How to Reset the Oil Life on a Chevrolet Cobalt

Steps from the 2010 Chevrolet Cobalt owner's manual.

Turn the ignition to ON/RUN with the engine off.
Press the DIC information and reset buttons at the same time to enter the personalization menu.
Press the information button until the DIC display shows OIL-LIFE RESET.
Press and hold the reset button until the DIC display shows ACKNOWLEDGED.
Turn the key to LOCK/OFF.

Reset the oil life system to 100% only after an oil change.

Source: 2010 Chevrolet Cobalt owner's manual, PDF page 26. 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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