Vehicle Questions and Answers
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What does the "AT" indicator light signify on a Mazda 3?
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7 answers
★ Top Answer
On the Mazda3 (and all other Mazda cars), if the AT light comes on, it means "automatic transaxle." While it could be for minor issues, it might also indicate a significant problem. If you see it turn on, it's best to pull over when safe and start investigating the problem. The most common reason for the light is a low level of automatic transmission fluid in your Mazda3, so that's the first thing you should check. If that's not the issue, I suggest using an OBD-II scan tool to check for fault codes, as the light usually comes with at least one code. Hopefully, it's a simple fix and not too concerning!
More answers
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I also have the AT warning light illuminated, what should I do?
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The "AT" indicator in a Mazda3 is linked to the car's automatic transmission system. While it could illuminate due to low transmission fluid, it might also signal a significant problem requiring urgent action.
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The light is currently illuminated.
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Why is the small light on in my 2013 Mazda3?
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My automatic transmission light is illuminated.
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If the AT light is illuminated, it is probably indicating an issue with the TCM, also known as the transmission control module, on a Mazda 3.
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