Drivers are only just realising what a common button actually does in their car – and it’ll help you save fuel

DRIVERS were stunned when they found out what a single button in their car actually does.

The handy tip was shared by TikTok star Megan’s Bubble, who regularly posts useful advice on various topics, including cars, on social media.

With this practical tip you can save fuel and therefore money


With this practical tip you can save fuel and therefore moneyCredit: TikTok/@megansbubble

The footage begins with the caption, “Car tips and tricks, I bet you didn’t know what that car button is actually used for…”

Megan says, “Things you should know before you’re 30, let’s go.”

Then the automatic start-stop button of a car is shown, which is located in her car on the center console between the front seats.

Megan says, “If you have a button in your car that looks like this, that’s your automatic start-stop button.”

“Your vehicle will automatically switch off if it is stationary for a long period of time.

“Like sitting at a stoplight on a Starbucks thoroughfare.

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“It’s designed to increase fuel consumption and reduce emissions.”

Although stop-start technology has been around in cars for decades, it wasn’t until 2008 that it really took off.

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Most new cars are now equipped with it and in the last 14 years more and more models have been equipped with it.

Not everyone likes their engine stopping and starting all the time, but it will save you fuel and money over the months and years.

There is also a myth that it will damage your starter and engine – cars with stop-start technology are designed to deal with this.

The car’s electronic brain determines when it can and cannot be used based on many different factors, including engine temperature.

The button will likely have an A in a circle, but if you’re having trouble finding it, check your car’s manual or ask a dealer.

The Megan's Bubble channel often offers motorists practical tips


The Megan’s Bubble channel often has handy tips for motoristsCredit: TikTok/@megansbubble
The automatic stop-start button helps you save fuel when it's on


The automatic stop-start button helps you save fuel when it’s onCredit: TikTok/@megansbubble

Alley Einstein

Alley Einstein is a USTimesPost U.S. News Reporter based in London. His focus is on U.S. politics and the environment. He has covered climate change extensively, as well as healthcare and crime. Alley Einstein joined USTimesPost in 2023 from the Daily Express and previously worked for Chemist and Druggist and the Jewish Chronicle. He is a graduate of Cambridge University. Languages: English. You can get in touch with me by emailing

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