What are the driving techniques for straight-line driving in the driving test?

What is the letter designation for fully synthetic engine oil?

Fully synthetic engine oil does not have a specific letter designation. If it is fully synthetic, the bottle will be clearly labeled with the words "Fully Synthetic." If it only says "Synthetic," "Premium Synthetic," or similar, it is definitely semi-synthetic. If it is labeled as "Premium Oil" or "XXX Special Premium," it is certainly mineral oil. Here is some related information about engine oil: 1. Introduction: Engine oil, also known as engine lubricant (English name: Engine-oil), has a density of approximately 0.91×10³ (kg/m³). It serves to lubricate and reduce friction, assist in cooling, seal and prevent leaks, prevent rust and corrosion, and provide shock absorption for the engine. It is often referred to as the "blood" of a car. 2. Composition: Engine oil consists of two main components: base oil and additives. The base oil is the primary component of the lubricant, determining its basic properties, while additives compensate for and enhance the shortcomings of the base oil, providing additional performance characteristics. Additives are an essential part of engine oil.

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How to Check Tire Pressure Display on the 2021 RAV4?

Toyota RAV4's tire pressure monitoring is not an active monitoring function. The dashboard will only automatically display information when there is an abnormality in the tires. The display does not show specific values but only indicates which tire has a problem. The new models of the Toyota RAV4 are more intelligent, changing the previous cumbersome mechanical method of resetting the tire pressure light. Simply refill the tire pressure and drive a certain distance, and the warning light will automatically disappear. Additional information is as follows: 1. Exterior: Although the RAV4 has off-road capabilities, it is designed with practicality in mind, so its body shape does not appear as rugged as traditional off-road vehicles. Its exterior combines the streamlined design of a van with the versatile sporty look of an SUV, making it a perfect example of form following function. 2. Vehicle Positioning: The RAV4 is positioned as a city SUV. As a leader in the city SUV segment, the RAV4 offers high quality and performance while ensuring driving comfort and excellent off-road capability. It can easily handle both ON-ROAD and OFF-ROAD conditions, meeting the needs of diverse lifestyles.

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What is the function of adding urea to trucks?

Trucks add urea, which reacts with nitrogen oxides emitted by diesel engines. It converts nitrogen oxides into nitrogen and water, both of which are harmless to the atmosphere and human health. Urea is used specifically for diesel engines because they emit nitrogen oxides, a polluting gas, during operation. To reduce the harm of these gases to the atmosphere and humans, urea is employed. Additional information is as follows: 1. Household cars: Most household cars today are equipped with gasoline engines, which use a three-way catalyst to address exhaust issues. The three-way catalyst is a precious metal that converts exhaust gases from gasoline engines into nitrogen, so most household cars do not require urea. 2. Regular urea replenishment: Regardless of the engine type, there is a specialized device, similar to a container, that holds either urea or a three-way catalyst. For diesel engines, as the vehicle operates, it continuously emits nitrogen oxides while consuming urea, so urea needs to be replenished regularly. 3. Consequences of not adding urea: The power and fuel consumption of diesel vehicles are affected by urea. If a diesel vehicle does not have this exhaust treatment device or uses inferior products, it can cause the engine to automatically reduce speed and negatively impact the catalyst in the SCR catalytic reaction tank. Damage to the exhaust treatment device can be troublesome to repair, not only affecting the environment but also incurring high repair costs.

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Can Vehicle Inspection Be Conducted in Another Location?

Except for large passenger buses and school buses, which cannot be inspected in another location, all other vehicles can undergo inspection in a different location. Starting from September 1, 2018, cross-province inspection for small cars, trucks, and medium-sized buses has been fully implemented. Applicants can directly inspect their vehicles in provinces other than where the vehicle is registered and obtain the inspection qualification mark without needing to go through the entrustment inspection procedure. Vehicles that fail to undergo annual inspection on time are not allowed on the road. Driving a vehicle without timely annual inspection will result in 3 penalty points and a fine. If an accident occurs involving a vehicle that has not undergone annual inspection, the party involved will bear full or primary responsibility, and the insurance company will not compensate. Driving without timely annual inspection is considered illegal driving and may result in vehicle impoundment. According to the 'Mandatory Scrapping Standards for Motor Vehicles,' if a vehicle fails to obtain the inspection qualification mark for three consecutive inspection cycles after the expiration of the inspection period, it will be forcibly scrapped. Annual inspection procedures: First, after submitting the inspection application, the vehicle undergoes an online inspection. The vehicle is driven into the automatic inspection area to sequentially check whether the exhaust emissions, speed, lights, side slip, and chassis meet the standards. Only if all items pass can the vehicle proceed. Next is the appearance inspection, verifying the correctness of the vehicle's license plate, type, body color, engine number, VIN code, and frame number. Then, the vehicle body appearance is inspected, including details such as the bumper, engine compartment, rearview mirrors, lower mirrors, window glass, paint, engine operation condition, and the interior and wheels of passenger vehicles. Finally, the owner can obtain the inspection report and application form from the inspector. If all inspection items pass, the owner can proceed to pay the inspection fee and collect the vehicle license and qualification label. If any items fail, the owner must repair the vehicle and undergo re-inspection until all items pass before proceeding with the visa procedures.

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Will points be deducted for the car body sweeping the line in an S-curve?

Sweeping the line with the car body in an S-curve does not result in point deduction. Below are the precautions and techniques for entering a curve when driving: Precautions for turning a car: Do not make sharp turns when the engine is near the turning point. When the bumper aligns with the protrusion, quickly turn the steering wheel to the left or right to the limit position. Do not press the accelerator pedal. Observe whether you can pass ahead. If you are unsure or uncertain about the angle at the corner, you can stop and check in advance. Always pay attention to the movement of the body and changes in the steering wheel position. Techniques for entering an S-curve: When the vehicle approaches the entrance of the curve, it should be placed in the middle of the road. When entering the curve, the vehicle should stay as close as possible to the straight line on the right side. When the gap on the left side of the car's hood aligns with the right yellow line, steer to the left. When making the first right turn in the curve, steer to the right. Before entering the S-curve, do not look at the arrows on the ground. Position the entire car body in the middle of the S-curve, then proceed straight in.

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What is the tire pressure range for the Cadillac CT5?

The normal tire pressure range for the Cadillac CT5 is 2.4-2.5 bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2 bar in winter and reduced by 0.1 bar in summer. This data is based on the international GBT2978-2008 standard. To check the current tire pressure of the Cadillac CT5 during daily driving, you can activate the tire pressure monitoring system, and the tire pressure values will be displayed on the central LCD screen of the instrument panel. The specific method is to use the selection buttons on the steering wheel to find the "Tire Pressure" option on the instrument display screen, where you can view the specific tire pressure values. Generally, a tire pressure exceeding 2.8 bar is considered too high, while a tire pressure below 2.0 bar is considered too low. Hazards of overinflated tires: Reduced tire friction and adhesion, affecting braking performance; causing steering wheel vibration and deviation, reducing driving comfort; accelerating wear on the central tread pattern of the tire, shortening tire lifespan; increased body vibration, indirectly affecting the lifespan of other components; excessive stretching deformation of tire cords, reducing tire elasticity, and increasing the load on the vehicle during driving. Hazards of underinflated tires: Increased friction coefficient with the road surface, leading to higher fuel consumption; causing heavy steering and deviation, posing safety risks; increased movement of tire parts, leading to abnormal heat generation due to excessive rolling; reduced functionality of cords and rubber, causing delamination or cord breakage and excessive friction with the rim, damaging the tire bead area and causing abnormal wear; multiplied friction between the tire and the ground, sharply increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may lead to tire blowouts. If the tire pressure monitoring indicator light comes on (a yellow symbol with an irregular circle, no seal on top, four small spikes at the bottom, and an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure: Usually, an alarm is triggered when the pressure is below 1.8 bar or above 3.0 bar. In this case, tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset in time, the system will still record the previous data, causing the tire pressure monitoring indicator light to come on. Simply perform a tire pressure reset to resolve this. Damaged tire pressure sensor: The tire pressure sensor, which monitors tire pressure, is directly installed inside the tire and connected to the tire inflation valve. If the sensor is damaged due to impact while driving, it will also cause the tire pressure warning light to come on. For sensor damage, the only solution is to replace it with a new component.

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What are the driving techniques for straight-line driving in the driving test?

What is the letter designation for fully synthetic engine oil?

How to Check Tire Pressure Display on the 2021 RAV4?

What is the function of adding urea to trucks?

Can Vehicle Inspection Be Conducted in Another Location?

Will points be deducted for the car body sweeping the line in an S-curve?

What is the tire pressure range for the Cadillac CT5?

Why does the domestic Model 3 only show 380 when fully charged?

How to Operate an Automatic Transmission Car When Waiting at a Red Light?

What are the effects of an empty radiator and a burnt smell from the engine on a car?

Where to Check the Vehicle Identification Number?