How to Reset the Oil Life on a Acura TSX Sport Wagon

Steps from the 2014 Acura TSX Sport Wagon 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.
Check that the service code disappears and the oil life returns to 100%.

Reset only after the maintenance service has been performed.
To cancel the reset mode, select CANCEL, then press the SEL/RESET button.
Failing to reset can cause incorrect maintenance intervals.

Source: 2014 Acura TSX Sport Wagon owner's manual, PDF page 235. 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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