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Change Key Battery on Fiesta

Model: Ford Fiesta Fiesta 5, MK 5, MK V - Years 2002-2008
Part: Key

How to change the battery of a Ford Fiesta key? Start by prising apart the two halves of the remote key using a screwdriver. Once separated, locate the battery inside. Remove the flat battery with a screwdriver and replace it with a new one of the same type and voltage. Reassemble the two halves of the key cover until you hear them click into place. Test the functionality of the Ford key.

Updated on 2 April 2026 by ScegliAuto

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