Car

Why do you have to step on the brake before starting an automatic car?

Hoang Cuong DNUM_BEZAJZCACE 16:21

Similar to the way a scooter must be started by pressing the brake, a user must first press the brake pedal to start an automatic car.

Unlike manual transmission cars, the basic operation when starting the engine is to depress the clutch. At this time, even if the car is in gear (the gear lever is in gear 1, 2, 3...), the car will not move because the clutch has been disengaged, so it is basically quite safe. With automatic transmission cars, when wanting to start the engine, the driver must step on the brake, then press the start button to "start" the car.

Vì sao trước khi khởi động ô tô số tự động phải đạp phanh?- Ảnh 1.
With automatic cars, when wanting to start the engine, the driver must step on the brake, then press the start button.Photo: Ba Hung

Some people who are new to driving automatic cars or have just switched from a manual to an automatic car often wonder why they must step on the brake pedal before starting an automatic car. Manufacturers also provide warnings (visual and audible on the dashboard) that the driver must step on the brake pedal if they want to start the car.

According to automotive engineering experts, there are many different reasons related to safety, anti-theft capabilities and many other factors... that make automatic cars designed to force users to step on the brake if they want to start the car.

First, regarding safety, according to car manufacturers, pressing the brake before starting an automatic car will cause the car to not move immediately after starting. The structure of the car's transmission system relies on the clutch connecting the engine and the transmission. If the system is not built like that, the car will be at risk of moving on its own as soon as it starts, even if it is moving slowly.

Vì sao trước khi khởi động ô tô số tự động phải đạp phanh?- Ảnh 2.
Applying the brake ensures that the vehicle does not move when starting.Photo: Ba Hung

Therefore, pressing the brake is to ensure that the car does not move when starting. If the car starts suddenly when starting the engine, it will be very dangerous, especially when the driver is not ready, it will cause the car to jerk, become uncontrollable, and can cause serious consequences.

In particular, in case someone in the car accidentally presses the start button, especially a child... If the brake is not applied, the car will not start, thereby helping to ensure the safety of the people in the car.

In addition, the fact that automatic cars require the brake to start will help prevent car theft. In foreign countries, car theft is quite common. Thieves can stand outside to break the key signal and start the engine. Therefore, to limit theft, car manufacturers design automatic cars to require the brake to start, at which point the car's central control box will recognize the key signal to start.

According to thanhnien.vn
https://thanhnien.vn/vi-sao-truoc-khi-khoi-dong-o-to-so-tu-dong-phai-dap-phanh-185240911103520119.htm
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https://thanhnien.vn/vi-sao-truoc-khi-khoi-dong-o-to-so-tu-dong-phai-dap-phanh-185240911103520119.htm

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Why do you have to step on the brake before starting an automatic car?
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