What is the shelf life of car engine oil?

Will 9 points deducted from the driver's license be automatically restored?

If the points deducted within the current scoring period do not exceed 12, they will be automatically restored in the next scoring period. Introduction to the scoring period: If a motor vehicle driver's accumulated points in a scoring period do not reach 12, and the imposed fines have been paid, the points will be cleared. If the points do not reach 12 but there are unpaid fines, the points will be carried over to the next scoring period. Introduction for probationary drivers: For probationary drivers, there are additional regulations in China. If a probationary driver accumulates 12 or more points during the probationary period, their driving qualification for the probationary vehicle type will be revoked. If the revoked qualification is not for the highest permitted vehicle type, the driving qualification for the highest permitted vehicle type will also be revoked.

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What to Pay Attention to When Replacing a Car Battery?

When replacing a car battery, pay attention to the following points: Do Not Disconnect the Battery When the Ignition Switch is On Whether the car engine is running or not, as long as the ignition switch is in the "on" position, do not remove the battery connection cable (or fuse). A sudden power interruption can cause the coils in the circuit to generate very high transient voltages, sometimes as high as nearly 10,000 volts, severely damaging microelectronic components such as the ECU and related sensors. When jump-starting another vehicle or using another vehicle to jump-start your own, also ensure the ignition switch is turned off before connecting or disconnecting the jumper cables, for the same reason. Hazards of Disconnecting the Battery Power For some car models, disconnecting the battery cable may result in the loss of memory (including anti-theft codes) for accessories such as power windows, radios, and quartz clocks (e.g., Toyota and Lexus series), rendering these devices unusable. Some models may also activate the anti-theft system or lock the system, preventing the vehicle from starting normally. Therefore, for models you are not familiar with, never disconnect the power cable arbitrarily. It is recommended to use a wire to connect the positive and negative terminals to ensure power supply before performing any on-site operations.

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Can I apply for ETC for a new car without canceling the old car's ETC?

You can apply for ETC for a new car without canceling the old car's ETC. The ETC device is primarily bound to the vehicle, and if one person owns multiple cars, they can apply for multiple ETCs. ETC activation method: Insert and remove the ETC card twice consecutively until the electronic tag screen displays 'Bluetooth is on.' If it shows 'Tag invalid' when inserting and removing twice without attaching the electronic tag, this is normal and does not affect activation. Alternatively, you can directly press the button on top of the electronic tag to enable Bluetooth. Turn on your phone's Bluetooth, open the corresponding mobile app (usually, there is a download QR code on the electronic tag), and enter the device activation interface. Click 'Device Connection' and wait patiently for the 'Connection successful' prompt. Once connected, upload a photo of the vehicle's front to complete the activation.

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Was Turbo Technology Invented by Japan?

Turbocharging technology was not invented by Japan; it was developed by some European engineers. This technology was initially applied to aircraft engines. Due to thin air at high altitudes, aircraft engines often suffer from insufficient air intake, so engineers introduced turbocharging technology to address this issue. Principle of Turbocharging: The principle of turbocharging is quite simple. A turbocharger consists of two parts: a compressor turbine and an exhaust turbine. The exhaust turbine is connected to the exhaust manifold. When the engine reaches a certain speed, the exhaust gases have enough energy to spin the exhaust turbine, which in turn rotates the compressor turbine. As the compressor turbine spins, it compresses air and forces it into the cylinders, thereby increasing the amount of air entering the engine. Function of Turbo Technology: Turbocharged engines can increase the amount of air entering the engine without increasing displacement, thereby enhancing engine power. Most cars today utilize turbocharging technology, and small-displacement turbocharged engines are commonly found in many vehicles. The power delivery characteristics of turbocharged engines make them particularly suitable for stop-and-go urban driving conditions.

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What are the symptoms of a slightly blown head gasket?

Cars may experience difficulty starting. Leakage occurs in the engine cylinder head, and when the head gasket is damaged, it will lead to poor sealing between the cylinder head and the cylinder block, ultimately resulting in leakage. Due to the leakage of oil and water, the leaking area may also exhibit splashes of oil and water, accompanied by the sound of gas mixed with liquid splashing. The following are details about car head gaskets: Note 1: Gas enters the oil or coolant passages. When high-pressure gas enters the oil or coolant passages, it will affect the engine's cooling and lubrication, leading to increased engine temperature and accelerated wear of engine components. Additionally, a large number of bubbles can be seen rising in the expansion tank. Note 2: The radiator may backflow with bubbles, the water temperature may rise, and the exhaust may emit white smoke. The engine oil may emulsify and turn white, or some may enter the cylinders, resulting in blue smoke from the exhaust. A damaged engine head gasket is a very serious issue. Once detected, the vehicle should be stopped and the engine turned off immediately, followed by calling for assistance.

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Where to Clean When There's an Odor in the Car Air Conditioning?

When there's an odor in the car air conditioning, the following parts should be cleaned: 1. Clean the air conditioning filter: Generally, the car air conditioning filter is located under the glove box on the passenger side, or possibly under the windshield. The exact location can be found online or by consulting a car shop. During the removal process, pay attention to the position of the component clips and avoid using excessive force to prevent damage. Then, the filter can be easily removed. Note the arrow mark on the filter to ensure it is not installed backward during reassembly. 2. Clean the blower motor: Remove the panel under the passenger seat after disconnecting the power. The blower motor has three fixing nut holes; remove and clean it. During cleaning, use carburetor cleaner to spray the dirty areas inside the blower motor and wait for it to evaporate. 3. Clean the air conditioning condenser: The condenser is usually located at the front of the car. Use a condenser cleaner for cleaning, and rinse with a water gun after the foam disappears. 4. Clean the air conditioning ducts: This area is difficult to clean directly. Pour air conditioning cleaner into the system, then start the car air conditioning at maximum fan speed to allow the cleaner to reach the inner walls of the ducts. This process should last for half an hour, during which the dirt inside the ducts will flow out through the drain pipe. If the cleaning effect is unsatisfactory, repeat the process multiple times.

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What is the shelf life of car engine oil?

Will 9 points deducted from the driver's license be automatically restored?

What to Pay Attention to When Replacing a Car Battery?

Can I apply for ETC for a new car without canceling the old car's ETC?

Was Turbo Technology Invented by Japan?

What are the symptoms of a slightly blown head gasket?

Where to Clean When There's an Odor in the Car Air Conditioning?

What is the qshan car?

What is Tire Pressure Conversion?

How Long Can a Fengfan Battery Last?

Does the new Qashqai have anti-collision beams?