What are the reasons for an automatic transmission not shifting gears?

1 Answers
Josie
07/30/25 7:36am
Automatic transmission not shifting gears can be caused by: 1. Gear lock; 2. The car was not fully braked when parking, and the P gear was directly engaged, resulting in the gear brake being unable to shift. Automatic transmission vehicles can automatically select the appropriate gear for driving based on the speed and traffic conditions. There are 6 gear positions for automatic transmission cars, namely P gear, R gear, N gear, D gear, S gear, and L gear. Precautions for shifting gears in automatic transmission: 1. Do not step on the accelerator pedal when shifting gears; 2. Do not immediately press the accelerator pedal hard after engaging the gear; 3. The vehicle can only be started in P or N gear; 4. The gear lever must be removed from P gear by stepping on the brake; 5. Do not shift into N gear while driving; 6. Do not push into P gear while the car is moving; 7. When changing the direction of travel, switching between D gear and R gear must be done after the vehicle has come to a complete stop.
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