What is the difference between the internal circulation and external circulation in a car?

What to Do When the Car Key is Left Inside and the Door is Locked?

1. Solutions for when the car key is locked inside the car: 1. Look for a spare key. 2. Use the remote control to unlock. 3. Contact a locksmith to unlock. 2. Additional information: 1. Types of car keys: mechanical key; remote key; touchscreen LCD key; smart wristband key. 2. How car keys work: The key emits a radio wave, which is received by the car's antenna. The electronic control unit (ECU) identifies the signal code, and the system's actuator performs the locking or unlocking action. 3. Functions of car keys: Use the remote alarm to quickly locate the vehicle; close windows after turning off the engine; automatically open the trunk; selectively open the driver's door.

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What are the new regulations for annual inspection of passenger vehicles?

For cargo vehicles, a 'three additions and six reductions' initiative has been implemented, removing six original items from the annual inspection and adding three new ones. The specific annual inspection cycle and exemption scope are as follows: 1. Exemption scope: The exemption range for motor vehicles has been expanded from the original within 6 years and less than or equal to 6 seats to non-operational small and micro passenger vehicles with 7-9 seats. This means that after November 20, non-operational small and micro passenger vehicles with 7-9 seats that are less than 6 years old will be eligible for the exemption policy. 2. Annual inspection cycle: Vehicles exempt from inspection can avoid on-site testing for the first 6 years, only requiring procedural formalities every two years, while inspections are conducted annually from 6-10 years. The new regulations indicate that the annual inspection cycle for private vehicles remains unchanged for the first 6 years, and for vehicles aged 6-10 years, the inspection frequency changes from annual to biennial. In other words, exempt vehicles will undergo biennial inspections within 10 years, with only the 6th and 8th years requiring on-site testing.

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What Does Maximum Torque Mean for a Motorcycle?

Maximum torque refers to the maximum power output that an engine can produce. Below are specific details about torque: 1. Introduction: The torque of an engine refers to the rotational force output from the crankshaft. Under a fixed power condition, it has an inverse relationship with engine speed—the higher the speed, the lower the torque, and vice versa. This reflects the vehicle's load capacity within a certain range. 2. Representation: Torque is expressed in N·m/r/min. The maximum torque generally occurs within the engine's mid-to-low speed range. For most motorcycles, the maximum torque is achieved at mid-range speeds (around 5,000 to 6,000 RPM).

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Are new energy vehicles resistant to high temperatures in summer?

Summer brings high temperatures, but there is no problem for the battery safety of vehicles, so new energy vehicles are relatively resistant to high temperatures. Precautions are as follows: 1. Avoid charging: In the current high-temperature weather, electric vehicles should try not to charge for a long time under direct outdoor sunlight. First, it is better for the maintenance of electric vehicles, and second, it avoids the risk of battery damage or even spontaneous combustion. The battery is sensitive to temperature during use, and the current working temperature range of lithium batteries is -20°C to 60°C. 2. Risk of explosion: When the ambient temperature exceeds 60°, as the battery heats up during operation, lithium batteries have the risk of overheating, burning, and explosion. However, the probability of spontaneous combustion of electric vehicles is extremely small. If accidents occur, they are mainly caused by aging circuits or short circuits caused by water.

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Is Mazda a Joint Venture or Domestic Brand?

Mazda vehicles are joint venture models. Its lineup includes: Mazda6, Mazda3, Atenza, Mazda CX-5, Mazda CX-8, etc. Taking the Mazda3 as an example, its body dimensions are: length 4662mm, width 1797mm, height 1445mm, with a wheelbase of 2726mm and a fuel tank capacity of 50 liters. The Mazda3 is equipped with a 1.5L naturally aspirated engine, delivering a maximum power of 86kW at 6100rpm and maximum torque at 3500rpm, paired with a 6-speed manual transmission.

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What are the types of oil seals?

Oil seal is the customary term for general sealing components, simply put, it refers to the sealing of lubricating oil. It is a mechanical element used to seal grease (oil is the most common liquid substance in transmission systems, and also generally refers to liquid substances). It isolates the components requiring lubrication in transmission parts from the output components to prevent lubricating oil leakage. The sealing components used for static sealing and dynamic sealing (generally reciprocating motion) are called oil seals. Extended information: Oil seals are required wherever there is liquid lubricating oil inside a rotating body case that connects with the external environment. Some are made of rubber, some of metal, but most are steel-reinforced rubber, such as the rear crankshaft oil seal, front and rear transmission oil seals, left and right axle shaft oil seals, front main reducer oil seal, and rear air compressor oil seal.

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What is the difference between the internal circulation and external circulation in a car?

What to Do When the Car Key is Left Inside and the Door is Locked?

What are the new regulations for annual inspection of passenger vehicles?

What Does Maximum Torque Mean for a Motorcycle?

Are new energy vehicles resistant to high temperatures in summer?

Is Mazda a Joint Venture or Domestic Brand?

What are the types of oil seals?

How to Use Urea Solution in Vehicles?

What are the essential tools to have in a car for annual inspection?

What brand does Yin Gang motorcycle belong to?

How to Check National IV and National V Standards for Trucks?