Which city does Lu F belong to?

What Tools Are Used for Car Polishing?

Tools required for car polishing: polishing machine, clay bar or decontamination pad, wool pad and foam pad, various types of polishing compounds. Introduction to car polishing: Car polishing involves using a polishing machine with polishing pads and compounds to evenly grind the car's paint. It primarily relies on the cutting force of the polishing pad and the fine particles in the compound to heat and soften the paint, allowing the surrounding paint to fill in scratches. This process results in a smooth and glossy finish, making scratches invisible. Precautions for car polishing: If your car needs polishing, it is recommended to visit a professional auto detailing shop. Achieving good results without a polishing machine is difficult, and improper operation can damage the car's paint.

6

4

Share

How much is the fine and how many points are deducted for modified vehicles?

The Road Traffic Safety Law stipulates: Driving an illegally modified motor vehicle on the road will result in a fine, revocation of the driver's license, and confiscation of the vehicle. For illegally modified motorized vehicles, the public security traffic management department will not issue a safety technical inspection qualification mark. If it constitutes a violation of public security management, the public security organs will impose penalties such as fines or detention in accordance with the relevant provisions of the Public Security Administration Punishment Law. Modifications within the legally permitted scope and applying for a change of registration with the vehicle management office at the place of registration within 10 days are considered legal modifications. Currently, modifications allowed in China include: 1. Appearance modifications: The installation of exterior parts must ensure they do not harm pedestrians during use and do not exceed a certain proportion of the vehicle's dimensions; 2. Front bumper modifications: Replacing the front bumper is considered altering the vehicle's appearance and is feasible after approval. However, modifications should not be excessive, as overly exaggerated changes may fail manual approval; 3. Vehicle color modifications: Changing the vehicle's color only requires notification and approval. Therefore, if you dislike the current color, you can apply for a change yourself. However, the vehicle body cannot have more than three main colors and must not contain advertising content. The use of colors reserved for specific vehicles is prohibited, such as fire engine red, engineering vehicle orange, police vehicle blue-white, and camouflage colors for special vehicles. Additionally, the color must not be the same as public transport vehicles, taxis, or other public service vehicles.

6

5

Share

How to Know Whether to Use 92 or 95 Octane Gasoline for Your Car

To determine whether your car requires 92 or 95 octane gasoline, check the label on the inside of the fuel tank cap or the owner's manual. 92-octane gasoline is suitable for gasoline-powered vehicles with an engine compression ratio between 8.6 and 9.9. 95-octane gasoline is suitable for gasoline-powered vehicles with an engine compression ratio between 10.0 and 11.5. Below is additional information about gasoline grades: 1. Gasoline grade: It represents the ratio of the actual gasoline's anti-knock performance to that of standard gasoline. The higher the grade, the stronger the anti-knock performance, but higher grades are not necessarily better. The primary criterion for selecting a gasoline grade is the engine's compression ratio, which is also a key energy-saving indicator in modern vehicles. 2. Delayed ignition: If an engine designed for 92-octane gasoline is forced to use 95-octane gasoline, "delayed ignition" may occur. This means the fuel does not reach its auto-ignition point even when fully compressed, leading to incomplete combustion.

12

0

Share

How much fuel is consumed by idling with the air conditioning on for one hour?

Idling with the air conditioning on for one hour consumes 1-2L more fuel than driving normally without the air conditioning. In summer, when the air conditioning is turned on, the compressor needs to work to provide cooling. The air conditioning compressor cannot operate on its own; it relies on the engine to drive it, which consumes some of the engine's power. This is why using air conditioning for cooling affects fuel consumption. Here are some methods to save fuel when using the air conditioning: 1. If the car is parked outdoors in summer: It's best to open the windows before turning on the air conditioning. Avoid immediately turning on the cooling function; instead, set the fan to maximum speed to accelerate ventilation and wait for the hot air inside the car to dissipate before turning on the cooling. 2. Adjust the air vents: Pointing the vents upward improves cooling efficiency through physical principles. 3. Avoid setting the air conditioning temperature to the lowest for extended periods: A large temperature difference between the inside and outside of the car can increase fuel consumption and also affect the health of the passengers.

1

0

Share

What to Do When Encountering a Test Car with Difficult Gear Shifting?

If you encounter a test car with difficult gear shifting during the Subject 2 driving test, you can only try a few more times. If there is an examiner sitting beside you, you can ask for help or report the issue. Generally, if an unexpected situation occurs, the examiner will provide some hints. Here is some extended information about the driving test: 1. No Deduction: According to the 'Regulations on the Application and Use of Motor Vehicle Driving Licenses', re-shifting gears when starting the car does not result in a deduction. However, if you shift out of gear and then back into gear while the car is moving, you will be deducted 100 points and directly deemed as failing. Therefore, if you find the car difficult to shift gears before it moves, you can try a few more times, as long as you ensure the gear is engaged before releasing the clutch to start. 2. Report the Issue: Test cars are usually easier to drive than training cars, so encountering difficulty in shifting gears is relatively rare. If you find it hard to shift gears, first check if the clutch is fully depressed. If everything is normal and you still can't shift gears, you can report it to the examiner.

12

5

Share

Does the Charcoal Canister Need Regular Replacement?

Generally speaking, the charcoal canister does not need to be replaced frequently. It only requires replacement if the interior becomes clogged or if carbon particles leak out. Causes of charcoal canister damage: Reasons for replacing a damaged charcoal canister: prolonged usage over many years. Another reason: overfilling the fuel tank after the pump nozzle automatically shuts off, which can force excess fuel into the canister and damage it. Therefore, once the fuel pump nozzle clicks off, do not attempt to add more fuel. Function of the charcoal canister: The charcoal canister is typically installed between the fuel tank and the engine. Since gasoline is a highly volatile liquid, the fuel tank often contains vapor at normal temperatures. The fuel evaporation emission control system is designed to direct these vapors into the combustion process and prevent them from escaping into the atmosphere. The activated charcoal canister storage device plays a crucial role in this process.

10

5

Share

Which city does Lu F belong to?

What Tools Are Used for Car Polishing?

How much is the fine and how many points are deducted for modified vehicles?

How to Know Whether to Use 92 or 95 Octane Gasoline for Your Car

How much fuel is consumed by idling with the air conditioning on for one hour?

What to Do When Encountering a Test Car with Difficult Gear Shifting?

Does the Charcoal Canister Need Regular Replacement?

What are the consequences of oil seal leakage?

What to Do When the Engine Delays Shutting Off After Turning Off the Key?

What are the penalties for driving a motor vehicle after drinking alcohol?

What do the front and rear windshield defogger icons look like?