What is an On-board DC-DC Converter?

What is the reason why the BMW seat belt cannot be pulled out?

BMW seat belt cannot be pulled out due to damage or jamming inside the seat belt buckle. The function of the car seat belt: When the vehicle collides or uses emergency braking, the pre-tensioning device will instantly tighten the loose seat belt, firmly securing the occupant to the seat to prevent secondary collisions. Once the tightening force of the seat belt exceeds a certain limit, the force-limiting device will appropriately loosen the seat belt to maintain stable chest force. Therefore, the car seat belt plays a role in restraining displacement and cushioning, absorbing impact energy, dissipating inertial force, and avoiding or reducing the degree of injury to the driver and passengers. The working principle of the seat belt: The spiral spring rotates the reel to keep the seat belt tight, and the crumple zone is the relatively easy-to-collapse area at the front and rear of the car. When the car hits an obstacle, it does not stop suddenly, but absorbs part of the impact force through crumpling (like an empty soda can).

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How to Calculate the Depreciation Rate of Used Cars?

First year: 85% of the new car's ex-factory price, second year: 70%, third year: 60%, fourth year: 50%. Below is relevant information about used cars: 1. Introduction to used car residual value rate: When buying or selling used cars, it's crucial to understand a very important indicator—the residual value rate of used cars. The so-called residual value rate of used cars, in layman's terms, refers to the vehicle's value retention. After several years of use, how much a car is still worth in the market; the higher the residual value rate, the more valuable the used car is. To understand a car's residual value rate, several indicators must be clarified, such as whether the car's market presence is substantial enough, whether its color is mainstream, the brand of the vehicle, and the convenience of later maintenance, etc. 2. Precautions for selling used cars: The vehicle must be sold before the insurance expires; otherwise, an additional insurance cost will be incurred during the used car transaction. Additionally, pay attention to the replacement cycle of spare parts.

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How to Change the Name on the Driver's License After a Name Change?

After obtaining the updated household registration booklet with your new name, request a name change certificate from the local police station. Then, bring the updated ID card, the certificate, and your driver's license to the vehicle management office at the issuing location to proceed with the name change. Below is some relevant information about driver's licenses: 1. Driving Requirements: According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses," a C1 driver's license permits driving small and micro passenger vehicles, light and micro cargo vehicles, as well as light, small, and micro special-purpose vehicles. Small passenger vehicles must have a seating capacity of 9 or fewer people. Based on these standards, a C1 license does not permit driving vehicles with more than 9 seats. 2. Requirements for Examination Vehicles: The vehicle must be a light general cargo vehicle with a length of no less than 5 meters, or a small general passenger vehicle with a length of no less than 4 meters, or a car with a length of no less than 4 meters.

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Is It Necessary to Clean Combustion Chamber Carbon Deposits?

Cleaning combustion chamber carbon deposits is highly necessary. Severe carbon buildup can alter the engine's original structural parameters, reduce engine power, increase fuel consumption, and in serious cases, cause engine knocking, abnormal noises during acceleration, and damage to pistons and crankshafts. Cleaning carbon deposits can effectively avoid these issues. Below are relevant details about carbon deposits: Cleaning cycle for in-cylinder carbon deposits: Generally, 4S shops recommend that owners perform maintenance every 10,000 kilometers. Owners can adjust this based on their driving conditions. If driving primarily on highways, the interval can be extended to 30,000-40,000 kilometers, while other owners can clean it at 20,000-30,000 kilometers. Effects of excessive carbon deposits: Excessive carbon buildup can alter the engine's original structural parameters, reduce engine power, and increase fuel consumption. In severe cases, it can cause engine knocking, abnormal acceleration noises, and damage to pistons and crankshafts. Carbon deposits accumulate layer by layer, becoming thicker and leading to a vicious cycle. In extreme cases, they can even block half of the intake valve, ultimately resulting in engine oil burning and the need for major repairs.

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Will the car battery die if the car is not driven for a week?

If it is an electric vehicle and the battery has not been replaced for a long time, not driving it for a week may cause the battery to die, making it impossible to start the engine. Issues to pay attention to when the car is not driven for a week: Tire pressure: First, pay attention to the tire pressure of the car. If the pressure is too low, it should be replenished. If the pressure is too low, during high-speed driving, the deflated tire will show wave-like deformation, and the friction between rubber molecules will generate heat, leading to a tire blowout, which poses a risk of the car overturning. Check the engine lubrication system: A decrease in lubricating oil will lead to poor engine lubrication, thereby damaging engine components such as gears. Parking location: The parking location of the vehicle is very important. If conditions do not permit, try to find a cool and ventilated place to park, preferably not under trees or buildings. In case of windy or rainy weather, branches, leaves, or falling objects from above may land on the car body and cause damage.

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What is the TX?

TX is the base trim level in the new Toyota Prado. Below is more information about Toyota vehicles: 1. Vehicle lineup: FAW Toyota's product range includes the 'Vios' (VIOS), 'Corolla' (COROLLA), 'Allion' (ALLION), 'Avalon' (AVALON) sedans, and the 'IZOA' (IZOA), 'RAV4' (RAV4), 'Crown Kluger' (CROWNKLUGER) SUVs, as well as the 'Coaster' (COASTER) passenger van. 2. Vios: The all-new VIOS Vios represents FAW Toyota's economy sedan, featuring a simple, sleek, and highly fashionable design. Optimizations in length, height, and wheelbase have expanded the vehicle dimensions, giving it a more premium appearance than its peers and effectively enhancing interior comfort. 3. Corolla: The all-new 12th-generation Corolla is built on Toyota's TNGA platform, undergoing a comprehensive quality upgrade both inside and out. Its dynamic exterior paired with alloy wheels highlights its stylish appeal. The interior adopts a minimalist yet premium approach, with extensive use of soft-touch materials. Different trims come with either a 12.1-inch or 9-inch central touchscreen, and the multifunction steering wheel supports four-way adjustment. Both front seats offer 10-way adjustability, along with excellent bolstering and support, achieving a perfect upgrade in comfort.

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What is an On-board DC-DC Converter?

What is the reason why the BMW seat belt cannot be pulled out?

How to Calculate the Depreciation Rate of Used Cars?

How to Change the Name on the Driver's License After a Name Change?

Is It Necessary to Clean Combustion Chamber Carbon Deposits?

Will the car battery die if the car is not driven for a week?

What is the TX?

What Causes the Automatic Transmission Gear Indicator Lights Not to Illuminate?

Is an Annual Review Required for a Motorcycle Driver's License?

What is the Putty-Free Auto Body Repair and Painting Technology?

How many more years can a 12-year-old car be driven?