What do R, N, D, and S stand for in an automatic transmission car?

1 Answers
VonEmilio
07/29/25 4:13pm
In an automatic transmission car, R, N, D, and S stand for: 1. R refers to the Reverse gear; 2. N refers to the Neutral gear; 3. D refers to the Drive gear; 4. S refers to the Sport mode driving gear. An automatic transmission refers to the car's automatic gear-shifting mechanism, where the control system of the automatic transmission selects the appropriate gear based on the engine's speed and load during driving, replacing the driver's subjective judgment of timing and gear-shifting operations. The types of automatic transmissions include: 1. Hydraulic automatic transmission; 2. Hydrodynamic automatic transmission; 3. Electric automatic transmission; 4. Stepped mechanical automatic transmission; 5. Continuously variable mechanical automatic transmission.
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