What happens if you accidentally shift to N gear while driving an automatic transmission car?

2 Answers
DelAniyah
07/25/25 4:30pm
Accidentally shifting to N gear while driving an automatic transmission car once or twice is generally fine, but prolonged use can damage the transmission. The correct parking procedure for an automatic transmission car is: 1. Press the brake pedal and shift to N gear; 2. Engage the handbrake, then shift to P gear; 3. Release the brake pedal and turn the key to shut off the engine. Precautions for shifting gears in an automatic transmission car: 1. Do not press the accelerator pedal when shifting gears; 2. Do not immediately press the accelerator pedal hard after shifting gears; 3. The vehicle can only be started in P or N gear; 4. To move the gear lever out of P gear, you must press the brake pedal; 5. Do not shift to N gear while driving to coast; 6. Do not push into P gear while the vehicle is moving; 7. When changing direction, switch between D and R gears only after the vehicle has come to a complete stop; 8. Shifting to N gear while driving prevents the oil pump from supplying oil normally for lubrication, which can cause the internal components of the transmission to overheat and result in damage.
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DeAdaline
08/11/25 9:51pm
I've been driving for over a decade, and accidentally shifting into N (Neutral) while driving an automatic transmission can be really dangerous, especially on highways. The car loses power and starts coasting, like rolling downhill, with the engine suddenly revving loudly. If you're braking at that moment, you might notice reduced braking power because you lose engine braking assistance. When shifting back to D (Drive), the transmission takes extra impact, wearing internal components. I experienced this once during a long drive and was lucky there were few cars around. Now I've developed the habit of only touching the steering wheel, not the gear lever. The core of safe driving is focus: no phones or distracting adjustments. If it happens, first reduce speed to a safe area, then gently try shifting gears, avoiding sudden braking that could cause a rear-end collision.
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