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How to Replace the Key Battery of a 2003 Ford Fiesta

Model: Ford Fiesta MK V, MK 5, Fiesta 5 - Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008
Part: Key

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Video tutorial

The steps to replace the battery in a 2003 Ford Fiesta key are straightforward to carry out independently. First, insert a flathead screwdriver into the key to remove the lower part from the remote.

Second, open the remote to take out the battery. Third, insert the new battery and close the remote.

Fourth, reassemble the key by connecting the two halves. Once all steps are completed, test the key's functionality.


Updated on 22 October 2026 by ScegliAuto


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