What is the overtaking distance for Subject 3 driving test?

What are the uses of cruise control?

Cruise control maintains the vehicle speed as required by the driver. After turning on the switch, it automatically keeps the speed without the need to press the accelerator pedal, allowing the vehicle to travel at a fixed speed. Here are some introductions about cruise control: 1. The principle of the cruise control system mainly involves the cruise control component reading the pulse signal from the speed sensor and comparing it with the set speed. Through precise electronic calculations, it issues commands to ensure the most accurate fuel supply at the set speed. 2. The cruise control controller is generally located near the steering wheel and is mainly divided into lever-type, steering wheel button-type, and steering wheel control group-type.

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What does DSG mean in cars?

DSG in cars stands for Direct-Shift-Gearbox, which translates to direct shift transmission in Chinese, commonly known as dual-clutch transmission. Here are some introductions about DSG: 1. DSG is evolved from Dual-Clutch-Transmission (DCT) technology. 2. Advantages of DSG: fast gear shifting, providing excellent driving pleasure; high comfort; low energy loss, fuel-efficient. 3. Disadvantages of DSG: dry clutches generate excessive heat; while wet clutches may have insufficient friction.

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Can Buffed Tires Be Used?

Buffed tires can be used, but long-term use is not recommended. Here is some information about buffed tires: 1. Buffed tires, also known as shaved tires, are non-warranty products. They may be defective products identified during factory inspection, or they could be qualified products. However, to avoid the hassle of claims, they are directly sold as shaved products. Additionally, there are smuggled tires originally meant for export but sold domestically, as well as cross-regional parallel imported tires, all of which are buffed and sold at low prices. 2. Buffed tires can be used, but it depends on the owner's purpose. If you frequently drive on highways, it is not advisable to use these tires. Although they may not burst, their poor dynamic balance can cause vehicle vibration, affecting driving safety.

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Why does the car struggle to accelerate when climbing a slope?

There are several main reasons why a car may lack power and struggle to accelerate when climbing a slope: 1. Carbon deposits: When there is excessive carbon buildup in the vehicle, gasoline cannot burn completely, preventing the engine from operating at full efficiency, which makes the car feel like it's not getting enough fuel. 2. Poor fuel quality: If the fuel used is of low quality, impurities can clog the fuel filter and other components, obstructing fuel flow and affecting engine performance. 3. Clogged intake/exhaust systems: When the intake or exhaust system is blocked, it restricts airflow within the engine, reducing gasoline combustion efficiency and weakening the vehicle's power.

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What is the difference between hydraulic brakes and disc brakes?

Hydraulic brakes and disc brakes mainly have the following differences: 1. Different transmission methods: Disc brakes are a broad category that includes cable brakes and hydraulic brakes; hydraulic brakes are a braking control system that uses hydraulic pressure for braking and transmission. 2. Disc brakes are divided into mechanical disc brakes and hydraulic disc brakes: mechanical disc brakes are cable brakes; hydraulic brakes are hydraulic disc brakes or hydraulic disc brakes. 3. Mechanical disc brakes use ordinary brake cables inside the brake lines, while hydraulic brakes use brake fluid inside the lines. Hydraulic brakes offer significantly better feel and performance compared to mechanical ones, but they require regular fluid changes based on usage conditions.

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Is Engine Maintenance Necessary?

Engine cleaning and maintenance are necessary. The car engine requires regular maintenance, and when driving through particularly humid or dusty areas, it is also important to inspect and maintain the relevant components of the engine. When cleaning the engine fuel system, it is advisable to use an engine no-disassembly cleaner, as this type of cleaner does not require dismantling the fuel system. On one hand, it can thoroughly clean the fuel system, and on the other hand, it helps protect the engine's fuel system. More details are as follows: 1. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. 2. A small amount of sludge remains suspended in the oil, while a large amount precipitates out, clogging filters and oil passages, making engine lubrication difficult and leading to wear. 3. Additionally, when engine oil oxidizes at high temperatures, it forms varnish and carbon deposits that adhere to the pistons, increasing fuel consumption and reducing power. In severe cases, this can cause piston rings to seize and lead to cylinder scoring. Therefore, it is essential to regularly use BG105 (a highly efficient and fast-acting lubricating system cleaner) to clean the crankcase and maintain the cleanliness inside the engine.

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What is the overtaking distance for Subject 3 driving test?

What are the uses of cruise control?

What does DSG mean in cars?

Can Buffed Tires Be Used?

Why does the car struggle to accelerate when climbing a slope?

What is the difference between hydraulic brakes and disc brakes?

Is Engine Maintenance Necessary?

Which Air Setting to Use for Defogging Car Windows?

Is the first maintenance free for all cars?

Can I get a driver's license at 16?

Can China 5 Vehicles Be Licensed?