How to Set One-Touch Window Control in Lavida?

How to Check the Production Date of Great Wall Engine Oil?

The production date of Great Wall engine oil is located at the bottom of the oil container, with the first six digits representing the production date. Automotive lubricants are categorized into mineral lubricants, synthetic lubricants, semi-synthetic lubricants, and others. The functions of automotive engine oil are as follows: 1. Lubrication and wear reduction: There is rapid relative sliding between the piston and cylinder, as well as between the main shaft and bearing shells. To prevent excessive wear of parts, an oil film needs to be established between the two sliding surfaces. A sufficiently thick oil film separates the surfaces of relatively sliding parts, thereby achieving the purpose of reducing wear. 2. Cooling and temperature reduction: Engine oil can carry heat back to the oil tank and then dissipate it into the air, helping the radiator cool the engine. 3. Cleaning and purification: High-quality engine oil can carry carbon deposits, sludge, and worn metal particles from engine parts back to the oil tank through circulation, washing away dirt generated on the working surfaces of parts via the flow of the lubricating oil. 4. Sealing and leak prevention: Engine oil can form a sealing ring between the piston rings and piston, reducing gas leakage and preventing external contaminants from entering.

2

4

Share

How to Drive a Dual-Clutch Transmission Car?

Steps for driving a dual-clutch transmission car: 1. When starting, press the brake pedal, shift into N gear to start, then shift into D gear after starting, release the brake, and press the accelerator to begin moving; 2. When parking, first press the brake, wait for the car to come to a complete stop, shift into N gear, and finally turn off the engine and shift into P gear to park; 3. At a red light, press the brake and shift into N gear, remember to release the handbrake when starting, and shift from D gear to S gear when overtaking; 4. When reversing, shift into R gear, other operations are the same as an automatic transmission car. The clutch is located between the engine and the transmission, serving as a mechanism that can transmit and cut off power.

2

3

Share

What is the difference between HI and LO in seat heating?

In seat heating, the letters HI stand for the English abbreviation of 'high,' meaning high-level heating; LO is the English abbreviation for 'low,' indicating low-level heating. Function of seat heating: The seat heating function uses heating wires inside the seat to warm it, preventing discomfort from excessively low seat temperatures during long winter rides. Symbol for seat heating: The seat heating symbol is a seat icon with three upward-pointing wavy arrows. Heating is generally divided into three levels: low, medium, and high. The button is usually installed on the center console, next to the air conditioning knob, though some models may place it on the left side of the driver's seat or on the driver's door. Reasons why the seat heating light is on but the seat is not heating: If the seat heating light is on but the seat temperature does not rise, it is likely due to damaged heating wires. The seat heating function works similarly to an electric blanket—if the heating wires are damaged, heating cannot occur, and the indicator light will remain on. Additionally, a short circuit in the seat heating switch or a blown fuse can also prevent the seat from heating. Specific issues should be diagnosed and repaired at a 4S shop.

11

3

Share

What is 0W-20 engine oil?

0W-20, the "W" stands for "winter", meaning it is for winter use. The number before the "W" (5) represents the viscosity at low temperatures. The smaller the number, the better the fluidity at low temperatures and the stronger the cold resistance. "20" refers to the viscosity at 100°C. The larger the number, the higher the viscosity and the stronger the high-temperature resistance. Below is the relevant introduction: 1. Notes on selecting oil viscosity: When choosing oil viscosity, you should select the appropriate viscosity based on your driving habits, the technical characteristics of the engine, and the driving conditions. When the engine is running, the oil forms a film on the surface of each component inside the engine, which prevents direct contact and friction between the components. 2. The importance of viscosity: If the oil viscosity is insufficient, the oil cannot form a stable film, which will increase engine wear. However, if the oil viscosity is too high, it will increase the engine's operating resistance, leading to insufficient engine power. 3. Engine oil needs to be replaced regularly: The performance of engine oil will degrade over time. If the oil is not changed for a long time, it will accelerate engine wear. Each time the oil is changed, the oil filter should also be replaced. The oil filter is used to filter the oil. Without an oil filter, the oil will become very dirty after some use, which will also affect the lubrication of the oil.

4

Share

What is EH oil?

EH oil, simply put, is the oil supplied to the DEH system. It is a high-pressure, flame-resistant, and explosion-proof oil specifically used in turbine systems to drive the opening and closing of turbine control valves. Below is a related introduction: 1. Composition of the EH oil system: The EH oil system mainly consists of an EH oil tank, EH oil pump, inlet and outlet valves, filter screens, control blocks, relief valves, accumulators, EH oil supply and return pipes, oil coolers, as well as a self-circulating oil filtration system and a self-circulating cooling system. 2. Oil tank: A container used to store the oil required for system operation. 3. EH oil pump: Adjusts the outlet oil pressure. 4. Relief valve: Installed to prevent excessive oil pressure in the EH oil system, ensuring the system pressure remains above 17 MPa. 5. Oil pump outlet filter screen: Used for filtration. 6. Accumulator: Ensures normal pressure throughout the system. 7. Oil cooler: Prevents the oil temperature from becoming too high, which could lead to softening, deformation, or burning accidents in the bearings. 8. EH oil supply and return pipes: Serve as the oil supply channels. 9. Self-circulating oil filtration system: An independent self-circulating oil filtration system is set up to ensure the cleanliness of the oil system. 10. Self-circulating cooling system: Under normal circumstances, the system's pressurized return oil is sufficiently cooled after passing through the return oil cooler.

14

5

Share

Which military unit does the XA license plate belong to?

License plates starting with XA are military vehicle plates, where A represents military academies directly under the Central Military Commission. Here is an introduction to military vehicle license plates: 1. Military vehicle license plates are the identification of military vehicles. They are number plates with registered codes issued by the military transportation department after reviewing, inspecting, and registering the vehicles applying for the plates. 2. The first generation of military vehicle plates used six-digit numbers, the second generation used five-digit numbers, and the third generation used a combination of two Arabic numerals and four Arabic numerals. 3. The fourth generation of military vehicle plates was quite special, consisting of four parts: the prefix, prefix number, separator, and serial number. The plates started with Chinese characters such as Jia, Yi, Bing, and Ding. 4. The fifth generation of military vehicle plates started with English letters. To enhance the anti-counterfeiting function of the plates, aluminum alloy material was used, which extended the service life of the plates. 5. The sixth generation of military vehicle plates adopted the world's most advanced two-dimensional and three-dimensional dynamic flashing anti-counterfeiting technology, making this generation of plates uniquely designed. 6. The seventh generation of military vehicle plates is the most advanced generation. These plates also use ETC technology and are divided into large plates and small plates, with five-digit and four-digit numbers, respectively.

16

5

Share

How to Set One-Touch Window Control in Lavida?

How to Check the Production Date of Great Wall Engine Oil?

How to Drive a Dual-Clutch Transmission Car?

What is the difference between HI and LO in seat heating?

What is 0W-20 engine oil?

What is EH oil?

Which military unit does the XA license plate belong to?

What is WESTLAKE tire?

How to Resolve OBD Faults

Can You Continue Driving with an HDC System Malfunction?

How often should the Aisin 6AT transmission fluid be changed?