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GisiMey

Eon key battery low

My 2015 Hyundai Eon with a gasoline engine is showing a 'key battery low' warning. Keyless access is dead, there's an error stored, and the remote's acting up. Could it really just be the key battery after only 110384 km?

Summary of the thread

A 2015 Hyundai Eon is displaying a 'key battery low' warning, causing keyless access issues and remote malfunction. The problem is likely due to a depleted key battery, despite the vehicle having only 110,384 km. The suggested solution is to replace the key battery, which was confirmed to resolve the issue at a local workshop for a cost of 37€.

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4 comment(s)

reinhardwolf1

I had something similar happen with my Eon. Is the unlocking or locking really not working properly anymore? Seems like a battery issue to me.

GisiMey (community.author)

Yeah, exactly that! I have to be right next to the car for it to even register. Was yours the same? Did you replace it yourself or go to a workshop?

reinhardwolf1

Yep, same symptoms. To be honest, I just went straight to a workshop to get it sorted. It's a pretty common issue, apparently. Did not want to break anything.

GisiMey (community.author)

Thanks! I took your advice and went to a local place. Turns out it was just the key battery, as suspected. Cost me 37€ to replace. Appreciate the help!

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HYUNDAI

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EON