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How to Replace the Battery in a Mini Key

Model: Mini Mini R57, R56, R55 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
Part: Key

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Video tutorial

Is the battery in your Mini key flat? Here’s how to change it. Take your remote key and use a small screwdriver to pry between the two parts of the plastic key cover (be careful not to break the plastic). Remove the flat battery from inside the key (using a small screwdriver).

Fit a new battery of the same size and voltage. Rejoin the two halves of the key cover by pressing until you hear a click.

Check the remote key is working properly: press the buttons on the remote key and see if it functions.


Updated on 19 March 2026 by ScegliAuto


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by ScegliAuto

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