What are the types of automotive heat-insulating glass?

Can You Spray Perfume Directly in the Car?

It is best not to spray perfume directly in the car. Perfume can be sprayed at the car's air conditioning vents, as this location facilitates airflow, helping the fragrance to disperse. What can you put in the car for a fresh and healthy scent: 1. Fruits: Fruits naturally have their own distinctive aromas. Using fruits to eliminate odors is more environmentally friendly than chemical products, and the fragrance is fresher and more natural. You can place fruits like oranges, pomelos, or apples in the car, as they have unique fresh scents. For oranges and pomelos, it's best to use their peels, which contain essential oils with refreshing aromas, helping to freshen the air while also making use of waste. Note that fruits have a limited shelf life; they should be replaced after a few days to avoid mold and bacterial growth, which would be counterproductive. 2. Activated charcoal bags: Activated charcoal bags are excellent for purifying the air and are very suitable for use in cars. If the car's leather seats have odors, placing some activated charcoal bags can effectively eliminate the smell.

1

0

Share

Why does the car air conditioning pipe freeze but the car interior doesn't cool down?

Analysis of the reasons why the car air conditioning pipe freezes but the car interior doesn't cool down is as follows: 1. Freezing and blockage at the expansion valve: When the expansion valve freezes, it indicates the refrigerant contains moisture. Symptoms include intermittent cooling of the air conditioning. Moisture expands and freezes at the expansion valve, causing the evaporator to stop absorbing heat and rapidly increasing the temperature. Then the ice melts into water, and the evaporator resumes heat absorption and cooling, followed by freezing again, creating a cycle. This freezing occurs due to water or other frozen substances in the refrigerant, not because the temperature is too low. After freezing, the evaporator temperature rises instead of falling, so the temperature sensor closes, while the pressure switch only turns off the compressor clutch when high pressure reaches a certain value. If the high pressure doesn't reach the rated value and the ice melts, the pressure switch doesn't function. 2. Frost formation on the outer surface of the low-pressure pipe: This situation is common in cars with good cooling performance. It happens when the condenser performs exceptionally well or the evaporator performs exceptionally poorly, unrelated to pressure. Many car owners who have had their air conditioning repaired will notice that the air conditioning doesn't cool as well after driving home as it did right after repair. The reason is that most repair shops rinse the condenser with water after fixing the air conditioning, as water helps improve the condenser's heat dissipation, leading to frequent frost formation on the outer surface of the low-pressure pipe.

14

5

Share

What is the speed requirement for shifting from second gear to first gear?

Shifting from second gear to first gear can be done at around 15-20 km/h. Below is some related additional information: 1. Subject Three: This includes the road driving skills test and the safety and civilized driving knowledge test, which are part of the motor vehicle driver's license assessment. It is the abbreviation for the road driving skills and safety and civilized driving knowledge test in the motor vehicle driver's examination. The content of the road driving skills test varies for different types of permitted driving licenses. 2. The 100-meter gear shifting exercise: This assesses the driver's proficiency in handling vehicle gears. The vehicle starts from the 100-meter starting line and must complete acceleration from the lowest gear to the highest gear within 100 meters, followed by deceleration from the highest gear back to second gear. The entire process should be smooth and fluid.

13

1

Share

What lights should be turned on when temporarily parking a vehicle in rainy weather?

When temporarily parking on the roadside at night or during windy, rainy, snowy, or foggy conditions, you should turn off the headlights and turn on the clearance lights and hazard warning flashers. When temporarily parking a motor vehicle on the road, the following regulations must be observed: 1. On road sections with no-parking signs or markings: Parking is prohibited on road sections with isolation facilities between motor vehicle lanes and non-motor vehicle lanes or sidewalks, as well as on crosswalks and construction areas. 2. Intersections: Parking is prohibited at intersections, railway crossings, sharp curves, narrow roads less than 4 meters wide, bridges, steep slopes, tunnels, and road sections within 50 meters of these locations. 3. Stations: Parking is prohibited in front of bus stops, emergency stations, gas stations, fire hydrants, or fire stations, and within 30 meters of these locations, except when using the aforementioned facilities.

6

2

Share

What Does the Wrench Symbol on a Vehicle Mean?

When a wrench symbol appears on a vehicle, it serves as a reminder for the owner to perform maintenance. The car automatically activates this warning light at specific mileage intervals to prompt timely servicing, indicating that the vehicle requires maintenance rather than signaling a fault. Therefore, it is recommended that the owner schedule maintenance as soon as possible. The maintenance light is a tool that records the usage mileage of critical components, providing a reminder function when internal parts begin to wear significantly. Vehicle maintenance is categorized into major and minor services. Minor maintenance primarily involves replacing the engine oil and oil filter, while major maintenance includes replacing additional components such as the air filter, cabin air filter, and more. The replacement intervals for parts like spark plugs, brake fluid, and transmission fluid are not fixed and should be determined by referring to the vehicle's maintenance manual.

3

1

Share

What is the Vehicle Coordinate System?

Vehicle coordinate system is a special dynamic coordinate system used to describe the motion of a vehicle. Extended information about the vehicle coordinate system is as follows: 1. Measurement method: Its origin coincides with the center of mass. When the vehicle is stationary on a horizontal road surface, the X-axis is parallel to the ground and points to the front of the vehicle, the Z-axis passes through the vehicle's center of mass and points upward, and the Y-axis points to the left side of the driver. 2. Specific explanation: Chinese name: Vehicle coordinate system. Characteristics: Its origin coincides with the center of mass. Currently, there are several commonly used definitions of vehicle body coordinate systems in academia and industry. These include the ISO international standard definition, the SAE (Society of Automotive Engineers) definition, and the coordinate definition based on the Inertial Measurement Unit (IMU). In vehicle dynamics analysis, the ISO-defined vehicle body coordinate system is more common. The SAE-defined vehicle body coordinate system is consistent with the body coordinate system commonly used in the aerospace field. The IMU-based vehicle body coordinate system is more common in applications related to IMUs. Regardless of which coordinate system definition is used, as long as it is used correctly, it can describe the position of the vehicle body and determine the relative positional relationship between surrounding objects and the vehicle.

19

1

Share

What are the types of automotive heat-insulating glass?

Can You Spray Perfume Directly in the Car?

Why does the car air conditioning pipe freeze but the car interior doesn't cool down?

What is the speed requirement for shifting from second gear to first gear?

What lights should be turned on when temporarily parking a vehicle in rainy weather?

What Does the Wrench Symbol on a Vehicle Mean?

What is the Vehicle Coordinate System?

Is Lightning Damage to a Car Covered by Insurance?

Should You Open the Car Windows When the Car is Parked Under the Sun?

Why can't my car connect to my phone?

What Causes the Charging Pile Fault Light to Flash?