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There must be something you don't know about the car knowledge book!

The early carburetor car in neutral can save fuel, but now we use the EFI car is not. Because some cars release the throttle in the acceleration, the injection system to stop the fuel supply, when the engine speed down to 2000 rpm to resume fuel supply, so the EFI car will save fuel when coasting with gear at high speed, put in neutral instead of fuel consumption.

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2022

08-26

Working principle of reversing radar

The working principle of reversing radar is very simple, it consists of three parts: ultrasonic sensor, controller and buzzer. When working, the ultrasonic sensor emits ultrasonic waves to the outside and reflects back after the ultrasonic waves hit the obstacle, which is received by the ultrasonic sensor again, while the controller calculates the distance between the vehicle and the obstacle according to the time of ultrasonic wave emission and return, and finally alerts the driver with a sharp alarm sound through the buzzer. Jotun company was founded in 1994, specializing in the manufacture of "car intelligent one-touch start system" reach unlock comfort entry system, car tire pressure monitoring system, one-way, two-way, liquid crystal display immobilizer, reversing radar, and other electronic products.

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2022

01-20

Window Lifter Principle

The automatic window lifter, only after the car key is turned off, will take effect, and the window closing will only take effect once. Meanwhile, there are three modes of automatic window lifters. One is to automatically start closing the windows immediately after removing the key after the car key is turned off. Two is to automatically start closing the windows after the car key is removed and the driver's door is closed after the car key is turned off. Third, after the car key is turned off, close the car door, and automatically start to close the window when you press the remote control. The standard order of closing windows is: driver's window, passenger's window, passenger's rear seat window, driver's rear seat window in order to close. Of course, each person himself is free to choose, will automatically raise the control line of each window, according to the entire window ground to adjust, the order of closing the window can be changed. Owners can choose the appropriate automatic window closing mode and window closing order according to their own needs

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2022

01-20

Turbo Delay Definition

Turbo delay, it is a device to protect the turbocharged engine, the original turbocharged engine cars usually have this kind of equipment, but some retrofit turbocharged cars need to be installed separately this device. Because the exhaust gas turbine is driven by the exhaust gas from the engine to generate high speed rotation boost, the vehicle can reach tens of thousands of revolutions, if the sudden flameout may damage the turbo, and the delayed flameout device to play a high-speed rotation of the impeller slowly down to normal speed, and then flameout, thus playing a role in protecting the turbo!

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2022

01-20

Car security equipment classification

Car fingerprint identification anti-theft system is the latest and popular international anti-theft system with the best anti-theft effect. It controls the car's electric circuit, oil circuit, starter motor, etc. through the uniqueness of human fingerprint's biological characteristics, thus achieving the purpose of anti-theft.

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2017

01-18

What are the ways of car anti-theft

Currently, the most common is our electronic alarm device. As an anti-theft device for each car, although it is difficult to ensure the safety of the vehicle at all. However, the owner can at least grasp the dynamics of the vehicle in a certain environment.

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2017

01-18