How to use the automatic transmission A button?

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A stands for AutoHold, the automatic handbrake. Press it downward to activate. Here is some related information about automatic transmission: 1. Introduction: Automatic transmission, as the name suggests, does not require the driver to manually shift gears. The vehicle will automatically select the appropriate gear based on driving speed and traffic conditions. Generally, automatic transmission cars have six gear positions, from top to bottom: P, R, N, D, S, L. 2. Automatic Principle: The automatic transmission uses planetary gear mechanisms to shift gears. It can automatically change gears based on the degree of throttle pedal and speed changes. The driver only needs to control the speed with the accelerator pedal.