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How to Turn on the Air Conditioning and Heater in a Car?

2 Answers
Moreira
07/24/25 11:57pm
The methods to turn on the air conditioning and heater in a car are: 1. Start the vehicle; 2. Turn on the external air circulation to filter the air inside the car; 3. Adjust the temperature control knob to the red zone. The functions of the air conditioning system include: 1. Achieving a cooling effect through the continuous transformation and circulation of refrigerant; 2. Drawing in fresh external air for ventilation and air exchange to prevent window fogging; 3. Utilizing engine coolant, waste heat, or heat generated by a burner as a heat source for warming, which is then heated by the heater and blown into the car by the blower to raise the temperature for heating; 4. Removing dust, odors, smoke, and toxic gases from the car's interior air to freshen it, and humidifying the interior air to increase its relative humidity.
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EmmettDella
08/10/25 3:34pm
Using air conditioning and heating while driving is actually not difficult, especially for someone like me who frequently takes long-distance trips. After starting the vehicle, if it's summer and you want to cool down, press the A/C button on the center console to activate the air conditioning compressor. Then turn the temperature knob to the blue low-temperature zone, while adjusting the fan speed knob to increase airflow. Selecting the face or upper body vents makes it more comfortable. In winter when using the heater, wait until the engine warms up and the coolant temperature gauge rises before operating. First, turn off the A/C button since the heater doesn’t require the compressor to work. Turn the temperature knob to the red high-temperature zone, increase the fan speed, and choose the foot vents to avoid direct airflow that could cause fogging. Remember not to turn on the heater immediately after starting the car—cold engines are inefficient. When using air conditioning, avoid setting it too cold to prevent catching a cold. Regularly cleaning the air filter ensures smooth system operation, delivering faster airflow and better fuel efficiency.
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How Many Times Can You Take the Driving Test?

Currently, there is no limit on the number of attempts for the written tests (Subject 1 and Subject 4) for obtaining a driver's license, and you can take the test twice on the same day. For the practical tests (Subject 2 and Subject 3), you have five attempts each. If you fail to pass within these five attempts, you will need to retake Subject 1. The C1 driver's license test includes four subjects: traffic regulations and related knowledge, field driving, road driving, and safe and civilized driving knowledge. Passing standards: Traffic regulations and related knowledge (Subject 1) – Written test, scored out of 100, with a passing score of 90 or above. Field driving (Subject 2) – On-site, actual vehicle. The minimum passing score is 80; scores below 80 are considered failing. Road driving (Subject 3) – On highways or simulated sites, actual vehicle. Scored out of 100, with a passing score of 90 or above. Safe and civilized driving knowledge – Written test, featuring questions in the form of case studies, images, animations, etc. The test includes true/false, single-choice, and multiple-choice questions, totaling 50 questions. Scored out of 100, with a passing score of 90. The C1 driver's license permits driving small and mini passenger vehicles, as well as light and mini cargo vehicles; light, small, and mini special-purpose vehicles; and small passenger vehicles with seating capacity of 9 or fewer. The C1 license does not permit driving: large buses, tractors, city buses, medium-sized buses, large trucks, regular three-wheeled motorcycles, regular two-wheeled motorcycles, mopeds, wheeled self-propelled machinery, trolleybuses, or trams. Additionally, the C1 license does not allow driving vehicles with more than 9 seats or trucks with a total length exceeding 6 meters.
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After picking up the car, you need to purchase car insurance, pay the purchase tax, and get the license plate. Here are some important things to note when picking up the car: 1. Inspect the car condition: Park the vehicle in an outdoor area with sufficient light to check the body paint for scratches, wear, uniformity, and transparency under sunlight reflection. Open the door—the car's nameplate is usually located near the driver's side door or B-pillar—and verify the information on it. Open the engine compartment to ensure it is clean, free of dirt or dust, and check if the engine oil and other fluids are at adequate levels. Test the doors to see if they open and close smoothly, check if the windows roll up and down properly, inspect for strong odors inside the cabin, verify if the air conditioning cools, test the windshield wipers, and ensure all lights function correctly. 2. Test drive: Start the engine and observe if it idles smoothly, if there are noticeable noises inside the cabin, and if the steering wheel vibrates significantly. 3. Check documents: Ensure all relevant vehicle documents are complete, including the purchase invoice, certificate of conformity, vehicle conformity certificate, vehicle registration certificate, warranty certificate, owner's manual, and new vehicle delivery confirmation form.
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Why is the fuel consumption of the Buick Excelle XT 16T considered unbearable?

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