Discover the 'magic' air conditioning button in your car that 'boosts fuel efficiency'

Summer has finally decided to stick around, and its bringing glorious weather all over the UK.

It's the perfect time for making plans in the great outdoors and enjoying those breezy summer drives with the windows rolled down. But as much as we love a sun-soaked cruise, there's nothing worse than your air con guzzling up your fuel.

A TikTok user, who goes by the handle @master_driver666 and boasts a following of 719,000, is known for dishing out car tips and tricks, reports the Mirror.

In their latest viral video, they reveal the one button you should be using to keep cool without burning through your petrol. The clip, which lasts just over a minute, details four ways to optimise your air conditioning.

The user advises: "This air conditioning button in the car, do you know what it is for? Many people think it is only used to turn on air conditioning in summer, totally wrong! If you use this air conditioning button as well, driving is extremely fuel-efficient.

"First, turn on the air conditioning in summer, open the inner loop, this cooling effect is very good. Second, turn on the air conditioner in winter, let's turn off the air conditioner, open the outer loop button. The key is also very fuel-efficient.

"Third, turn on the air conditioner on rainy days, adjust the blowing mode to blow on the glass, this way the glass will no longer fog up. Fourth turn on the air conditioner in a traffic jam, in this way the exhaust outside the car cannot enter."

Since the video was posted, followers expressed gratitude for the information. One supporter stated: "Your style is excellent," while another enthused: "Good job everyday! Thank you a lot! " A third added: "At last, a reason to not go to the repair shop!"

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