How to Reset the Oil Life on a Ford Flex

1. Use the information display controls on the steering wheel and go to the main menu.
2. Press the right arrow button and scroll to Settings.
3. Press the right arrow button again and scroll to Vehicle.
4. Press the right arrow button again and scroll to Oil Life.
5. Press and hold the OK button until the cluster shows Hold OK to Reset.
6. Confirm the cluster shows Reset Successful and 100% remaining life.

• Reset the monitor after engine oil and filter changes.
• If Not Reset or Reset Cancelled appears, repeat the process.

Source: 2019 Ford Flex owner's manual, PDF pages 251, 450. 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.