Which is the recirculation mode, auto or man?

[MartinFitz]

man is the recirculation mode. auto refers to automatic air conditioning. Here are the methods for selecting between recirculation and fresh air modes: 1. At startup: After turning on the car's air conditioning, first set the fan to the maximum speed and switch to fresh air mode. Open the car doors to expel hot air from the interior, then switch to recirculation mode. 2. While driving: Use recirculation mode in traffic jams to prevent the air conditioning from inhaling exhaust fumes from vehicles ahead; use fresh air mode during high-speed driving; use recirculation mode for urban driving. 3. When parked: In enclosed spaces with the engine idling, it's best to turn off the air conditioning.

[OMason]

I've been working with cars for decades, and the auto mode doesn't directly indicate recirculation. Recirculation refers to that independent button in the air conditioning system, often represented by an icon of an arrow circling inside the car, showing that air is circulating within the vehicle. In auto mode, the system automatically determines based on temperature sensors, such as prioritizing recirculation for quick cooling or heating when starting up. In manual mode, you need to press that button yourself to control recirculation, like turning it on in traffic to reduce inhaling exhaust fumes. Be careful not to keep recirculation on all the time, as it can lead to stale air or fogging inside the car. Check your car's AC panel; the recirculation button usually exists separately. Auto and manual are just overall operation modes—don't confuse them. Regularly cleaning the filter can also make circulation more effective.

[SebastianAnn]

From a technical perspective, neither 'auto' nor 'man' refers to the recirculation mode itself. Recirculation is an air flow method that isolates interior and exterior air, while fresh air mode introduces outside air. In auto mode, the electronic control unit analyzes data to intelligently switch between recirculation and fresh air modes - for example, automatically activating fresh air when high CO2 levels are detected to prevent dizziness. In manual mode, you need to press the recirculation button yourself, typically marked with a circular arrow or car interior icon. This design allows quick response to road conditions, such as activating recirculation when entering tunnels to filter dust. Understanding these functions enables more efficient AC usage for both comfort and safety - don't let incorrect assumptions compromise your driving experience.

[DelIan]

Simply put, the recirculation is not an auto or manual mode. It's an independent function button used to close the external air intake and keep air circulating inside the car. In auto mode, the air conditioning intelligently decides between fresh air and recirculation, such as frequently using recirculation when initially cooling to speed up the process. In manual mode, you operate the button yourself to turn it on as needed, like switching to recirculation to prevent fogging on rainy days or effectively reduce urban smog. When operating, look for the specific icon on the air conditioning panel to avoid confusion. Proper usage can enhance air conditioning performance while maintaining healthy air quality.

[PiperMarie]

I remember once trying the auto mode with the automatic air conditioning, and I was amazed at how quickly it switched to recirculation mode to cool down the cabin. Later, in manual mode, I stubbornly kept the recirculation on to save fuel, but the air inside became stuffy and fogged up, nearly causing an accident. Through trial and error, I learned that auto mode intelligently balances between recirculation and fresh air to maintain comfort, while manual mode requires button presses for flexible control. The recirculation button is usually independently placed on the panel, often marked with an arrow inside the car icon—don’t mistake it for another mode. I recommend using auto mode for convenience, occasionally switching to manual to adapt to traffic jams or bad weather. With more practice, you’ll quickly recognize the icons and avoid risks.