How to Replace the Key Fob Battery in a Ford Transit Connect

1. Twist a thin coin in the slot near the key ring to remove the battery cover.
2. Remove the old battery.
3. Insert the new battery, following the orientation instructions inside the transmitter.
4. Press the battery down until it is fully in the housing.
5. Snap the battery cover back onto the transmitter.

• Do not wipe off grease on the battery terminals or the back of the circuit board.
• Replacing the battery does not delete the transmitter from the vehicle.

Source: 2018 Ford Transit Connect owner's manual, PDF page 50. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.