What is the qualified light transmittance for car window films?

Does the ETC Reader Need to Be Charged?

There are two types of ETC devices: solar-powered and rechargeable. The solar-powered ETC does not require charging as it uses its own power source. The ETC electronic tag consumes power, but it does not need regular charging because it has a built-in solar panel on the back that charges itself. During installation, avoid the black areas on the windshield. The other type requires charging, and if it is not used frequently, it is recommended to charge it every two to three months. ETC stands for Electronic Toll Collection, which is an electronic toll system. To apply for ETC, you need to provide the original and photocopies of the vehicle owner's valid ID card and vehicle registration certificate. If the application is not made by the owner, the agent must also provide their valid ID card. The photocopy of the vehicle registration certificate must include the page with the most recent annual inspection stamp. Additionally, a bank card for deducting highway tolls is required. Applicants must be between 18 and 60 years old and own the vehicle in their name. For company vehicles, the required documents include: A letter of introduction from the vehicle owner (with company seal); a photocopy of the organization code certificate or business license (with company seal); the agent's original ID card; the original vehicle registration certificate; and the vehicle for which ETC is being applied. Benefits of installing ETC: Saves time: Eliminates the hassle of waiting in line. Green and eco-friendly: Reduces noise and exhaust emissions by allowing vehicles to pass through toll stations without stopping. Reduces wear and tear: Lowers costs by decreasing the frequency of vehicle starts and stops, reducing wear and fuel consumption. Users also enjoy toll discounts. Improves efficiency: ETC lanes can theoretically increase traffic efficiency by 2-3 times, making traditional ETC faster and more advanced. Compared to license plate payment, ETC technology is more mature and advantageous. Here are some installation precautions for ETC: Do not obstruct the driver's view; it is best to install it behind the rearview mirror. Many car models have windshields with a steep angle, which can reduce the driver's field of vision. Installing ETC without considering this can increase blind spots. Install it behind the rearview mirror on the right side to avoid blocking the view. Does not affect charging: The ETC electronic tag consumes power but generally does not require charging or battery replacement because it has a solar panel on the back that charges itself. Therefore, during installation, avoid the black areas on the windshield and positions that might block the solar panel. Do not remove it arbitrarily once installed: The button in the middle of the adhesive is an anti-tamper lever connected to a switch. Once the electronic tag is installed on the windshield, the anti-tamper lever is pressed in. If removed, the lever will pop out and trigger the switch, locking the electronic tag and rendering it unusable. You will then need to visit an ETC service point to unlock it. This feature prevents multiple vehicles from sharing one device.

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Is it okay to stall the car while in drive mode?

Occasionally stalling the car in drive mode has no significant impact, but it should not be done frequently as it can increase wear and tear on the transmission. Reasons for car stalling: Automatic transmission models are less likely to stall easily, whereas manual transmission models may stall more often due to lower driving proficiency. However, it's not impossible for automatic transmission cars to stall, mainly due to the use of low-quality fuel leading to engine carbon buildup and stalling. Precautions for car stalling: It is best to refuel at reputable, larger gas stations with higher-grade gasoline. Although more expensive, the fuel quality is better.

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What is the classification of diesel engine oil?

Diesel engine oil grades are roughly divided into: CA, CB, CC, CD, CE, CF, CF4, CG4, CH4, CI4, CJ4. Here is more information about diesel engine oil grades: 1. Different models of diesel engine oil indicate different oil grades and corresponding applicable vehicle models. In other words, the further back the letters are arranged, the higher the oil quality grade. 2. The English letter C at the beginning represents diesel engine oil. The further back the letters are arranged, the higher the oil quality grade. Generally, CD-grade oil is sufficient for ordinary diesel engines. Turbocharged diesel engines require higher oil quality, such as CF4, where 4 indicates that the oil is suitable for four-stroke diesel engines.

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What Causes Frequent Tire Pressure Alarms?

The reasons for frequent tire pressure alarms are: 1. Tire replacement without resetting the tire pressure module; 2. Nail punctures causing tire pressure changes; 3. Tire inflation without resetting the tire pressure monitoring system; 4. Prolonged vehicle inactivity leading to tire pressure drop without inflation. Below are the functions of tire pressure monitoring: 1. Immediate alarm when rapid or slow air leakage occurs due to tire puncture. 2. Warning when tire loosening causes uneven friction, raising tire temperature to 70°C to prevent blowouts. 3. Alert when prolonged lack of inflation causes tire pressure to fall below the vehicle's set limit, preventing low-pressure-induced temperature rise and blowouts.

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What does the maximum engine power in kW mean?

Engine maximum power refers to the maximum power output that an engine can achieve. Engine output and speed: Engine output is directly related to speed. Initially, the engine's output power increases as the speed rises. However, once the output reaches its maximum value, the power output will decrease as the engine speed continues to increase. Precautions for using the engine: The engine speed at maximum power for cars or buses is higher than that of trucks to meet the needs of high-speed driving. When the engine's maximum power drops by more than 25% compared to the standard, a major overhaul should be performed.

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What to do if the Kia K2 hood switch cable is broken?

If the Kia K2 hood switch cable is broken and cannot open, the problem can be solved by replacing the cable. Methods to open the hood when the cable is broken: 1. When the hood switch cable is broken, never force the hood open. This can not only damage the hood lock but also cause the hood to deform. 2. The most correct approach in this situation is to remove the vehicle's fender or bumper, reach under the hood lock with your hand, and pull the lock to open the hood. 3. It is best to have this process handled at a 4S shop or a professional auto repair shop, and avoid attempting to remove the vehicle's bumper or fender on your own.

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What is the qualified light transmittance for car window films?

Does the ETC Reader Need to Be Charged?

Is it okay to stall the car while in drive mode?

What is the classification of diesel engine oil?

What Causes Frequent Tire Pressure Alarms?

What does the maximum engine power in kW mean?

What to do if the Kia K2 hood switch cable is broken?

What is the ECO mode in a car?

What does the exclamation mark on the vehicle dashboard indicate?

What to Do When the Number of Subject 1 Test Appointments Is Exhausted?

What are the new regulations for vehicle annual inspection?