Turn off the air conditioner before turning off the car engine
You should turn off the car air conditioner before turning off the car engine because when starting the engine, the car will not have to "carry" the air conditioner, thereby reducing fuel consumption and battery power.
Naturally turning the air conditioner on or off does not affect the car's hardware much, because most models will automatically turn off the support systems to focus power on the engine when starting. So turn on the power switch, but details such as lights, radio will automatically turn off for a few seconds when the ignition starts and the air conditioning system is similar.
However, it is still recommended to turn off the air conditioner before stopping the car, you should turn off the air conditioner before the end of the trip for about 1-2 minutes to be good for the occupants of the car, helping the air in the car have heat. The temperature is closer to the outdoor temperature, so you don't get a thermal shock when opening the car door, and at the same time run the fan to dry the air vent, avoiding moisture accumulation that causes mold and odors.
Turn off the air conditioner before entering the flooded road
Next, we should turn off the air conditioner and lower the windows before driving through the flooded road, because the air conditioner always has a ventilation fan to get air from the outside first. However, if the flooded section is too high, the exhaust fan will turn into a pump to suck water into the engine, possibly even sucking in garbage, causing the engine to overload. Moreover, turning off the air conditioner also helps to reduce the burden on the car that is struggling against the water force of the flooded section.
Turn off the air conditioner when climbing uphill for old cars
Your car is too old, the engine is weak, you should turn off the air conditioner before climbing a high hill to reduce the load on the car, because running uphill will consume a lot of energy, especially note that the door should not be opened. glass when running uphill, because many high-slope areas with fog will easily cause water to pool when opening the door, leading to reduced driver visibility.
Turn off the air conditioner when the car is about to run out of gas
When the car is about to run out of gas, you should offload whatever you can, including the air conditioner. And the truth is that turning off the air conditioner also helps you avoid wasting gas and also prevents the car from leaking water when parked.
Note that when turning off the air conditioner, you should still keep the fan to make the air in the car cool enough. For manual air conditioners, you should turn off the air conditioner in more cases, for example: climbing steep slopes, driving in areas with thin air, weak old machines, ...
Do not turn on the air conditioner when the car has not started
With the unusual weather of Vietnam, many people have a habit of turning on the air conditioner every time they get into the car, even if the car has not started, while not knowing that turning on the air conditioner before starting the engine will cause the battery to work hard. to run the blower. If so, the battery life will be reduced due to frequent unexpected loads. Therefore, you need to pay attention not to turn on the air conditioner before starting the engine and remember to turn off the air conditioner before getting off the car.
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