Which is the brake and which is the accelerator in an automatic car?

2 Answers
KeeganFitz
08/28/25 7:28am
In an automatic car, the left pedal is the brake, and the right pedal is the accelerator. This is because automatic cars have two pedals in the driver's compartment, while manual cars have three. Below is a detailed introduction to car pedals: In manual cars, from left to right, the pedals are the clutch, brake, and accelerator. The accelerator pedal is a car accessory designed to give the driver more control over the pedal, enhancing driving safety. Most accelerator pedals are made of aluminum alloy. Adding an accelerator pedal can significantly increase the vertical contact area of the pedal. The brake pedal is the pedal that limits power, also known as the foot brake. The brake pedal is used to decelerate and stop the car and is one of the five major controls in driving. It is used very frequently, and how the driver controls it directly affects driving safety. Methods of pressing the accelerator in manual and automatic cars: In manual cars, pressing the accelerator requires a "gentle press and slow release." This means the pedal should be pressed down slowly to gradually increase speed, resulting in a smoother acceleration process with less pronounced push-back sensation. If the accelerator is continuously pressed, the speed will gradually increase even without further pressure, at which point the pedal should be slowly released. Because the accelerator is sensitive, suddenly releasing it can cause the car to jerk. In automatic cars, since there is no need to manually shift gears, keeping the accelerator pressed is incorrect. Even if the accelerator is pressed all the way down, the speed won't increase significantly. The correct way to accelerate is to lightly lift the accelerator to signal the gear to shift up, then press the accelerator again. This can be understood as lightly lifting the accelerator each time the gear shifts up, and pressing it again to increase speed. Precautions for novice drivers: Novice drivers, who are less skilled, are advised to press the brake with their right foot when starting the car, as the accelerator is also controlled by the right foot. This helps avoid mistaking the accelerator for the brake in emergencies. Novice drivers should also remember to warm up the car in winter. This is simple: let the car idle for half a minute, then drive at low speed. Manual cars can be driven without pressing the accelerator for 3-5 minutes before normal driving. When encountering difficult situations like reversing, parking, or turning at intersections, novice drivers should stay calm and not feel overwhelmed. New drivers often lack road sense, but after driving about 10,000 kilometers, they will develop it and feel more comfortable behind the wheel. Novice drivers may also drift out of their lane. In such cases, they can check the rearview mirror to see the distance from the lane markings or use the center position of the dashboard to ensure they stay centered in their lane.
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KaiMarie
09/10/25 5:40am
When I first started driving an automatic car, I often wondered about this too. Now, after driving for over ten years, I can share some insights. When you're sitting in the car, there are two pedals near your right foot: the one on the left is the brake, which is slightly wider in shape—pressing it slows down or stops the car. The one on the right is the accelerator, which speeds up the car when pressed. Automatic cars only have these two pedals, unlike manual cars that also have a clutch. This design is for safety, to avoid stepping on the wrong pedal in a panic. Imagine you're on the highway and suddenly need to brake—having the brake on the left allows for a quicker reaction. When I was younger, I almost rear-ended another car once, but avoided it because my left foot was free and my right foot could quickly move to the left for braking. I recommend that beginners practice getting a feel for the pedals while parked, moving the right foot between the brake and accelerator until it becomes second nature. Also, check the pedal connections for looseness during regular maintenance—safety comes first.
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