How to Reset the Oil Life on a Ford F-250 / F-350 / F-450 / F-550 Super Duty

Steps from the 2020 Ford F-250 / F-350 / F-450 / F-550 Super Duty owner's manual (diesel engines with the Intelligent Oil Life Monitor).

Use the information display controls on the steering wheel to reach the main menu.
Press the down arrow button and scroll to Truck Info, then press the OK button.
Scroll down to Maintenance Monitor and press the OK button.
Scroll down to Oil Life: xxx% and press the OK button.
Select Oil Life, then press and hold the OK button until the display shows Oil Life Hold OK to Reset.
Check that the cluster shows Oil Life: 100%.

Do this after changing the engine oil and filter on diesel engines.
Repeat the process if the oil change indicator does not reset.

Source: 2020 Ford F-250 / F-350 / F-450 / F-550 Super Duty owner's manual, PDF pages 348, 349. 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.

Confirm with your own manual, dipstick or door-jamb label.
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