What is the difference between 5w-40 and 5w-30?

What kind of company is BYD?

BYD was originally a rechargeable battery manufacturer. In addition to manufacturing automobiles, BYD is also involved in battery and new energy businesses. Today, BYD has become the world's largest rechargeable battery producer, and it initially started with battery operations. BYD's current development in electric vehicles benefits from its early-stage accumulation, with the following main factors: 1. Technology: BYD's full range of pure electric vehicles has achieved a range of 300 kilometers, setting a benchmark for new energy vehicle range. BYD's unique fast-charging feature allows 50% of the battery to be charged in just half an hour, completely eliminating range anxiety. 2. Ecosystem sharing: BYD will accelerate and enhance its products, technologies, services, and user experience. With the launch of multiple new energy vehicle models in 2017, BYD will continue to provide consumers with the highest-quality new energy vehicles and thoughtful services. 3. Safety: As the only automobile company that masters the core technologies of batteries, motors, and electronic controls, BYD has always been an industry leader in battery safety, vehicle body safety, and chassis stability.

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What are the reasons for the car air conditioning compressor not engaging?

Reasons for the car air conditioning compressor not engaging: 1. Faulty compressor clutch. 2. Issues with the compressor control circuit. 3. Damaged temperature control sensor in the car air conditioning system. 4. Insufficient or no refrigerant in the compressor. The following are precautions for using car air conditioning: 1. Regularly add refrigerant: The refrigerant used in car air conditioning is R134a, and it needs to be replenished periodically. Failure to add refrigerant for a long time can result in reduced cooling efficiency and slower cooling speed. 2. Regularly clean the car air conditioning: The air conditioning system can harbor many bacteria. When cleaning the air conditioning or adding refrigerant, it is essential to go to a professional institution and have experts perform the operation using professional equipment.

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Why Does the Truck's Radiator Always Run Low on Water?

Truck's radiator frequently running low on water indicates a leak. Below is relevant information about the radiator: 1. Concept: The car radiator, also known as the heat exchanger, is a key component in the vehicle's cooling system; its function is to dissipate heat. 2. Working Principle: The radiator is a crucial part of water-cooled engines, serving as an essential component in the heat dissipation circuit of water-cooled engines. It absorbs heat from the engine block to prevent overheating. Due to water's high specific heat capacity, the temperature rise after absorbing the engine block's heat is relatively small. Thus, the engine's heat is transferred through the liquid cooling circuit, using water as the heat transfer medium. The heat is then dissipated through large-area cooling fins via convection to maintain the engine's optimal operating temperature.

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Where are the sunroof drainage holes located on the Buick Excelle?

The sunroof drainage holes are located at the small openings in the two corners of the sunroof, with rubber tubes running down near the front door hinge frame. If you can't locate them, you can slowly pour some bottled water and observe the flow direction to identify the drainage holes. The sunroof drainage structure is relatively simple, consisting of hard plastic and rubber drainage tubes that run through the A-pillar. Common causes of leakage include: 1. Blocked sunroof drainage outlets: Debris can obstruct the flow of rainwater, causing it to seep into the car. To address this, simply clear the drainage channel by pouring water into it and checking if water flows out near the front tires. Alternatively, clean the outlet with a towel to ensure proper drainage. 2. Damaged sunroof seal: A compromised seal allows rainwater to enter the car. Replacing the seal requires removing both front and rear sunroof glass panels and carefully installing a new seal around the edges, a process that demands technical skill. 3. Gaps in the sunroof frame: These can allow rainwater to seep in, typically noticeable during heavy rain. Fixing this issue is complex; applying sealant to the frame may help, but it's challenging. If the vehicle is still under warranty, replacing the entire sunroof frame is the most straightforward solution, though it requires professional expertise.

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Why Should You Honk More When Driving in Foggy Weather?

When driving in foggy weather, honking more is to attract the attention of others and avoid danger. Visibility is very low in foggy conditions, so sounding the horn several times serves as a reminder to others to be more alert. Additionally, fog lights and position lights should be turned on to prevent accidents. Precautions for driving in foggy weather: 1. Be mentally prepared: Before setting out, accurately assess the day's visibility to have a clear understanding. The lower the visibility, the more vigilant you should be while driving. If visibility is less than 5 meters, it is considered extremely heavy fog, and it is best not to drive. Wait until the fog dissipates or lightens before setting out. 2. Check the car's fog lights: Before departure, ensure that the vehicle's fog lights are functioning properly and that they are installed according to national standards. When visibility is less than 1 kilometer in foggy conditions, headlights and rear fog lights must be turned on.

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Should You Shift to Neutral at Red Lights in an Automatic Transmission Car?

When waiting at a red light in an automatic transmission car, it is strongly recommended to shift to neutral. This not only reduces wear and tear on the vehicle and lowers fuel consumption but also minimizes repair costs under extreme conditions. When the car is in Drive (D) gear, it tends to creep forward slowly, requiring the driver to press the brake pedal to prevent movement. Prolonged use of this method will inevitably shorten the lifespan of the brake pads. Below is an introduction to the relevant gear positions: 1. P (Parking) - Parking Gear, Start Gear: Used when the vehicle is parked and not in use. In this position, the wheels are mechanically locked to prevent rolling. The vehicle must be completely stopped before shifting to P gear; otherwise, the mechanical parts of the automatic transmission may be damaged. 2. R (Reverse) - Reverse Gear: Used for reversing. Never force the gear into R while the vehicle is still moving, as this can severely damage the transmission. 3. N (Neutral) - Neutral Gear: Used for temporary stops (e.g., at a red light). This position indicates neutral. To prevent the vehicle from rolling on a slope, always apply the brake. 4. D (Drive) - Drive Gear: Used for normal driving on regular roads. 5. S (Sport) - Sport Mode: In this mode, gears can be freely switched, but the shift timing is delayed to maintain high engine RPM for a period, enhancing the car's power. However, this mode increases fuel consumption.

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What is the difference between 5w-40 and 5w-30?

What kind of company is BYD?

What are the reasons for the car air conditioning compressor not engaging?

Why Does the Truck's Radiator Always Run Low on Water?

Where are the sunroof drainage holes located on the Buick Excelle?

Why Should You Honk More When Driving in Foggy Weather?

Should You Shift to Neutral at Red Lights in an Automatic Transmission Car?

What is a Central Locking System in a Car?

What is the power of BYD home charging pile?

Can You Drive a Tesla in Heavy Rain?

Why Replace Both License Plates When Only One Is Damaged?