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What is the reason for the set light to turn on?

1 Answers
LaAlessandra
07/29/25 9:39pm
set light turns on due to abnormal tire pressure, requiring the owner to store the tire pressure. The set light is a tire pressure monitoring indicator light. Once it lights up, it indicates that at least one of the vehicle's four tires is below the standard pressure value, indicating a state of underinflation. Tire pressure refers to the air pressure inside the tire. The hazards of abnormal tire pressure include: 1. Increased friction coefficient with the road surface, leading to higher fuel consumption; 2. Causing unsafe factors such as heavy steering and easy deviation; 3. Increasing the movement of various parts of the tire, resulting in abnormal heating due to excessive rolling; 4. Multiplying the friction between the tire and the ground, leading to tire blowouts.
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How to Use the Car's Internal Circulation?

Generally, when turning on the air conditioning for cooling or heating, you can first activate the internal circulation. Below is a partial introduction to internal and external circulation: 1. Principle of External Circulation: After the car's external circulation is turned on, the car's fan delivers outside air into the car, allowing air from outside and inside the car to circulate. Even if the car's fan is not turned on, gas will still enter the car while driving, providing external air to the interior. Even when the car's air conditioning is turned off while driving, air flow is still drawn into the car because the car is set to external circulation. If the car is driven in the city, turning on the external circulation will fill the car with exhaust fumes. 2. Principle of Internal Circulation: After the car's internal circulation is turned on, it indicates that the airflow channel between the inside and outside of the car is closed. If the car's fan is not working, there will be no airflow circulating inside the car. When the fan is working, the air it draws comes from inside the car, so the airflow inside the car keeps circulating. After turning on the internal circulation, it can effectively prevent external dust and harmful gases from entering the car, reducing the harm of external gases to the human body. For example, when driving through areas with smoke, dust, odors, or in heavy traffic, it can block some harmful gases. In general, if the external environmental quality is poor, it is necessary to press the internal circulation button inside the car.
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Which tire with how many grooves is the quietest?

Tire noise performance is not significantly related to the structure of longitudinal grooves, such as three-groove or four-groove designs. Functions of automotive tires: Support the entire weight of the vehicle, bear the load of the car, transmit forces and moments in other directions, deliver traction and braking torque, ensure good adhesion between the wheels and the road surface to improve the vehicle's power performance, braking performance, and passability; work together with the vehicle suspension to mitigate impacts during driving and dampen resulting vibrations. Precautions for automotive tires: Tire wear: Worn tire treads can cause loss of traction, affect handling, increase the risk of blowouts, and reduce the tire's ability to expel dirt and water. Tire pressure: Car owners should have a tire pressure gauge on hand to regularly check tire pressure.
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What are the penalties for using the emergency lane?

Occupying the emergency lane will result in a fine and a deduction of 6 points. Penalties for using the emergency lane: If a motor vehicle driver occupies the emergency lane on a highway or urban expressway during traffic congestion, they will be penalized with 6 points. According to the "Road Traffic Safety Law of the People's Republic of China," drivers who violate traffic safety laws and regulations regarding road usage will be subject to a warning or a fine. Purpose of the emergency lane: The emergency lane on highways is primarily designated for vehicles handling emergencies, such as engineering rescue, firefighting, medical aid, or police officers performing urgent official duties. Any private vehicles are prohibited from entering or stopping in the lane for any reason.
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What does 'No offline data for the starting city' mean?

No offline data for the starting city means the navigation data needs to be updated, as there is no data for your current location. Methods to update starting point data: If the vehicle's infotainment system has internet connectivity, you can directly update the system through the in-car navigation interface to upgrade the vehicle's navigation system. Alternatively, you can remove the navigation SD card, download the update data from the official navigation system website, and perform the update. Functions of starting point data: It not only allows you to view offline maps but also enables offline location searches, route queries, and navigation without consuming any mobile data. Simply download the map in advance. It's an essential tool for travel. Mobile navigation apps can also download offline data packages.
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Is it acceptable for a novice to drive at 80 km/h in the rightmost lane on the highway?

Novice drivers on highways must maintain a minimum speed of no less than 80 km/h. Highway speed limits: Highways should indicate the speed limits for each lane, with the maximum speed not exceeding 120 km/h and the minimum speed not less than 60 km/h. On highways, the speed of small passenger vehicles should not exceed 120 km/h, other motor vehicles should not exceed 100 km/h, and motorcycles should not exceed 80 km/h. Precautions for novice drivers on highways: Due to their lack of driving experience, novice drivers often think that in any situation, simply stepping on the brakes to stop the car is sufficient. However, encountering emergencies on the highway can easily lead to accidents due to improper handling. For example, in the event of a tire blowout on the highway, many novice drivers tend to sharply turn the steering wheel and apply sudden brakes, unaware that this can easily cause the vehicle to lose control and overturn.
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How to License a Used Car?

To license a used car, visit the vehicle management office or the vehicle management office stationed at the used car trading market to complete the licensing process. Used car transfer process: Sign the used vehicle sales contract. Check for any traffic violations; if there are violations or the vehicle inspection is overdue, the transfer cannot proceed. Go to the used car trading market or any place that can issue an invoice to obtain a transfer invoice. Used car licensing process: Visit the vehicle management office or the vehicle management office stationed at the used car trading market to complete the licensing process. Staff will inspect the vehicle, take rubbings of the vehicle identification number, remove the license plate, and take photos. A fee for the rubbing will be charged. Collect the vehicle photos and attach them to the inspection record form. Check for traffic violations. Once approved, take the relevant documents, the Motor Vehicle Registration, Transfer, Cancellation/Transfer Application Form, and the transfer invoice to the relevant window to complete the process. Submit the original vehicle documents and license plates, select a new number, receive a new vehicle license, tax registration certificate, and new license plates. Purchase the appropriate insurance according to the relevant regulations.
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