Automatic car start the correct method illustrated:

1, sit on the driver's seat, step on the brake pedal.

2, hold down the "one key start" button (press once for the power switch, long press 3-5 seconds to start the engine).

3, gear, according to the forward or reverse need to operate on the gear. Then release the electronic handbrake (gently lift a press can be).

4, release the brake pedal, the vehicle moves, the start is complete.

5, quasi off, slowly step on the brake, gradually decelerate until stop.

6, put the gear in N gear.

7. Pull up the electronic handbrake.

8, press the "one key start" button to turn off the engine and power can be.

Principle of automatic transmission:

Automatic transmission utilizes a planetary gear mechanism to change speed, which can automatically change speed according to the degree of the accelerator pedal and speed changes. The driver only needs to manipulate the accelerator pedal to control the speed of the car.

Generally speaking, there are several types of automatic transmissions commonly used in automobiles: hydraulic automatic transmissions, hydraulic transmission automatic transmissions, electric transmission automatic transmissions, graded mechanical automatic transmissions and stepless mechanical automatic transmissions. The most common is the hydraulic automatic transmission.

Hydraulic automatic transmission is mainly composed of hydraulic control gear transmission system, mainly contains automatic clutch and automatic transmission two major parts. It is able to shift gears automatically according to the opening of the throttle and the change of vehicle speed.

Refer to Baidu Encyclopedia - Automatic Transmission for the above