How to switch from high beam to high-low beam alternation in Subject 3?

Can You Continue Driving When the Car's Water Temperature is Too High?

You cannot continue driving when the car's water temperature is too high. If you encounter a high water temperature or warning light, you can first perform a simple check and assessment yourself: 1. Immediately pull over to the side of the road, turn on your hazard lights, and place a warning triangle to alert oncoming traffic to avoid you (especially on highways). 2. Do not turn off the engine immediately. Instead, turn the heater to its maximum setting, as this can help dissipate the engine's heat. The coolant pump is driven by the engine, so turning off the engine will stop the pump, preventing the coolant from circulating and making it harder for the engine to cool down. Continue monitoring the temperature gauge, and if the temperature does not drop, then turn off the engine. 3. Open the hood and check around the engine and radiator for any leaks. If there are leaks, you should not continue driving. Also, check if the coolant level in the auxiliary tank is too low. If it is, you can add distilled water or purified water (tap water is also acceptable). If the water temperature returns to normal after adding water, you can continue driving.

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What Causes White Smoke from Car Exhaust in Winter?

There are two main reasons for white smoke from car exhaust: 1. Damaged cylinder head gasket: A damaged cylinder head gasket allows coolant to enter the combustion chamber. The coolant turns into steam when heated, causing white smoke from the exhaust pipe. In this case, the gasket needs to be replaced. 2. Low engine temperature: A cold engine causes water droplets to form on the walls of the combustion chamber and intake pipe, which burn together with the air-fuel mixture, resulting in white exhaust smoke. This issue can be resolved by simply increasing the car's temperature. The main pollutants in car exhaust include carbon monoxide, nitrogen oxides, hydrocarbons, lead, sulfides, etc. Under normal conditions, white smoke should not appear.

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How Often Should Car Brake Pads Be Replaced?

Here are the recommended times for replacing brake pads: 1. When the thickness of the brake pads wears down to less than 3mm, they should be replaced. The thickness of new brake pads is approximately 1cm, and when the wear reaches 3mm, replacement is necessary. 2. Some brake pads come with a groove, and when the wear reaches this groove, replacement is required. 3. Under normal circumstances, they should be checked every 5,000 kilometers, meaning they should be inspected during regular car maintenance. 4. If you hear a metal-on-metal grinding sound from the wheels, this indicates that the brake pads are completely worn out and must be replaced immediately. 5. Modern vehicles are equipped with warning systems; when the wear reaches a certain level, the dashboard will automatically alert you to replace the brake pads.

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What is the Structure and Principle of the Water Heating System?

Water heating systems mainly consist of a blower and a heater core. The principle is as follows: 1. When the heater is turned on, the high-temperature coolant from the car engine enters the heater core. At the same time, the air blown by the blower also enters the heater core, allowing warm air to be blown out through the air conditioning vents. The heater core essentially acts as a heat exchanger. 2. When using the heating function, it is crucial to follow the correct method. Incorrect usage can lead to increased fuel consumption. 3. After starting the engine in winter, do not turn on the heater immediately. Wait for 10 to 15 minutes of normal driving before activating the heater. Right after starting, the engine temperature is relatively low, and turning on the heater too soon can slow down the engine's warming process, increasing fuel consumption. 4. After a cold start in winter, the idle speed is higher than usual. This is because the engine temperature is too low, prompting the ECU to command the fuel injection system to inject more fuel, thereby speeding up the engine's warming process.

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What are the remedies for stalling on the slope in Subject 2?

The remedies for stalling on the slope in Subject 2 are: 1. Act a bit faster, quickly pull the handbrake and step on the brake, shift to neutral and restart the engine. Don't panic, just safely start the car for the second time. 2. If the vehicle stalls directly, there is no remedy. However, if you feel the vehicle lacks power and is about to stall during the slope start, you can immediately step on the clutch and brake, rock the vehicle slightly and start again, while ensuring the time does not exceed 30 seconds. There are two methods to stop the vehicle: The first is to step on the brake and clutch, and don't forget to pull the handbrake during this process. The second is, when preparing to start, don't rush. Keep your foot on the brake without releasing it, and wait until the clutch is released to a certain extent before releasing the brake. Only when the body shakes significantly and you are sure it is safe to start, can you release the brake.

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How long can vehicle annual inspection be overdue?

There is no concept of 'maximum overdue period' for vehicle annual inspections. Whether exceeding the deadline by 1 month or 1 day, it constitutes a violation. According to Article 47, Paragraph 4 of the 'Motor Vehicle Registration Management Regulations': Vehicles that fail to undergo safety technical inspections within the prescribed period shall be issued a warning or fined up to 200 RMB by the public security traffic management department. Only after paying the fine can the annual inspection be conducted. The consequences of overdue annual inspection are as follows: 1. For vehicles not inspected on time, besides compromised driving safety, according to the 'Road Traffic Safety Law', drivers of overdue vehicles will be fined 200 RMB and receive 3 penalty points. 2. For all traffic accidents caused by vehicles that failed to participate in the annual inspection on time, the involved party shall bear full or primary responsibility, and the insurance company will not assume any liability. This is because the insurance policy specifies that coverage is denied to vehicles with expired inspections. 3. According to the 'Compulsory Scrapping Standards for Motor Vehicles', if a motor vehicle fails to obtain the inspection compliance mark for three consecutive inspection cycles after the expiration of the inspection validity period, it will be compulsorily scrapped.

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How to switch from high beam to high-low beam alternation in Subject 3?

Can You Continue Driving When the Car's Water Temperature is Too High?

What Causes White Smoke from Car Exhaust in Winter?

How Often Should Car Brake Pads Be Replaced?

What is the Structure and Principle of the Water Heating System?

What are the remedies for stalling on the slope in Subject 2?

How long can vehicle annual inspection be overdue?

Can You Shift to Neutral While Driving an Automatic Transmission Car?

Does Car Windshield Washer Fluid Need to Be Diluted with Water?

What are the symptoms of a faulty clutch slave cylinder?

What are the methods for detecting the paint surface of a used car?