Should Automatic Transmission Vehicles Be Turned Off Before Shifting to P Gear or Vice Versa?

1 Answers
DeColeman
07/25/25 12:21am
Automatic transmission vehicles should be shifted to P gear before turning off the engine. The P gear, also known as the Parking gear, derives its name from the English word 'Park,' meaning to stop or park. When the driver shifts into P gear, it signals the vehicle's computer that the car is stationary and ready to be turned off. Reasons for shifting to P gear before turning off the engine: 1. Prevents sudden movement: In reality, the engine can be turned off in any gear. However, if turned off in D gear or R gear, the car may lurch forward or backward upon restarting, which is hazardous. If turned off in N gear, the car can still move under external force, posing potential risks; 2. Cuts off power transmission: P gear is similar to N gear in that both can cut off power transmission inside the transmission. However, P gear includes an additional locking mechanism that secures the output shaft, preventing both wheels from rotating in the same direction.
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