What do main road vehicles and auxiliary road vehicles mean?

Does the car air conditioning system need cleaning?

Car air conditioning systems do require cleaning. More relevant information is as follows: 1. The function of a car air conditioning system is to provide a comfortable and healthy environment for passengers. During the operation of the air conditioning, the evaporator absorbs heat from the car to lower the temperature inside. Due to its low surface temperature, it remains in a damp state, which makes it prone to accumulating germs, dust, and other debris, especially in vehicles without an air filter. While driving, a large amount of dust and dirt can enter the air intake of the air conditioning system, accumulating in the air ducts and on the surface of the evaporator. On one hand, this can block the ventilation holes of the evaporator, reducing airflow; on the other hand, in a high-humidity, enclosed environment, it can breed a large number of harmful bacteria. These bacteria float in the air inside the car as it circulates, causing symptoms such as dizziness, fatigue, and nausea. Prolonged exposure can lead to respiratory diseases, posing health risks. 2. If not cleaned for a long time, when you turn on the air conditioning, you may notice musty, smoky, or foul odors, which are the root causes of health hazards. Therefore, regular cleaning is essential, especially before using the air conditioning in summer and the heater in winter. Generally, cleaning every 40,000 kilometers is recommended, including the evaporator and air ducts, followed by replacing the air filter.

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Which digit of the license plate number is restricted?

Traffic restrictions are based on the last digit of the license plate number. Taking Beijing as an example, from April 10, 2011, to July 9, 2011, the restricted last digits of motor vehicle license plates from Monday to Friday were: 2 and 7, 3 and 8, 4 and 9, 5 and 0, 1 and 6 (including temporary license plates; for license plates ending with an English letter, it is managed as 0; the same applies below). From July 10, 2011, to October 8, 2011, the restricted last digits of motor vehicle license plates from Monday to Friday were: 1 and 6, 2 and 7, 3 and 8, 4 and 9, 5 and 0. Additional Information: The following motor vehicles are not subject to the above restrictions: 1. Police cars, fire trucks, ambulances, and engineering rescue vehicles; 2. Public electric buses, interprovincial long-distance passenger vehicles and large buses, taxis with Jing B license plates (excluding rental vehicles), postal service vehicles, vehicles holding tourist bus operation certificates issued by the municipal transportation administrative department, and unit shuttle buses and school buses approved by the municipal public traffic management department; 3. Administrative law enforcement vehicles and special obstacle removal vehicles with unified body markings performing official duties.

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Do Rear-Wheel Drive Cars Skid in the Rain?

Rear-wheel drive cars generally do not skid in the rain. Skidding in rear-wheel drive cars during turns is usually caused by oversteering or understeering. If a rear-wheel drive car skids due to oversteering, the driver should turn the steering wheel in the opposite direction and apply the throttle to correct the car's position. If a rear-wheel drive car skids due to understeering, the driver should apply the brakes to slow down the car; otherwise, it may easily run off the road. When the car starts to skid, it is important to keep the steering wheel steady and avoid panicking. Rainy day driving tips: When driving in rainy weather, it is necessary to turn on the windshield wipers and the headlights (daytime running lights are usually on by default). Keep both hands on the steering wheel to prevent the car from skidding. Try to reduce the car's speed and avoid pressing the brake pedal too hard to prevent the tires from locking up and causing side skidding. During turns, try to slow down as much as possible because wet roads can cause the wheels to skid easily. Also, avoid overtaking whenever possible. Rear-wheel drive cars, where the engine is front-mounted and the rear wheels are driven, represent a traditional form of drivetrain.

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How to cancel the S mode on a Mercedes-Benz GLA?

To cancel the S mode on a Mercedes-Benz GLA200 dashboard, follow these steps: 1. First, press the one-touch start button below the steering wheel in the driver's compartment to start the vehicle's engine. 2. Then, locate the driving mode switch button on the center console. 3. Press the driving mode switch button. 4. The vehicle will then switch back to Comfort mode, and the S on the dashboard will disappear. 5. You will see the dashboard display C, indicating Comfort mode. Additional information: 1. When the dashboard displays S, it means the vehicle is in Sport mode (S stands for Sport). In Sport mode, the transmission can shift freely, but the shift timing is delayed, keeping the engine at higher RPMs for a longer period, allowing the car to move at lower gears with higher RPMs for extended durations, resulting in greater torque output and acceleration. When using S mode, due to the increased RPM, the engine's fuel injection changes, and the power output intensifies. Additionally, the suspension becomes firmer compared to normal mode, reducing body roll during turns and minimizing nose-diving when braking. Of course, comfort is somewhat compromised in S mode. 2. Advantages of S mode: For cars frequently driven in congested urban areas, the engine tends to accumulate more carbon deposits. Therefore, using S mode periodically helps clear carbon deposits from the engine, improves fuel economy, and can extend the engine's lifespan.

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What is Crystal Coating?

Automotive crystal coating is a reliable paint sealing technology that provides efficient and long-lasting protection for the car's paint, preventing environmental factors from affecting the paint color. The advantages of automotive crystal coating are as follows: 1. Scratch Resistance: The diamond crystal hardness reaches 6H, compared to the 2H hardness of ordinary car paint, it can prevent most minor scratches and has an elastic recovery function, protecting the vehicle from daily minor scratches, reducing paint scratches by more than 70% compared to ordinary coatings. When external forces exceed the elastic protection range of the crystal, it usually only leaves a scratch on the crystal without damaging the paint. 2. Corrosion Resistance: The ultra-fine nano-crystal layer of the diamond crystal isolates the paint from the external environment, effectively preventing oxidation and resisting corrosion from bird droppings, insect residues, acid rain, etc. 3. No Cracking: The diamond crystal resists UV rays, high temperatures, and extreme cold, with a temperature resistance range of -50°C to 300°C, adapting to a wide range of temperature changes without cracking or peeling. 4. Easy Cleaning: The strong fiber network of the diamond crystal fills the invisible tiny pores on the car's paint surface, achieving a mirror-like finish, making the car body easy to clean and maintain. Various dust and dirt can be rinsed off with just water (without any detergent), restoring and maintaining the surface's crystal-clear appearance. Even if oil stains or insect remains are present, they can be easily removed by wiping the surface with a wet towel, saving more than 50% on car washing, and it also has a super hydrophobic self-cleaning function. 5. Anti-Static: The diamond crystal in automotive crystal coating contains an anti-static agent, making the paint less likely to attract dust and preventing 'traffic film'.

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Where to Place the ETC Device?

The installation position for ETC devices in small cars is generally in the upper middle part of the front windshield, while for large vehicles like trucks and buses, it is installed in the lower middle part. The appropriate installation position should be no lower than 1.2 meters and no higher than 2.5 meters, with an installation angle between 30 to 90 degrees. For vehicles with anti-explosion film or those that have it installed later, which may affect the signal transmission of the microwave communication link, the device should be installed in the microwave skylight strip. ETC stands for Electronic-Toll-Collection, meaning electronic toll collection system. To apply for ETC, the vehicle owner needs to provide original and photocopies of their valid ID card and vehicle registration certificate. If the application is handled by a non-owner, the agent's valid ID card is also required. The photocopy of the vehicle registration certificate should include the page stamped with the most recent annual inspection. Additionally, a bank card for deducting highway tolls is required, and the vehicle must be registered under the name of an individual aged between 18 and 60. Here are some precautions for installing ETC: Do not block the view; it's best to install it behind the rearview mirror: Many car models have a large inclination angle for the windshield, which can reduce the driver's field of vision. If this is not considered during ETC installation, it may increase the driver's blind spots. Installing it behind the rearview mirror on the right side can help avoid obstructing the view. Do not interfere with charging: The ETC electronic tag consumes power but generally does not require charging or battery replacement because it has a solar panel on the back that can charge itself. Therefore, during installation, avoid the blackened areas on the windshield and positions that may block the solar panel. Once installed, do not remove it arbitrarily: The button in the middle of the adhesive is an anti-removal rod connected to a switch. After the electronic tag is installed, the windshield will press the anti-removal rod in. If the tag is removed arbitrarily, the rod will pop out and trigger the switch, locking the electronic tag and rendering it unusable. You will then need to visit an ETC service point to unlock it. This mechanism is designed to prevent multiple vehicles from sharing one device. When using ETC, note the following: The ETC transaction sensing range is 8 meters. To prevent the ETC device of the vehicle in front from malfunctioning, maintain a distance of more than 10 meters from the vehicle ahead to avoid automatic toll deduction for the wrong vehicle. The ETC lane recognition speed is 20 kilometers per hour; driving too fast may result in failure to read the vehicle device information and thus failed toll deduction. When using a debit card linked to ETC, insufficient balance may also cause toll deduction failure.

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What do main road vehicles and auxiliary road vehicles mean?

Does the car air conditioning system need cleaning?

Which digit of the license plate number is restricted?

Do Rear-Wheel Drive Cars Skid in the Rain?

How to cancel the S mode on a Mercedes-Benz GLA?

What is Crystal Coating?

Where to Place the ETC Device?

Do Rear Passengers Need to Wear Seat Belts?

What tier is HAVAL in the car market?

Why Are Nails Always the Culprits of Flat Tires?

Can the Shadow Leopard be equipped with a rear wing?