How to Replace the Key Fob Battery in a Ford Transit

1. Insert a suitable tool, such as a screwdriver, in the position shown and carefully remove the battery.
2. Install the new battery with the + facing upward.
3. Reinstall the battery cover and the key blade.

• Do not wipe off any grease on the battery terminals or on the back surface of the circuit board.
• The message Key battery low Replace soon displays when the remote control battery needs replacing.

Source: 2026 Ford Transit owner's manual, PDF page 84. 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.