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Why is there a P gear when there is an electronic handbrake?

1 Answers

DeHenry

07/30/25 7:14am

The difference between electronic handbrake and P gear: 1. Different functions: The P gear is designed to lock the axle when the car is stationary on a slope. The electronic handbrake is a technology that achieves parking braking through electronic control. Its working principle is the same as that of a mechanical handbrake, both of which use the friction generated between the brake disc and the brake pad to achieve parking braking, except that the control method has changed from the previous mechanical handbrake lever to an electronic button. 2. Different working principles: The electronic parking brake system integrates the temporary braking function during driving and the long-term braking function after parking, and realizes parking braking through electronic control. The P gear is a gear evolved from the N gear. In addition to putting the transmission in neutral mode, it also has a pawl inside the gearbox to lock the gear on the output shaft to form a mechanical lock, thereby locking the drive axle to fix the vehicle in a stationary or slightly moving state.

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