How to Reset the Oil Life on a Acura TSX

Steps from the 2013 Acura TSX owner's manual.

Turn the ignition switch to ON (w.
Press the SEL/RESET button repeatedly until the engine oil life shows on the multi-information display.
Press and hold the SEL/RESET button for 10 seconds or more to bring up the oil life reset mode.
Select RESET with the (Information) button.
The service code disappears and the engine oil life display returns to 100%.

Reset only after the maintenance service has been performed; skipping it causes incorrect maintenance intervals.
To cancel the oil life reset mode, select CANCEL, then press the SEL/RESET button.

Source: 2013 Acura TSX owner's manual, PDF page 229. 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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