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How Long Can a Car Sit Without Losing Battery Charge?

1 Answers
SanFelix
07/29/25 9:57pm
Generally, a car battery will lose its charge if left unused for more than three months. Typically, if a car is not driven for half a month, the battery still retains some charge, but the voltage drops, making it harder to start the engine. If the vehicle remains parked for over three months, the battery will almost completely discharge. Note that the rate of discharge depends somewhat on the manufacturing quality of the battery. In general, new batteries hold their charge longer, while older batteries discharge more quickly. Here is more information about car batteries: 1. Types of Car Batteries: The battery is an essential part of a car and can be divided into traditional lead-acid batteries and maintenance-free batteries. 2. Functions of a Car Battery: (1) When starting the engine, it provides a strong starting current (around 10A) to the starter. (2) When the generator is overloaded, it can assist in supplying power to electrical devices. (3) When the engine is idling, it supplies power to electrical devices. (4) The battery also acts as a large-capacity capacitor, protecting the car's electrical appliances.
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Can a car be driven without insurance?

Compulsory traffic insurance must be purchased, while ordinary commercial insurance can be freely chosen whether to buy or not. It is recommended that a car without compulsory traffic insurance should not be driven on the road. If caught by traffic police, the driver will face three penalties: first, the vehicle may be impounded; second, the compulsory traffic insurance must be back-paid; third, a fine of twice the premium of the compulsory traffic insurance will be imposed. The relevant introduction of compulsory traffic insurance is as follows: Introduction 1: The full name of compulsory traffic insurance is "Compulsory Motor Vehicle Traffic Accident Liability Insurance". It is a mandatory liability insurance provided by insurance companies to compensate for personal injuries, deaths, and property losses (excluding the vehicle's occupants and the insured) caused by the insured motor vehicle in a road traffic accident, within the liability limits. Introduction 2: Compulsory traffic insurance is China's first mandatory insurance system implemented by national law.
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What are the reasons for a car compressor not working?

There are several reasons why a car compressor may not work: Reason 1: Severe internal wear of the compressor leads to its inability to function properly. Since the compressor plays a crucial role in the air conditioning system, its main tasks are compressing and transporting refrigerant, which causes the compressor to operate at high speeds for extended periods. This is one of the reasons why the compressor may fail to work properly. Reason 2: The compressor is primarily used to compress and transport refrigerant. If there is an issue, check for any refrigerant leaks. If there is no compression or transportation of refrigerant, the compressor naturally won't work. Reason 3: A fault in the electrical system can effectively prevent the car's air conditioning compressor from working properly. Therefore, the owner can check if the circuit is unobstructed and inspect the temperature sensor and solenoid valve.
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What are the differences between China 5 and China 6 emission standards?

The differences between China 5 and China 6 emission standards are as follows: Different emission standards: China 6 emission standards are more than 30% stricter than China 5. Excluding the influence of working conditions and testing, gasoline vehicles' carbon monoxide emissions are reduced by 50%, total hydrocarbons and non-methane hydrocarbons emissions are reduced by 50%, and nitrogen oxide emissions are reduced by 42%. Different implementation times: The China 5 standard was implemented nationwide on January 1, 2017, as the fifth stage of national motor vehicle emission standards. China 6 was implemented starting from July 1, 2019. Different principles: During the China 5 phase, diesel and gasoline vehicles had different emission standards. However, China 6 adopts a fuel-neutral principle, meaning that regardless of the fuel type, the emission limits are the same. Different issuing departments: The China 5 standard was issued by the Ministry of Environmental Protection. The China 6 standard was issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection, and Quarantine. Different letter representations: China 5 is represented by 'V', while China 6 is represented by 'VI'. Different monitoring requirements for plug-in hybrid electric vehicles: Compared to China 5, China 6 has improved monitoring requirements for plug-in hybrid electric vehicles, including energy storage systems, thermal management systems, brake regeneration, drive motors, generators, and other regulatory aspects. China 5 standard limits are as follows: Gasoline vehicles must not emit more than 1,000 milligrams of carbon monoxide per kilometer driven. Gasoline vehicles must not emit more than 68 milligrams of non-methane hydrocarbons per kilometer driven. Gasoline vehicles must not emit more than 60 milligrams of nitrogen oxides per kilometer driven. Gasoline vehicles must not emit more than 4.5 milligrams of PM (particulate matter) per kilometer driven. China 6 has two standards: China 6a and China 6b, as follows: China 6a standard limits: Gasoline vehicles must not emit more than 700 milligrams of carbon monoxide per kilometer driven. Gasoline vehicles must not emit more than 68 milligrams of non-methane hydrocarbons per kilometer driven. Gasoline vehicles must not emit more than 60 milligrams of nitrogen oxides per kilometer driven. Gasoline vehicles must not emit more than 4.5 milligrams of PM per kilometer driven. China 6b standard limits: Gasoline vehicles must not emit more than 500 milligrams of carbon monoxide per kilometer driven. Gasoline vehicles must not emit more than 35 milligrams of non-methane hydrocarbons per kilometer driven. Gasoline vehicles must not emit more than 35 milligrams of nitrogen oxides per kilometer driven. Gasoline vehicles must not emit more than 3 milligrams of PM per kilometer driven. Affected by the China 6 emission policy, although China 5 vehicles are not currently restricted in normal use, such as driving bans or license plate restrictions, their resale value will be significantly impacted. For truck owners, if they purchase a truck on loan for cargo transport, the vehicle's depreciation after repaying the loan is equivalent to the net profit earned during that period. A higher residual value means more profit for the owner. Therefore, from this perspective, China 6 vehicles, with longer service life and more road rights, have more advantages.
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Where does the license plate number 'Xin N' belong to?

Xin N is the license plate code for the Aksu Prefecture in Xinjiang. Here is an introduction to Aksu Prefecture: 1. Overview: Aksu Prefecture is a region within the Xinjiang Uygur Autonomous Region. It administers 2 county-level cities and 7 counties, covering a total area of 131,300 square kilometers with a population of 2.3897 million. 2. Geographical Location: Aksu Prefecture is located in the northwest of China, in the central part of the Xinjiang Uygur Autonomous Region, on the southern foothills of the middle section of the Tianshan Mountains, and to the north of the Tarim Basin. It borders the Bayingolin Mongol Autonomous Prefecture to the east, the Kizilsu Kirghiz Autonomous Prefecture to the west, the Kashgar Prefecture to the southwest, the Hotan Prefecture to the south, the Ili Kazakh Autonomous Prefecture to the north, and shares a border with Kyrgyzstan and Kazakhstan along the central ridge of the Tianshan Mountains to the northwest.
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How to Use Car Wipers?

Here is how to use car wipers: 1. Light rain: When encountering light rain, first spray windshield washer fluid before turning on the wipers. Otherwise, it may damage the car's windshield and affect the lifespan of the wipers. 2. Heavy rain: Adjust the wiper frequency promptly to avoid unclear visibility while driving. 3. Dry conditions: Do not activate the wiper switch when the windshield is dry. If you need to test the wiper's operation, wet the glass with water first. Otherwise, it may damage the glass, and due to increased friction resistance, it could harm the wiper blades or the wiper motor.
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What Causes High Transmission Temperature?

Generally, the active safety features already included in a car's safety system ensure the vehicle's reliability and safety during both normal road and off-road driving. When the transmission oil temperature reaches 115 degrees, the DTC (Diagnostic Trouble Code) will be set and store information to assist technicians in analysis. The reasons for high transmission temperature are as follows: 1. Clogged radiator grille; 2. Transmission clutch slipping, generating additional heat; 3. Insufficient flow in the transmission cooling oil circuit; 4. Thermostat sticking. The solutions for high transmission temperature are as follows: 1. Clean the radiator; 2. Repair the torque converter; 3. Repair the valve body or replace the oil pump; 4. Replace the thermostat.
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