How soon can I reschedule the Subject 2 retest?

Which is better, external or internal tire pressure monitoring?

Whether external or internal tire pressure monitors for cars are better depends on individual needs. The pros and cons of external and internal tire pressure monitors are as follows: 1. Pros and cons of internal tire pressure monitors: The advantages are stable accuracy, easy maintenance, and less prone to theft; the disadvantages are slightly higher price, requiring professional installation, and the need for wheel balancing. 2. Pros and cons of external tire pressure monitors: The advantages are relatively simple installation, easy maintenance, and more affordable prices; the disadvantages are susceptibility to theft and damage, slightly poorer stability, and slightly lower accuracy. 3. It is recommended to choose internal tire pressure monitors because although buying cheap external tire pressure monitors or indirect tire pressure monitoring systems is simple, they are more prone to theft and damage.

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Is it mandatory to service a car every 5,000 kilometers?

Servicing a car every 5,000 kilometers is not mandatory. More information about car maintenance is as follows: 1. The frequency of car maintenance varies depending on the brand, model, and type of engine oil used, and is not fixed. 2. Car maintenance refers to preventive work that involves inspecting, cleaning, supplying, lubricating, adjusting, or replacing certain parts of the car, also known as car servicing. 3. The first maintenance is usually performed free of charge at a 4S dealership, including tasks such as changing the engine oil and replacing the oil filter. Regular maintenance helps maintain the optimal working condition of various car components.

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Can Plug-in Hybrid Vehicles Get New Energy License Plates?

In the next one to two years, plug-in hybrid vehicles can still obtain green license plates. Here are the detailed explanations: 1. At the end of 2018, the National Development and Reform Commission issued a "Regulation on Investment in the Automotive Industry," which mentioned that future plug-in hybrid investment projects would be approved and filed according to the requirements for fuel vehicle projects. However, no regulations were made for plug-in hybrid projects that had already been approved and put into production. 2. In the future, plug-in hybrid vehicles will also need to meet the requirements for fuel vehicle projects. This means that when this measure is fully implemented, plug-in hybrid models will no longer be eligible for green license plates. 3. It is well known that green license plate vehicles enjoy preferential treatment such as no traffic restrictions in many large cities, which has become a major reason for people to actively purchase new energy vehicles. Pure electric vehicles with green license plates can enjoy the privilege of no traffic restrictions in all restricted areas nationwide, while plug-in hybrid vehicles with green license plates can enjoy this privilege in restricted areas outside of Beijing, such as Guangzhou, Shenzhen, Shanghai, and other regions. 4. Overall, although the current market situation for new energy vehicles appears prosperous, and many people are purchasing them, these are merely superficial illusions under the influence of policies. The product strength of new energy vehicles still lags far behind that of traditional fuel vehicles.

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What is the function of the vehicle stability system?

The functions of the vehicle stability system: 1. It can improve the stability performance of the vehicle. 2. It monitors the driving state of the vehicle through sensors and maintains the dynamic balance of the vehicle by coordinating with the braking system. 3. Specifically, when the vehicle skids, the movement direction and speed are not controlled by the driver. The vehicle stability system will intervene with the wheels to help the driver regain control of the vehicle, preventing side slipping or rollover. Here is some extended knowledge: 1. The vehicle stability system is generally enabled by default and does not require manual operation. 2. When the vehicle stability system is active, the indicator light is usually off. When the system is turned off, the indicator light will illuminate. 3. When the indicator light is on, it is usually due to the driver accidentally turning off the system. Simply press the button again to reactivate it. 4. If pressing the vehicle stability system button and restarting the system does not turn off the indicator light, try restarting the engine. After restarting, the vehicle's systems will perform a self-check, and the stability system will usually return to normal. If the indicator light remains on after restarting the engine, it indicates a malfunction in the system, and the vehicle should be taken to a 4S shop for inspection and repair.

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How to Drive Through an S-Curve Using Rearview Mirrors?

The method for navigating an S-curve using rearview mirrors is as follows: 1. When entering the curve, gently press the clutch to control speed and slowly approach the S-curve entrance. When the left front edge of the car aligns with the right line of the S-curve, quickly turn the steering wheel one full rotation to the left. After turning left, observe the left rearview mirror to monitor the distance between the car body and the left line. Make minor steering adjustments to maintain a distance of approximately 30cm. 2. Pay attention to the relationship between the left and right rearview mirrors and the left front edge of the car with the lane lines. When the left front edge aligns with the lane line, maintain the steering wheel position and proceed slowly. 3. Return the steering wheel slowly without excessive movement to avoid crossing the line. 4. At the curve junction, straighten the direction and proceed straight. Then, observe the small mirror at the right front corner of the car to ensure the body maintains about 30cm from the right line. 5. When the car exits the first segment of the curve and is about to enter the second segment, watch the left front ridge of the car. When it aligns with the left lane line, quickly straighten the steering wheel. After pausing for a few seconds, when the right front edge of the car aligns with the left lane line, turn the steering wheel one full rotation to the right. The car will slowly turn right. During this time, carefully monitor both rearview mirrors, especially the distance between the car body and the right lane line in the right rearview mirror.

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How to Adjust the Valves of a Four-Cylinder Engine?

To adjust the valves of a four-cylinder engine, first rotate the first cylinder to the compression top dead center (there is a scale on the crankshaft pulley or a mark on the crankshaft flywheel) and align it with the 0 mark or the pointer in the timing gear chamber. Adjust the intake and exhaust valves of the first cylinder, the intake valve of the second cylinder, and the exhaust valve of the third cylinder. Then rotate the engine 360 degrees and adjust the exhaust valve of the second cylinder, the intake valve of the third cylinder, and the intake and exhaust valves of the fourth cylinder. Below are some important considerations: 1. When the engine is running, the valves operate at high temperatures, causing thermal expansion and elongation of the valve components. Therefore, a certain valve clearance must be reserved when the valves are cold to ensure that the valves and valve seats remain tightly sealed even when the valves expand due to heat. Over time, the original valve clearance may change. Thus, if you hear a "clicking" noise from the valves, you should check and adjust the valve clearance. 2. When adjusting the valve clearance, it is essential to follow the manufacturer's specified values and ensure the valves are fully closed during the adjustment. The adjustment locations for valve clearance are: on the tappet for side-valve engines and on the rocker arm for overhead-valve engines. Common valve adjustment methods include: single-cylinder adjustment, two-step adjustment, and expression method. However, due to the wide variety of engines and the different sequences of intake and exhaust valves, these methods can be cumbersome and hard to remember. Moreover, if the engine's firing order (or injection order) is unknown, the adjustment process becomes even more complicated.

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How soon can I reschedule the Subject 2 retest?

Which is better, external or internal tire pressure monitoring?

Is it mandatory to service a car every 5,000 kilometers?

Can Plug-in Hybrid Vehicles Get New Energy License Plates?

What is the function of the vehicle stability system?

How to Drive Through an S-Curve Using Rearview Mirrors?

How to Adjust the Valves of a Four-Cylinder Engine?

How to Perform a Burnout Start?

What is the meaning of A-segment, B-segment, and C-segment cars?

Why Can't the Electric Car Start?

How to Clear a Car's Malfunction Indicator Light?