Is There a Fee for Subject 4?

Where is the license plate with 'Ba K' from?

Currently, there is no vehicle license plate with 'Ba K' in China. There are two possible reasons for the appearance of a 'Ba K' license plate: 1. It may be a license plate used during film or TV show production, which is allowed only after being registered with the public security and traffic management departments. 2. It could be a fake license plate. If you encounter such a plate, you can directly report it to the police. The use of fake license plates is subject to the following penalties: According to Article 96 of the Road Traffic Safety Law of the People's Republic of China, if a motor vehicle uses a forged or altered license plate on the road, the vehicle will be impounded, and the driver will be fined between 2,000 and 5,000 yuan and detained for up to 15 days. When driving on the road, motor vehicles are required to carry the vehicle registration certificate, driver's license, display the license plate, and have the annual inspection and compulsory insurance labels affixed.

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How to Deal with Frost on the Windshield?

Here are the methods to handle frost on the windshield: 1. Open the window: Frost forms due to the temperature difference between the cold outside and warm inside. In most cases, especially when the car is full of passengers, the temperature inside is higher, causing frost to form quickly. Opening the window for ventilation allows air to circulate between the inside and outside, reducing frost on the windshield. 2. Turn on the heater: When the vehicle's coolant temperature rises sufficiently, you can turn on the heater and direct the warm air toward the windshield while activating the external air circulation. This helps minimize the temperature difference between the inside and outside of the windshield, effectively removing frost. 3. Wipe with a towel: In winter, after the car has been parked outside overnight, the windshield is often covered with frost. The most effective solution in this case is to wipe and clear the frost with a clean towel. 4. Apply professional anti-fog spray: Professional anti-fog sprays can be directly applied to the windshield, forming a transparent protective film that effectively prevents moisture from condensing on the glass. Typically, one application of such a spray can last for about a week.

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What Causes Occasional Idle Shaking?

Severe engine carbon buildup, ignition system issues, unstable oil pressure, aging engine components, etc. Below are three main causes of idle shaking: 1. Severe engine carbon buildup - This leads to poor engine performance, increased fuel consumption, and even starting difficulties, potentially causing significant long-term damage to the vehicle. 2. Ignition system problems - These cause unstable engine operation, resulting in deteriorated acceleration performance, reduced power output, and poorer fuel economy. 3. Unstable oil pressure - Multiple factors can cause this, including insufficient engine oil, dirty oil, thinned oil, oil pipe leaks, oil pump failure, or excessive wear of pump components.

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How to Solve Excessive Engine Noise?

Engine noise is a common issue that can arise from various sources. Below are the causes and solutions for excessive engine noise: 1. The vehicle engine itself is a primary source of noise, with noise levels varying according to engine speed. Solution: Installing high-quality sound-absorbing foam materials under the engine hood can effectively reduce vibrations caused by the hood and absorb a significant amount of noise, yielding noticeable results. 2. Leaks in the intake or exhaust systems can cause noise. When starting the engine, escaping gases from these leaks create vibrations and noise. Solution: Inspect the intake and exhaust systems and replace any faulty components, such as the exhaust pipe, to eliminate the noise. 3. Tire noise occurs during high-speed driving due to friction between the tires and the road surface. The severity depends on road and vehicle conditions—worse roads produce louder noise, and asphalt versus concrete surfaces also make a difference. Solution: Tire noise is structural noise caused mainly by vibrations. The most effective solution is vibration damping. Adding damping plates along with sound-absorbing mats can significantly reduce road and tire noise. 4. Wind noise happens when the pressure of oncoming wind exceeds the sealing resistance of car doors at high speeds, increasing with velocity. Solution: Install or replace door seals, as rubber seals degrade over time, reducing their noise insulation and sealing effectiveness.

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What are the gear shifting requirements and passing standards for Subject 3 driving test?

Here are the introduction regarding gear shifting requirements and penalty items for Subject 3 test: Gear shifting requirements: Accurate and smooth gear shifting, with appropriate speed matching corresponding gear. Penalty items: (1) Wrong gear selection during startup or driving without timely correction, deduct 10 points; (2) Prolonged mismatch between gear and speed causing excessively high or low engine RPM, deduct 100 points; (3) Looking down at gearshift or failing to engage gear twice consecutively while driving, deduct 100 points; (4) Gear grinding during shifting, deduct 10 points; (5) Failure to smoothly shift up or down as instructed, deduct 100 points;

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What is the normal tire pressure for the Baojun 560?

The normal tire pressure range for the Baojun 560 is 2.4-2.5 bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2 bar in winter and reduced by 0.1 bar in summer. The Baojun 560's tire pressure monitoring data is displayed on the dashboard's LCD screen. The driver can switch to the tire pressure monitoring system display page by rotating the knob on the dashboard left or right, which will show the air pressure of each tire. The Baojun 560 is equipped with a tire pressure monitoring system that automatically monitors the tire pressure in real-time while driving and alerts the driver to tire leaks or low pressure to ensure driving safety. If the tire pressure monitoring indicator light comes on (a yellow symbol with an irregular circle, no stamp on top, four small spikes at the bottom, and an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure. The system usually alerts when the pressure is below 1.8 bar or above 3.0 bar. In this case, the tires need to be checked and the pressure adjusted. Tire pressure monitoring not reset. After inflating the tires, if the tire pressure is not reset in time, the system will still record the previous data, causing the tire pressure monitoring indicator to light up. Simply performing a tire pressure reset will resolve this issue. Damaged tire pressure sensor. The tire pressure sensor, which monitors tire pressure, is installed inside the tire and connected to the tire inflation valve. If the sensor is damaged while driving, the tire pressure warning light will come on. For sensor damage, the only solution is to replace it with a new part.

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Is There a Fee for Subject 4?

Where is the license plate with 'Ba K' from?

How to Deal with Frost on the Windshield?

What Causes Occasional Idle Shaking?

How to Solve Excessive Engine Noise?

What are the gear shifting requirements and passing standards for Subject 3 driving test?

What is the normal tire pressure for the Baojun 560?

What does the M gear mean in an automatic transmission car?

How to Replace the Cabin Air Filter in a Volvo S60L?

How many kilometers should the gasoline filter be replaced?

What type of battery does the Hongqi E-H3 use?