What is the reason when the electric car's lights are on but it doesn't move?

How Often Should Car Refrigerant Be Replenished?

Refrigerant, also known as coolant or freon, typically needs to be replenished every 5-8 years when the car's air conditioning system is functioning normally. Refrigerant, also referred to as coolant or freon, is the medium substance used in various heat engines to facilitate energy conversion. These substances usually undergo reversible phase changes (such as gas-liquid phase transitions) to increase power output. Examples include steam in steam engines and refrigerant in refrigeration systems. In refrigeration systems, refrigerant controls the thermodynamic cycle. It absorbs heat from the cooled object at low temperatures and then transfers it to cooling water or air at higher temperatures. In vapor-compression refrigeration systems, refrigerants are working fluids that can liquefy at normal or lower temperatures, such as Freon (fluorine, chlorine, and bromine derivatives of saturated hydrocarbons), azeotropic mixtures (azeotropic solutions formed by mixing two types of Freon in a certain ratio), hydrocarbons (propane, ethylene, etc.), and ammonia. The main technical indicators of refrigerants include saturated vapor pressure, specific heat, viscosity, thermal conductivity, and surface tension. Since the 1960s, extensive research has been conducted on the application of non-azeotropic mixtures, which have been used in natural gas liquefaction and separation, among other areas.

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How to Deal with Frost on Car Windows?

Here are the solutions for frost on car windows: 1. Ventilate before locking the car. Frost forms on the windows due to moisture inside the car. After parking, open the windows for about five minutes to effectively reduce frost. 2. Use a hot towel to wipe off the frost. If you're in a hurry to drive, you can use a hot towel to remove the frost. 3. Warm up the car in advance. Before heading out, start the car early to keep the interior warm. 4. Use an anti-fog spray for cars, which can effectively prevent and remove frost. 5. Cover the car with a car cover after parking at night.

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How to Remove Odors from the Car?

There are several methods to remove odors from the car: 1. Frequently open the windows for ventilation. After getting in the car, open the windows and turn on the fan to circulate air. Drive for at least 10 minutes before closing the windows and turning on the air conditioning. 2. Bamboo charcoal bags can be somewhat effective, but they should be replaced promptly. Typically, a bamboo charcoal bag should not be used for more than 15 days, otherwise it may become a new source of pollution. 3. Placing fruits like bananas or pineapples in the car can also help purify the air, but they should be placed away from direct sunlight. Additionally, keep an eye on them to prevent leakage or spoilage. 4. Fill a small bucket with water, add some vinegar, and place it in the car. Repeat this several times, and the odor will gradually dissipate.

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How to Choose SUV Tires?

Here is a detailed introduction to SUV tires: 1. HT Tires: Highway Terrain tires, mainly for urban SUV models driving on paved roads. Paved roads can be simply understood as cement and asphalt surfaces, while unpaved roads refer to gravel and mud roads. HT off-road tires are primarily designed for urban SUVs, ensuring comfort and stability. The most emphasized performance of HT off-road tires is comfort. 2. AT Tires: AT (All-Terrain) tires, also known as all-terrain off-road tires, allow SUVs equipped with these tires to perform well on both paved and unpaved roads. AT tires have more prominent off-road capabilities compared to HP tires. AT tires feature larger tread blocks and deeper longitudinal and transverse grooves than HT tires, with relatively harder rubber in the tire body. These designs enhance the tire's driving force and off-road capability on unpaved surfaces but reduce comfort. 3. MT Tires: MT (Mud-Terrain) tires have a very distinctive off-road style compared to HT and AT tires. Their tread patterns are very exaggerated, with large tread blocks and deep longitudinal and transverse grooves. Mud-Terrain refers to muddy conditions, and they can also be called mountain off-road tires. The wide grooves between the 'tread teeth' facilitate slow mud expulsion or high-speed mud flinging, and they provide strong adhesion on harsh surfaces (such as uneven rocks). MT tires produce significant noise on roads, have poor comfort, and their braking and steering performance is inferior. However, on harsh surfaces, they not only offer exceptional grip but are also less prone to damage. MT tires are further categorized into specialized types like rainforest tires and rock-climbing tires.

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What is the principle of the Pajero clutch pressure plate?

The principle of the Pajero clutch pressure plate is that the torque generated by the engine is transmitted to the driven plate through the friction between the flywheel, pressure plate, and the contact surface of the driven plate. Here are the relevant introductions: 1. When the driver depresses the clutch pedal, the diaphragm spring's large end drives the pressure plate to move backward through the transmission of mechanical components, separating the driven part from the driving part. 2. During driving, the driver can depress or release the clutch pedal as needed to temporarily separate or gradually engage the engine and the transmission, thereby cutting off or transmitting the power input from the engine to the transmission.

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How to Deal with Bubbles on Rear Windshield Film?

There are several methods to deal with bubbles on the rear windshield film: 1. If bubbles appear shortly after the film is applied, and they contain white spots, it is usually due to moisture trapped between the film and the glass during installation. The moisture will evaporate and form small white bubbles the next day or after some time, but the bubbles will not be very large or numerous. 2. If bubbles appear several years after the film is applied, and they become more numerous and larger over time, this may be caused by the use of low-quality film. 3. Other reasons include poor film quality, such as aging adhesive layers, rough film structure, or easy detachment, which can lead to bubbles, ripples, and other phenomena when exposed to ultraviolet light.

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What is the reason when the electric car's lights are on but it doesn't move?

How Often Should Car Refrigerant Be Replenished?

How to Deal with Frost on Car Windows?

How to Remove Odors from the Car?

How to Choose SUV Tires?

What is the principle of the Pajero clutch pressure plate?

How to Deal with Bubbles on Rear Windshield Film?

How to Avoid Orange Peel When Spray Painting?

Is it possible to shift into N gear when driving downhill with an automatic transmission car?

How to Properly Place Your Feet on the Brake and Accelerator in an Automatic Transmission Car?

What is the recommended engine oil specification for the BYD F3 maintenance manual?