How to Reset the Oil Life on a Buick Envista

1. Put the vehicle in P (Park).
2. On the infotainment home screen, choose Vehicle Status > Maintenance > Oil Life > Reset.
3. Follow the menu and select Reset on the display screen.
4. Select Reset again to confirm; the percentage changes to 100%.

• Reset only right after the oil has been changed; the system will not reset itself.
• If CHANGE ENGINE OIL SOON returns at startup or oil life is near 0%, the reset did not work; repeat the procedure.

Source: 2026 Buick Envista owner's manual, PDF pages 198, 99. 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.