What does the A/C in car air conditioning mean?

1 Answers
McAustin
07/29/25 12:03pm
A/C is the abbreviation for air conditioning, with its full name being air-condition, which can be understood as air control or air regulation. It achieves cooling or heating purposes through different operation modes of the air conditioning compressor, thus having dual meanings of both cooling and heating. However, in cars, since the heating function of the car air conditioning is accomplished through the heat from the engine coolant and the heating wires for the windshield, A/C only refers to the cooling function. Below are related introductions: 1. Cooling requires turning on AC: To use the car air conditioning for cooling, the A/C switch must be turned on; otherwise, only the blower is working, and the air coming out of the vents is just at normal temperature. The A/C switch in the car is the air regulation switch, essentially the compressor's switch, controlling the operation of the car air conditioning cooling system by turning it on or off. 2. Steps for cooling: First, press the A/C switch, and the A/C light will turn on, indicating that the air conditioning cooling system has started working. Then, press the internal circulation button to cut off the exchange of air between the cabin and the outside. Finally, rotate the temperature control knob to adjust the desired interior temperature. 3. Methods to improve cooling efficiency: Utilize the principle of air convection—hot air rises while cold air sinks. By directing the air conditioning vents slightly upwards, the process of cold air descending can rapidly cool the car's interior, following the natural movement of hot and cold air. Additionally, avoid placing decorations in front of the air conditioning vents, as this can affect the cooling efficiency.
Was this review help?
9
2
Share
More Forum Discussions

How to turn on the air conditioning in GAC Trumpchi GS8?

To turn on the air conditioning in GAC Trumpchi GS8, follow these steps: 1. Press the AUTO button on the air conditioning control panel. In this mode, the system automatically adjusts the rear zone temperature, blower speed, and air distribution. 2. The OFF button is used to turn off the air conditioning system. 3. The AC cooling switch is used to turn on or off the air conditioning cooling function. Press the AC switch to activate the air conditioning cooling. The GAC Trumpchi GS8 is a large seven-seat premium SUV with dimensions of 4810mm in length, 1910mm in width, and 1770mm in height. It is equipped with a 2.0T engine delivering a maximum power of 148kW and a peak torque of 320Nm, paired with an Aisin 6-speed automatic transmission.
9
3
Share

What to Do When Car Light Covers Turn Yellow?

To address yellowing car light covers, you can regularly clean the surface of the headlight assembly, wash with alkaline water, polish with beauty wax, and avoid parking the car in direct sunlight when not in use, opting for shaded areas instead. Here are specific solutions: Regularly clean the surface of the headlight assembly: While driving, the car body inevitably accumulates dirt, and the headlights are no exception. Therefore, it's essential to periodically wipe the headlight surface with a soft cloth to prevent dirt from adhering more firmly over time, making it harder to clean. Wash with alkaline water: Alkaline water, such as soapy water, can be used every three months for cleaning. After washing, apply a polishing agent to the headlights and then use wax for maintenance. Polish with beauty wax: Use specialized beauty wax to polish yellowed headlight covers. This method can effectively remove slight yellowing and surface imperfections. Avoid parking the car in direct sunlight when not in use, and opt for shaded areas: The primary cause of yellowing on car headlight surfaces is prolonged exposure to sunlight. Therefore, avoiding direct sunlight is the simplest way to prevent headlight yellowing.
5
5
Share

Under What Circumstances Does a Car Battery Need to Be Replaced?

Circumstances under which a car battery needs to be replaced: 1. The car is harder to start than usual, which may be a sign that the battery is about to fail; 2. The headlights dim when idling, because the engine's charging power decreases at idle, and a deteriorating battery also needs to power the car's electrical equipment, leading to a significant drop in the power allocated to the headlights; 3. The battery fault warning light comes on, requiring a check and possible replacement at a 4S shop or repair shop; 4. Unusual noises during startup: due to the weakened discharge capacity of the battery, the starter operates poorly and may produce a squeaking sound; 5. Changes in the inspection window: many maintenance-free batteries have an inspection window with a light indicating the battery's condition—green means good, black means the battery needs replacement; 6. Bulging or leakage of the battery, which should be replaced immediately.
17
5
Share

What license plate is issued for hybrid electric vehicles?

Hybrid electric vehicles are issued new energy vehicle license plates. The new energy vehicle license plates implement segmented management based on different vehicle types, with the letter "D" representing pure electric vehicles and the letter "F" representing non-pure electric vehicles (including plug-in hybrids and fuel cell vehicles, etc.). For example, models such as the Corolla, Camry Hybrid, and Accord Hybrid cannot obtain green license plates. These are hybrid models, which are only considered energy-saving vehicles in China and do not qualify as new energy vehicles. Therefore, they cannot benefit from new energy policies during the licensing process and are required to use blue license plates, the same as those used for conventional fuel vehicles.
13
5
Share

Press the Clutch or Brake First?

Press the clutch or brake first can be divided into two situations: 1. For slight deceleration of the car, you can directly press the brake; 2. For significant deceleration or stopping the car, you need to press the clutch first and then the brake. Methods for coordinating the clutch and brake: 1. When going down a long or steep slope, do not press the clutch, use the engine's traction for braking; 2. When intending to stop, first press the brake to reduce the speed and then press the clutch; 3. When approaching a curve, press the brake first to slow down. After the curve, if there are no obstacles, do not press the clutch, release the brake and press the accelerator to speed up. If there is an obstacle right after the curve, press the clutch and shift to a lower gear; 4. In heavy traffic with frequent stops and short following distances, press both the clutch and brake simultaneously each time you brake.
17
1
Share

How to Handle Traffic Violations in Another City?

Methods for handling traffic violations in another city: 1. You can go to the local traffic police detachment to handle the violation, bring the vehicle license to check the vehicle violation, and issue a ticket; 2. You can entrust a violation handling agency to handle it on your behalf, but make sure to sign a relevant agreement with the agency beforehand to avoid unnecessary disputes afterwards; 3. Go to the postal service office that handles out-of-city traffic violation payments to process the payment, but if there are points to be deducted, the postal payment service cannot be used. Methods for checking violations: 1. Take the vehicle license to the local vehicle management office and find the service window to check the vehicle's violations; 2. Call the traffic management department to inquire about the vehicle's violation status.
7
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.