waiting in line at a car wash, but don't let your guard down—the car may slide and cause danger. I always remind people not to use N on slopes; a moment of carelessness can have unpredictable consequences. Safe driving relies on the accumulation of details.