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Can You Turn on the Air Conditioning During the Subject 2 Driving Test?

1 Answers
LeKinsley
09/08/25 5:40am
Yes, but it is not recommended to turn on the air conditioning. Here are some additional details: Reason: Although it is allowed to use the air conditioning during the Subject 2 driving test, the specially calibrated test vehicles may stall more easily during the hill start if the clutch is not handled properly with the AC on. In the Subject 2 test, there is no throttle control, and using the air conditioning consumes engine power. Impact: It may affect performance during uphill sections and could lead to stalling. While there is no rule against using the air conditioning, it is advisable to keep it off, as there is no step in the procedure that requires it. Some candidates ignore the air conditioning even if it is present and still pass the test.
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How Often Should Hybrid Transmission Fluid Be Changed?

Under normal circumstances, the automatic transmission fluid (ATF) in a car's automatic transmission should be changed every two years or every 40,000 kilometers. Here are some specific details about transmission fluid: 1. Function: It ensures smoother gear shifting, cleans and lubricates the gear system, extends the lifespan of the transmission components, guarantees proper transmission operation, and can also help reduce fuel consumption to some extent. New transmission fluid contains fewer metal impurities, reducing transmission wear and thereby extending the overall lifespan of the transmission while preventing minor issues. 2. Types: The main types currently in use include DEXRON, DEXRON-II, and DEXRON-III (produced by General Motors), as well as ATF-F type fluid (produced by Ford).
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What causes the car to shake when starting in first gear in the morning?

Here are the reasons and solutions for the car shaking when starting in first gear: 1. Pressure plate wear: When the pressure plate wears to a certain extent, the power combination will not be smooth, the car will shake, and the engine speed will become unstable. Solution: Go to a repair shop or 4S store and have the maintenance technicians replace the clutch pressure plate to solve the problem. 2. Clutch failure: During the engagement process, the clutch disc cannot engage smoothly, but engages a little and then releases a little, causing the engine power to start transmitting and then suddenly slip, resulting in shaking. Solution: Check and repair the clutch.
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What is the HOWO Exhaust Brake Switch?

HOWO Exhaust Brake Switch The symbol for the HOWO exhaust brake switch is a valve in the middle of a pipeline, located to the left of the clutch pedal. Additional Information: 1. HOWO: HOWO is China's most advanced and premium new-generation heavy-duty truck developed by Sinotruk Group in 2004. It incorporates key global heavy truck technologies, targets both domestic and international markets, and aligns with international technical standards while possessing independent brand and intellectual property rights. 2. Exhaust Brake: Exhaust brakes are widely used in large diesel vehicles. A regulating valve is installed on the engine exhaust pipe. Closing this valve increases the pressure during the exhaust stroke, utilizing the generated negative pressure to obtain braking force. The regulating valve is generally driven by a control mechanism using compressed air or vacuum, often sharing the same power source as the main brake. The exhaust brake is typically activated by a manual switch. To prevent engine stalling when stopping and to avoid exhaust brake operation during fuel injection, the exhaust brake automatically disengages when the accelerator or clutch pedal is pressed.
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What is the name of the Volkswagen in-car voice assistant?

Volkswagen's voice assistant is called the Voice Control System button. The wake-up phrase for Volkswagen's in-car voice assistant is set by the owner when purchasing the car. Volkswagen is an automobile manufacturing company headquartered in Wolfsburg, Germany, founded by Ferdinand Porsche. The company owns brands such as Audi and Volkswagen. Below is relevant information: In-car voice assistant: The most prominent feature of the in-car scenario is that the user's attention is occupied, making screen operations inconvenient. In this context, the in-car voice assistant becomes particularly important. Voice navigation, voice control, in-car infotainment systems, and other in-car interactive systems free the driver's hands while providing a convenient and enjoyable driving experience. The method to wake up Volkswagen's in-car voice assistant is: The multimedia system used in the car has a wake-up phrase, which can be used while driving to activate the voice assistant. Once activated, the voice assistant can be used to operate various functions in the car. After waking up the voice assistant, simply give it commands.
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What does it mean when the Great Wall ss light is on?

Great Wall ss light on indicates that the vehicle's auto start-stop function is activated. Here is some relevant information about the auto start-stop system: 1. Definition of auto start-stop: A system that can automatically control engine shutdown and ignition, known as STOP&START in English, abbreviated as STT. 2. Function of auto start-stop: Vehicles equipped with the engine auto start-stop technology will automatically shut down the engine when temporarily stopping during driving. When it's time to move forward again, the system will automatically restart the engine. 3. Advantages of auto start-stop: Whether waiting at a red light or stuck in traffic, the engine auto start-stop technology can automatically turn off the engine when the vehicle is stopped, saving fuel consumption for the car.
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Does idling for 12 hours damage the car?

Idling for 12 hours does damage the car. Here are some extended details: 1. Definition of idling: Idling refers to the operation of the engine without any load, where it only needs to overcome the internal friction of its components and does not output any power. The minimum speed required to maintain stable engine operation is called the idle speed, which is one of the five basic operating conditions of an engine. A well-functioning engine typically has an idle speed between 550 to 800 RPM. 2. Hazards of prolonged idling: Prolonged idling can cause the engine temperature to drop too low, leading to incomplete fuel combustion, which can easily produce carbon deposits that clog the fuel injectors. Severe carbon buildup can cause the piston rings to seize or even break. Additionally, prolonged idling results in poor fuel atomization, and unburned atomized diesel can condense and wash down the cylinder walls, entering the lubricating oil and diluting it. This deterioration of the lubricating oil leads to insufficient lubrication of the engine's moving parts, accelerating engine wear.
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