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How to Replace the Key Fob Battery in an Audi A4?

Model: Audi A4 B8 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Part: Key

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Video tutorial

Replacing the key fob battery in an Audi A4, as shown in this tutorial, is an extremely simple and quick operation. For this, you will need a replacement CR2032 battery and a small flathead screwdriver.

Start by extending the emergency key by pressing the designated button, then insert the screwdriver into the indicated slot, pry it open, and unlock the rear cover. Once fully opened, you can remove the old battery, insert the replacement while ensuring the correct orientation, and reassemble everything.


Updated on 26 June 2026 by ScegliAuto


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How to Reset the Tyre Pressure Warning Light on a Kia Rio?

The tyre pressure warning light displayed on the instrument cluster of the Kia Rio can be reset by inflating the tyres until they reach the recommended pressure value: this value is indicated on the sticker affixed to the driver's door pillar. Once all tyres have been inflated to the recommended pressure, turn on the ignition to check that the light has disappeared: if it is still present, it may be necessary to drive for a few miles, allowing the sensors to work and thus turning off the light.

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by ScegliAuto

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