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What Causes Sudden Power Loss in New Energy Vehicles?

2 Answers
DiTessa
07/25/25 1:04am
Sudden power loss in new energy vehicles may be caused by battery depletion. Turn off the engine: After turning off the engine, avoid listening to music or using other electrical devices in the car for extended periods. Disconnect the battery negative terminal: When the vehicle is not in use for a long time, disconnect the battery negative terminal and check whether the battery is securely fixed in the vehicle and whether the casing surface has any damage. Check the battery: Inspect whether the battery cables are securely connected and whether the exhaust vents are dusty. Clean any dust promptly if present. Check charging status: The charging status and quality condition can be checked via the battery's inspection window.
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DeGenesis
08/10/25 3:59pm
I've been driving an electric vehicle for several years and have experienced sudden battery drops, usually due to battery or temperature issues. Battery aging or internal short circuits can easily cause rapid power depletion—my old friend's car suddenly dropped to low battery warning while driving on the highway. Temperature also has a big impact; in cold winters, the battery drains faster, and summer heat may trigger overheating protection. Once, there was an issue with the charging system where a loose plug caused false power readings. I recommend using slow charging more often to protect the battery and avoiding overuse of fast charging. Before trips, check the battery level and carry a portable charger just in case. Regular maintenance is key—monitor battery health and connection cables. For safety, if you encounter sudden power loss, pull over immediately, turn on hazard lights, and call for assistance.
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How long does it take to review the registration of a non-personal motor vehicle?

Registration review for a non-personal motor vehicle generally does not exceed 7 working days. After applying on the Traffic Management 12123 APP, manual review is still required. If you cannot wait this long, you can go to the vehicle management office for an in-person signing. The traffic management department will notify the owner of the review results via SMS or the APP. Matters to follow when registering a non-personal motor vehicle: 1. Only personal motor vehicles can be registered, and the vehicle to be bound must be a small car or a small new energy vehicle; 2. The same motor vehicle can be registered by up to 3 (including 3) non-owners at the same time; 3. The Traffic Management 12123 APP only allows the registration of one non-personal motor vehicle; 4. After successful registration, you can check the traffic violations recorded by the traffic technical monitoring equipment for the non-personal motor vehicle and can handle non-point or post-registration point violations for the registered non-personal motor vehicle, applicable to electronic monitoring violation records under the simplified procedure.
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What is the penalty for not registering a motorcycle color change?

If a motorcycle color change is not registered and is discovered, a fine of 200 yuan will be imposed without any deduction of points. According to Article 56 of the "Regulations on the Registration of Motor Vehicles," if the body color is changed without undergoing the required registration procedures, the public security traffic management department will issue a warning or impose a fine. The vehicle may also be impounded and required to revert to its original color. According to Article 6 of the "Road Traffic Safety Law," the following documents must be submitted when applying for a change in the body color of a motor vehicle: the "Application Form for Motor Vehicle Change Registration"; original and photocopies of the identity documents of the vehicle owner and agent; the original motor vehicle registration certificate; the original motor vehicle license; and payment of any fines before changing the vehicle color. According to Article 6 of Chapter 2 of the "Road Traffic Safety Law," if the color change area of a motor vehicle does not exceed 30%, no registration for the change is required. Conversely, if it exceeds 30%, the change must be registered and documented within 10 days after the color change. Precautions for vehicle color changes: Before changing the color of a motor vehicle, it is necessary to consult with the vehicle management office where the vehicle is registered to determine whether the region permits the use of film to change the vehicle color. If the region does not support this method, the registration process cannot be completed after the color change, and the film must be completely removed to restore the vehicle's original color. Additionally, according to Article 10 of the "Regulations on the Registration of Motor Vehicles," owners are no longer required to apply in advance to the vehicle management office. They can first change the vehicle color, install body kits, replace the engine, etc., and then apply for a change registration with the vehicle management office. According to Article 10, registered motor vehicles must apply for a change registration under the following circumstances: Change of body color. Replacement of the engine. Replacement of the body or frame. Replacement of the entire vehicle due to quality issues. Change from commercial to non-commercial use or vice versa. Change of the vehicle owner's residence outside or within the jurisdiction of the vehicle management office. Furthermore, according to Article 15 of the "Road Traffic Safety Law of the People's Republic of China": Police cars, fire trucks, ambulances, and engineering rescue vehicles must be painted with designated patterns and equipped with alarms and signal lights as required. Other motor vehicles are prohibited from painting, installing, or using patterns, alarms, or signal lights that are specific to or resemble those of the aforementioned vehicles.
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How Many Days Are Toll-Free During National Day?

During National Day, the expressway is toll-free for 8 days. According to the Mid-Autumn Festival and National Day expressway regulations, the toll-free period is from 00:00 on October 1st to 24:00 on October 8th, totaling 8 days. The toll-free period starts at 00:00 on the first day of the National Day and Mid-Autumn Festival holiday and ends at 24:00 on the last day of the holiday. For ordinary roads, the toll-free time is determined by when the vehicle passes through the toll lane of the toll station, while for expressways, it is determined by when the vehicle exits the toll lane. The vehicles eligible for toll-free expressway travel are passenger vehicles with 7 seats or fewer (including 7 seats) that travel on toll roads, including motorcycles allowed on ordinary toll roads.
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What car has three shields?

The car with three shields is Buick. Taking the Buick LaCrosse as an example: the body dimensions are 4587mm in length, 1798mm in width, and 1463mm in height, with a wheelbase of 2640mm. In terms of power, the Buick LaCrosse is equipped with a 2.0T variable-cylinder turbocharged engine across the entire lineup, delivering a maximum power of 237kW and a peak torque of 350Nm, paired with a 9-speed automatic transmission. Buick's three-shield emblem resembles three bullets, arranged at different heights, colored red, white, and blue from left to right. This represents Buick's adoption of top-tier automotive manufacturing technology and also symbolizes that Buick people are warriors who dare to climb to the peak.
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What Are Some Handy Car Repair Tips?

During vehicle repairs, do not reuse disposable parts and ensure they are tightened in the specified sequence and with the specified torque. Here are some related tips: 1. Use genuine parts: Always use professional tools and genuine parts for repairs. 2. Choose a professional repair shop: Modern cars have numerous electronic systems that can also malfunction. Many repair shops rely on guessing the issue based on symptoms and then replace multiple parts to fix the problem—avoid such shops. 3. Partial replacement: Identify the exact location and faulty component, and replace only the defective part to restore the vehicle.
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What Causes the Shaking When the BMW 5 Series Start-Stop Function Activates?

Shaking when the BMW 5 Series start-stop function activates may be due to severe engine carbon buildup. Below are the specific causes and solutions: 1. Specific Causes: A common reason for car shaking is a dirty throttle body or excessive carbon buildup in the fuel injectors. When there is too much carbon buildup inside the engine, the gasoline sprayed by the cold-start injector is largely absorbed by the carbon deposits, resulting in an overly lean air-fuel mixture during cold starts. This makes starting difficult. After the engine starts, gasoline is then sucked into the cylinders by the engine's vacuum, making the mixture too rich. The fluctuating air-fuel mixture causes idle shaking after a cold start. Excessive carbon buildup can affect the smoothness of cold starts. 2. Solutions: Clean the fuel system and check whether the idle air control valve has carbon buildup—it should be cleaned if necessary.
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