Does a Used Tesla Still Have Lifetime Warranty After Transfer of Ownership?

What Are the Five Major Functions of Engine Oil?

Here are the five major functions of engine oil: Lubrication: There is rapid relative sliding between the piston and cylinder, as well as between the main shaft and bearing bush. To prevent excessive wear of parts, an oil film needs to be established between the two sliding surfaces. Auxiliary Cooling: Due to its relatively low specific heat value and its location inside the engine, engine oil itself does not have a cooling function. However, during engine operation, the heat energy generated by fuel combustion can be carried back to the oil tank by the engine oil and then dissipated into the air, assisting the radiator in cooling the engine. Cleaning: Engine oil can carry carbon deposits, sludge, and worn metal particles from engine parts back to the oil tank through circulation. The flow of lubricating oil helps to wash away contaminants generated on the working surfaces of the parts. Sealing and Leak Prevention: Engine oil can form a sealing ring between the piston rings and the piston, reducing gas leakage and preventing the entry of external pollutants. Rust and Corrosion Prevention: Lubricating oil can adhere to the surfaces of parts, preventing contact with water, air, acidic substances, and harmful gases.

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What is the shelf life of gear oil?

Unopened and brand-new gear oil generally has a shelf life of about three to five years. However, for opened or used gear oil, it is best to use it within six months to a year to avoid reactions with air that could lead to deterioration, which may affect the wear and tear of the transmission gears. Below are the functions of gear oil: Lubricating the transmission system: Reduces wear on gears and other moving parts, ensuring the normal operation of the transmission system and extending its service life. Reducing friction: Minimizes power loss, reduces gear surface impact and transmission noise, and prevents corrosion and rust. Cooling transmission components: During gear transmission, a significant amount of heat is generated due to gear surface contact friction. If not dissipated in time, it can cause localized high temperatures on the gear surface, leading to severe burning or adhesion. Gear oil continuously carries away heat during the circulation lubrication process, dissipating it through the air and the transmission housing, ensuring the proper operation of transmission components. Cleaning effect: Continuously washes away contaminants and solid particles accumulated on the gear surfaces.

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What are the types of auto insurance products?

Auto insurance products include Compulsory Traffic Accident Liability Insurance, Third-Party Liability Insurance, and Vehicle Damage Insurance, among others. Compulsory Traffic Accident Liability Insurance: This is a mandatory liability insurance where the insurance company compensates for bodily injury, death, or property damage caused to victims (excluding the vehicle's occupants and the insured) in road traffic accidents involving the insured vehicle, within the liability limits. Compulsory Traffic Accident Liability Insurance is China's first mandatory insurance system implemented under national law. Third-Party Liability Insurance: This refers to insurance where the insurer compensates for direct bodily injury, death, or property damage suffered by a third party due to an accident caused by a qualified driver permitted by the insured while using the insured vehicle. The compensation amount, which the insured is legally obligated to pay, is covered by the insurer according to the terms of the insurance contract. Vehicle Damage Insurance: This insurance covers the loss or damage to the insured vehicle caused by natural disasters (excluding earthquakes) or accidents within the scope of insurance liability. The insurer provides compensation based on the terms stipulated in the insurance contract.

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What is the recommended driving speed on icy roads?

When driving on snow or ice-covered roads, the maximum speed should not exceed 30 kilometers per hour. Here are the relevant details: Legal basis: According to the 'Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China', when encountering fog, rain, snow, dust, or hail with visibility less than 50 meters, the maximum speed for motor vehicles should not exceed 30 km/h, while tractors, electric vehicles, and wheeled special machinery vehicles should not exceed 15 km/h. Driving tips on icy roads: When driving on icy surfaces, maintain a straight path and avoid frequent lane changes. When overtaking is necessary, maintain sufficient safety distance from the vehicle being overtaken, and don't immediately return to the original lane after overtaking - wait until you've created enough distance from the following vehicle. If the road surface is inclined or arched, choose flat areas or drive in the middle of the road; if there are ruts, follow them; when the ruts are icy and shallow, drive along the ruts.

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How to Check the Specifications and Models of Goodyear Tires?

Goodyear tire specifications can be viewed on the sidewall of the tire. The specification name follows the marking method for radial passenger car tires, arranged in the order of tire width, aspect ratio, compatible rim diameter, load index, and speed rating. For example, 205/60R16 specifically means a nominal tire width of 205 millimeters, an aspect ratio of sixty percent, and a compatible rim diameter of 16 inches. Based on seasonal use, tires can be categorized into summer tires, winter tires, and all-season tires, with detailed descriptions as follows: Summer Tires: Summer tires are the most common type. Summer tires have relatively shallow tread patterns and deeper water drainage grooves, as summer is a season with abundant rainfall. Such tread design shortens braking distances on both dry and wet surfaces. The tire compound of summer tires makes the tread moderately soft, with low rolling resistance during normal driving, saving fuel. However, when temperatures drop below 7 degrees Celsius, the rubber of summer tires gradually hardens. The tire's grip and handling performance will also change accordingly. Driving with summer tires in winter reduces the tire's safety performance. Winter Tires: Winter tires are specifically designed for use in weather conditions with temperatures below 7 degrees Celsius. Generally, winter tires use special rubber compounds and unique tread designs to provide safer handling performance in winter driving. They not only improve braking performance and shorten braking distances but also feature tread designs that effectively expel snow accumulation, reducing skidding. Moreover, using winter tires below 7 degrees Celsius also has fuel-saving benefits. All-Season Tires: All-season tires are used throughout the year under normal seasonal conditions. However, the tread design and compound of all-season tires are more suited to ordinary driving conditions and climate situations, not particularly suitable for driving on smooth ice or snow-covered roads. It is a compromise solution; the braking performance of all-season tires in winter is higher than that of summer tires but cannot surpass that of winter tires. The advantage of all-season tires lies in their year-round usability, eliminating the need for seasonal tire changes. The downside is that these tires offer moderate performance in summer and unremarkable performance in winter.

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What Causes the Malfunction Indicator Light in a Mercedes-Benz?

Mercedes-Benz vehicles may display a malfunction indicator light due to abnormal engine oxygen sensors triggering an alarm, clogged fuel injectors, and carbon buildup on intake valves. Abnormal Engine Oxygen Sensor: The engine oxygen sensor is typically located near the intake manifold. Aggressive driving or collisions can cause the sensor to shift or become damaged, leading to sensor abnormalities and triggering the malfunction light. Clogged Fuel Injectors and Carbon Buildup on Intake Valves: Impurities in gasoline can accumulate at the fuel injectors, affecting fuel spray—especially in direct-injection engines—potentially causing the engine to stall. These impurities, when burned, produce carbon deposits. If these deposits accumulate excessively on the throttle valve, they can interfere with its normal operation, disrupting engine performance and activating the warning light.

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Does a Used Tesla Still Have Lifetime Warranty After Transfer of Ownership?

What Are the Five Major Functions of Engine Oil?

What is the shelf life of gear oil?

What are the types of auto insurance products?

What is the recommended driving speed on icy roads?

How to Check the Specifications and Models of Goodyear Tires?

What Causes the Malfunction Indicator Light in a Mercedes-Benz?

Is towing allowed on highways?

What is the difference between motorcycles with ABS and CBS?

What Causes the Jerking Sensation When Braking?

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