How to Reset the Oil Life on a Chevrolet Avalanche

Steps from the 2013 Chevrolet Avalanche owner's manual (most vehicles (DIC method); an all-vehicle accelerator pedal method is also given).

Bring up OIL LIFE REMAINING on the DIC; if the vehicle has no DIC buttons, put it in P (Park) first.
Press and hold the SET/RESET button on the DIC for more than five seconds.
On vehicles without DIC buttons, hold the trip odometer reset stem for more than five seconds instead.
Check that the oil life display now reads 100%.

Reset only right after an oil change; the system will not reset itself.
Another method for all vehicles: with ignition ON/RUN and engine off, fully press the accelerator slowly three times within five seconds, then check for 100%.
If CHANGE ENGINE OIL SOON returns at startup or oil life is near 0%, the reset did not work; repeat it.

Source: 2013 Chevrolet Avalanche owner's manual, PDF pages 343, 344. 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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