If You're changing the battery in the Ford Fiesta key fob You're going to need a new 3 volt CR2032 battery. To get access to the battery You'll need a flat head screwdriver or some other object that lets You pry open the key fob. You'll first want to remove the top part of the key fob that has the Ford logo on it and then You need to take out the key that's inside the fob. Insert the screwdriver into the groove near the handle of the fob and pop it up and You'll see the battery. You can use the screwdriver again to pop out the battery and then slide the new one in and reassemble the parts. -
Juan E.
April 10, 2020
The battery in a ford fiesta key fob can be changed by prying apart the key fob. Prying out the old battery. Inserting a new cr2032 battery with the plus side up. Snapping together the key fob.
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