Little-known button shuts down car and instantly slashes fuel consumption by 12 percent


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Now TikTok user Megan’s Bubble has posted more car hacks. The latest tip involves another button in the car many drivers may not understand.

Megan, who previously recommended drivers use an air conditioning setting shown to save fuel, posted the video to her TikTok account demonstrating what the button looks like.

In her car, the button featured an “A” with a circular arrow wrapping above it.

Megan said: “If you have a button that looks like this in your car this is your automatic start-stop button.

“It’s going to automatically shut down your vehicle when it is stationary for a long time, like when you’re sitting at a stop light or maybe through the Starbucks drive-through.

“It’s supposed to increase fuel economy and reduce emissions.”

READ MORE: ‘Find the cheapest petrol in your area’: Fuel hack to slash the cost of your tank

For drivers using this feature, fuel economy could increase by up to 12 percent.

The operation of the button can vary from vehicle to vehicle.

A number of the content creator’s commenters claimed the setting can wear out batteries.

One wrote: “But the battery will need to be replaced much sooner and more frequently.”

Another said: “One kills the battery faster so instead of it lasting 10 years it only lasts five and it’s also really bad for your engine.”

However, both these claims are inaccurate, according to experts.

The RAC says: ” Many stop-start systems are found on newer cars that have modern, robust batteries with a high capacity. In some cars, a separate battery is used to restart the engine as well.

“Cleverest of all, your car’s computer checks charge levels in your battery before attempting to shut it down. If it decides there isn’t enough charge to restart the engine, it’s left running.”

Another car content creator, Abigayle, told Britons to avoid a costly mistake at the petrol pumps. 

The expert behind She Talks Cars detailed five tips for drivers to cut their fuel costs.

One of which may surprise drivers is to never fill up your tank. While it may seem counterintuitive, there is some logic behind the tip.

Abigayle said: “You might think, well what if people are panic buying fuel? But, fuel is really heavy.”

A full tank of petrol weighs around 43.2kg, which is the same as driving around with five Dachshunds in your car.


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