What is the working principle of preventing car sideslip?

Is it necessary to replace halogen bulbs with LED bulbs?

Halogen bulbs can be replaced with LED bulbs, and whether it is necessary to change them can be decided based on the owner's opinion. If you are determined to modify the LED lights, it is essential to go to a 4S shop or a professional auto repair shop and have professionals perform the modification. This is because LED headlights are a systematic project, not just a matter of changing a bulb. If you fail to replace them successfully by yourself, it may cause unnecessary trouble for driving. The basic light-emitting principle of halogen bulbs is the same as that of incandescent bulbs, both of which conduct sufficient current to the tungsten filament to heat it to an incandescent state and emit light. The difference is that the glass shell of halogen bulbs is filled with some halogen element gases, usually iodine or bromine. The presence of these halogen elements can slow down the wear of the tungsten filament at high temperatures, prolong the life of the filament, and also allow the filament to work at higher temperatures, thereby achieving higher brightness, color temperature, and luminous efficiency. Currently, most car headlights are halogen bulbs.

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Why does the score reduction through legal learning decrease?

The reduction of scores through legal learning is a normal phenomenon. The points on a driver's license refer to the points deducted after the owner commits a traffic violation. The owner can obtain a reduction by passing the legal learning test, which subtracts the original points, so the points on the driver's license gradually decrease. According to the reduction rules, after receiving relevant connected safety education, motor vehicle drivers who meet the conditions for point reduction will have the points deducted from their cumulative penalty points on their driver's license. Online learning and passing the test can reduce one point; on-site learning and passing the test can reduce two points at a time; participating in public welfare activities can reduce one point at a time. Tests for score reduction through legal learning include: Content from 12 aspects such as safe driving knowledge, emergency avoidance knowledge, and traffic violation judgments. Each test randomly selects 20 questions, and passing requires correctly answering 18 questions. As long as the driver meets the conditions for point reduction, points will be directly deducted within the scoring cycle, with a maximum cumulative reduction of 6 points. The following individuals cannot participate in score reduction through legal learning: Those who have two or more full-point records within the current scoring cycle or have accumulated 12 points cannot participate; If the driver had two or more full-point records in the previous scoring cycle, they also cannot participate; Drivers who have committed the following behaviors in the last three scoring cycles also cannot participate: Fleeing after causing a traffic accident; Driving under the influence of alcohol; Forging or altering vehicle license plates, registration certificates, driver's licenses, school bus signs, or using other vehicles' license plates or registration certificates; Those penalized for buying or selling points; Those with overdue, detained, or temporarily suspended driver's licenses also cannot participate; Drivers with unprocessed traffic violation records cannot participate; Drivers with vehicles that have exceeded the safety technical inspection period or have not been deregistered as required cannot participate; Drivers who engaged in fraud or impersonation during full-point education and inspection education learning tests cannot participate in score reduction through legal learning.

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When should ECO be turned on?

It should be turned on in most cases. However, there are two situations where it is not recommended: When the vehicle speed is very high (reaching 100KM/h): At high speeds, the vehicle requires better power performance, and the acceleration effect of ECO is not ideal at this time. Therefore, pressing the accelerator deeply is necessary, but the fuel-saving effect is not significant. Even if ECO is turned on, the vehicle's computer will prioritize speed, causing the ECO mode to automatically deactivate. When high torque output is needed (e.g., climbing a slope): When high torque output is required, such as when climbing a slope, the engine computer will prioritize ensuring sufficient power to drive the vehicle, and the ECO mode will not work either. Modern cars generally offer three driving modes to choose from: Eco mode, Comfort mode, and Sport mode. Below is information about these three modes: Eco mode: When the car is in this mode, fuel consumption is relatively low. The throttle pedal sensitivity decreases, and the transmission shifts up more aggressively. Comfort mode: This mode is considered a normal operating mode for the car. In this mode, the throttle pedal response is more sensitive than in Eco mode. Sport mode: Sport mode can be used during aggressive driving. When Sport mode is activated, the throttle pedal response becomes very sensitive, and the transmission delays shifting. The transmission will only shift up when the engine speed reaches the redline. After switching to Sport mode, the engine speed will remain around 3000 RPM, ensuring better power response during acceleration. When the car enters ECON mode, it can achieve reduced fuel consumption and energy savings, but the vehicle's power will weaken. ECON can be understood as an abbreviation for 'economy.' It is recommended to keep ECON mode on in most situations, except when high torque output is needed (e.g., climbing a slope) or when the vehicle speed is very high, in which case ECON mode must be turned off. After pressing the ECON button, the car enters a low-carbon, eco-friendly driving mode. The ECU, engine, and transmission then intelligently execute the driver's intentions in the most fuel-efficient manner, achieving optimal fuel economy through quick upshifts and smooth acceleration. The air conditioning also operates in an energy-saving state. When the driver presses the accelerator pedal deeply, the ECON system effectively controls the opening and closing of the intake valves to ensure smooth engine operation and energy savings.

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What are the differences between the Levin and the Corolla?

The main differences between the Corolla and the Levin lie in their exterior design. Here are the details about the Levin and the Corolla: Introduction to the Levin and the Corolla: The Corolla belongs to FAW Toyota, while the Levin is under GAC Toyota. In terms of exterior design, the Corolla leans more towards a family-oriented style, whereas the Levin has a sportier look. The Levin offers manual transmission models, while the Corolla is exclusively automatic. Detailed differences between the Levin and the Corolla: Exterior-wise, the Corolla is based on the European version with minor adjustments tailored to Chinese driving habits. The Levin, on the other hand, adopts the design of the American Corolla, incorporating sporty elements that make it appear more youthful and stylish. The interior differences are minimal, with both models being quite similar. Both the Corolla and the Levin are built on Toyota's MG platform, resulting in nearly identical dimensions, powertrain configurations, and spatial layouts. The Corolla was launched in China in 2006, while the Levin debuted in 2014, making it a later arrival compared to the Corolla. Both models are powered by the same D-4T direct-injection turbocharged engine paired with an 8-speed S-CVT automatic transmission. From an objective standpoint, the Corolla's craftsmanship is noticeably more refined, and its chassis tuning offers a more comfortable ride. The Levin, with its sportier focus, has a firmer chassis setup, but it delivers commendable handling performance.

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How Many Liters of Antifreeze Should Be Added to a Car?

A car typically requires about 4 liters of antifreeze. Antifreeze prevents the coolant from freezing during cold winter parking, which could otherwise crack the radiator and damage the engine block or cylinder head. How to Choose Antifreeze: The basic indicators of antifreeze are its freezing and boiling points. The market offers antifreeze with freezing points of -15°C, -25°C, -30°C, -40°C, etc. Generally, it is advisable to choose one that is at least 10°C lower than the lowest temperature in your region. Can Different Antifreeze Brands Be Mixed? It is necessary to use the same brand of antifreeze. Different brands may have varying production formulas, and mixing them could lead to chemical reactions between additives, rendering them ineffective. Antifreeze Replacement Cycle: For vehicles that operate for long periods, such as taxis, high-quality antifreeze should generally be replaced once a year. For vehicles with shorter operating times, replacement every two years or every 30,000 kilometers is sufficient. To prevent excessive foam formation, which reduces the heat exchange efficiency between the antifreeze and engine components, ensure the product is within its validity period when adding it. Long-lasting antifreeze can remain effective for up to three years. If suspended particles, sediment, or signs of deterioration or discoloration are observed in the antifreeze, it should be replaced promptly, and the system should be cleaned.

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What engine does the Volvo V90 use?

Volvo V90 is equipped with a 2.0-liter turbocharged engine. This engine delivers 254 horsepower and 350 Nm of maximum torque. The engine can output maximum power at 5,500 rpm and maximum torque between 1,500 to 4,800 rpm. It features direct fuel injection technology and uses an aluminum alloy cylinder head and block. The engine is paired with an 8-speed automatic transmission (8AT). The Volvo V90 is a mid-to-large-sized sedan launched by Volvo Cars. It is an imported vehicle and has not been localized for production, being introduced to the Chinese automotive market through import channels.

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What is the working principle of preventing car sideslip?

Is it necessary to replace halogen bulbs with LED bulbs?

Why does the score reduction through legal learning decrease?

When should ECO be turned on?

What are the differences between the Levin and the Corolla?

How Many Liters of Antifreeze Should Be Added to a Car?

What engine does the Volvo V90 use?

Is it normal for the front wheel hub to be hot to the touch?

Is the 2020 Bora compliant with China 6a or China 6b emission standards?

What gear should be used for automatic transmission cars on highways?

Does the Buick Excelle have an anti-collision beam?