How Many Years Can Aluminum Alloy Valve Stems Be Used?

What is the validity period of a vehicle fire extinguisher?

The fire extinguishing agent has a validity period of about one year. Below are relevant details about vehicle fire extinguishers: 1. Pay attention to the expiration date: Vehicle fire extinguishers, like those used in daily life, have an expiration date. Those that exceed the usage period should be replaced promptly. After 5 years from the date of manufacture, even if unused, they must be sent to a professional maintenance unit for inspection to ensure safety and reliability. 2. Request relevant documents: When purchasing a small fire extinguisher, besides paying attention to its appearance, you should also ask the seller for the product certification, quality guarantee, and user manual to hold them accountable in case of any issues. 3. Regular inspection: Car owners should regularly check if the safety pin of the fire extinguisher is intact, if the cylinder is deformed or corroded, and if the nozzle is clogged with grease. Additionally, they should frequently clean off dust and clear the nozzle to keep it unobstructed.

9

4

Share

Can the Input Tax on Purchasing a Car for Personal Use Be Deducted?

For general taxpayers purchasing cars for personal use, as long as the cars are not used for non-deductible purposes, the input tax is deductible. Relevant policies: Original VAT taxpayers (referring to taxpayers who pay VAT according to the "Provisional Regulations of the People's Republic of China on Value-Added Tax" (hereinafter referred to as the "VAT Provisional Regulations")) have the following policies regarding input tax: Input tax: The input tax on motorcycles, cars, and yachts subject to consumption tax for personal use by original general VAT taxpayers is allowed to be deducted from the output tax. Original general VAT taxpayers receiving taxable services from pilot taxpayers cannot deduct the input tax from the output tax for the following items: items calculated using the simplified tax calculation method, non-VAT taxable items, VAT-exempt items, collective welfare, or personal consumption, including patent technology, non-patent technology, goodwill, trademarks, copyrights, and tangible movable property leasing, but only if these are exclusively used for the above items. The above-mentioned non-VAT taxable items refer to the non-VAT taxable items mentioned in Article 10 of the "VAT Provisional Regulations," but do not include the items listed in the "Commentary on the Scope of Taxable Services." If a company purchases a new car in its name and the company is a general taxpayer, it can request the deduction copy of the unified motor vehicle sales invoice from the dealer and deduct the input tax based on the VAT amount indicated on the deduction copy. The vehicle purchase tax paid should be included in the cost of the car and recorded as fixed assets. After the company records the purchased vehicle as fixed assets, it should calculate depreciation using the straight-line method, and the depreciation expense should be included in the relevant costs and expenses, which are deductible before income tax, effectively offsetting the income tax expense.

15

2

Share

How many meters should a warning sign be placed when a motor vehicle breaks down on the road?

A warning sign should be placed 50 to 100 meters behind the vehicle when a motor vehicle breaks down on the road. Details are as follows: 1. Article 60 of the "Regulations for the Implementation of the Road Traffic Safety Law": When a motor vehicle breaks down or is involved in a traffic accident on the road, hindering traffic and making it difficult to move, the hazard warning flashers should be turned on as required, and a warning sign should be placed 50 to 100 meters behind the vehicle. At night, the clearance lights and rear position lights should also be turned on simultaneously. 2. According to Article 52 of the "Road Traffic Safety Law of the People's Republic of China": When a motor vehicle breaks down on the road and needs to stop to fix the problem, the driver should immediately turn on the hazard warning flashers and move the vehicle to a place where it does not obstruct traffic; if it is difficult to move, the hazard warning flashers should be kept on continuously.

20

2

Share

How Long Should You Warm Up Your Car?

Warm-up time should never exceed 3 minutes. Here is more information about warming up your car: 1. Hazards: Excessive warm-up time not only increases fuel consumption and emissions, but also causes certain degrees of carbon buildup and damage to the engine. You can start driving once the engine reaches a stable and normal idle speed. 2. Principle and method of warm-up: Since the engine oil flows back to the oil pan due to gravity, driving immediately after starting the car will increase the dry friction load between various moving parts of the engine, leading to damage. Warming up the car heats the oil, reduces its viscosity, and increases its fluidity, thereby providing better lubrication for the engine.

16

4

Share

How to Repair Small Dents on a Car?

When a car has a small dent, the most traditional treatment method is sheet metal repair, which can be used for both large and small dents. Although sheet metal repair is relatively expensive, it yields the best results. Alternatively, you can purchase a car dent repair kit to attempt the repair yourself. More details are as follows: 1. Sheet metal work generally cannot be done on your own: It requires a visit to an auto repair shop. If you choose a general repair shop, the process includes sheet metal work and repainting. Considering price factors, car owners can opt for a more reliable repair shop. If construction quality and after-sales service are priorities, choosing a 4S shop is advisable for guaranteed quality. 2. The principle of a car dent repair kit: Using tools like a hot melt glue gun and a bridge-type suction puller, the kit adheres to the car body with suction cups and then pulls out the dented area through the principle of tension. Although the operation is simple and can be done by oneself, the completeness of the repair is not as effective as traditional sheet metal work.

16

1

Share

Why does the Xingyue L require 95-octane gasoline?

According to the official vehicle manual recommendation, the Xingyue L 2.0T should use 95-octane gasoline, while the 1.5T hybrid version can use 92-octane gasoline. In addition to checking the appropriate gasoline grade in the vehicle manual, the Xingyue L also displays this information on the fuel tank cap. Generally, the gasoline grade can also be determined based on the engine's compression ratio. Vehicles with a compression ratio between 8.6-9.9 should use 92-octane gasoline, while those with a compression ratio between 10.0-11.5 should use 95-octane gasoline. However, with the application of new technologies, the compression ratio alone cannot determine the required gasoline grade. High compression ratio engines can also be tuned to use lower-octane gasoline due to other influencing factors, such as ignition timing, turbocharging technology, and Atkinson cycle technology. Generally, the higher the gasoline octane rating, the higher the octane number and the better the anti-knock performance. 92-octane gasoline contains 92% isooctane and 8% n-heptane, while 95-octane gasoline contains 95% isooctane and 5% n-heptane. If the Xingyue L occasionally uses the wrong gasoline grade, simply switch back to the correct grade after consumption. However, prolonged use of the wrong gasoline grade may have the following effects: For vehicles recommended to use lower-octane gasoline, using a higher-octane grade will not cause damage, but the increased octane number may alter the fuel's ignition point, leading to delayed combustion in the engine. This reduces the engine's power output and thermal efficiency, resulting in poorer performance. For vehicles recommended to use higher-octane gasoline, using a lower-octane grade may cause engine knocking. The significantly lower octane number reduces the fuel's ignition point, causing premature ignition during the compression stroke. If combustion occurs before the spark plug ignites, resistance will arise during the upward stroke, making the engine run very unevenly. Mild knocking only increases noise without significant engine damage, but noticeable knocking indicates severe engine conditions, affecting driving stability and causing abnormal wear on pistons and cylinders, potentially leading to cylinder scoring in severe cases.

16

2

Share

How Many Years Can Aluminum Alloy Valve Stems Be Used?

What is the validity period of a vehicle fire extinguisher?

Can the Input Tax on Purchasing a Car for Personal Use Be Deducted?

How many meters should a warning sign be placed when a motor vehicle breaks down on the road?

How Long Should You Warm Up Your Car?

How to Repair Small Dents on a Car?

Why does the Xingyue L require 95-octane gasoline?

How to Drive a Manual Transmission Car in Traffic Jams?

What are the reasons for the failure of the cab window lift?

What is the actual fuel consumption of the Buick Park Avenue 2.8?

Is Warm-Up Necessary in Summer?