Below you will find the process from the manual that will provide the detail needed.
Please run through this info and let us know if you have questions. Thanks
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Tuesday, July 6th, 2021 AT 7:55 PM
SPUNKY LOPEZ
MEMBER
1 POST
2002 OLDSMOBILE ALERO
How does one turn off the 'change oil light' on a 2002 Alero after the oil has been changed?
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Thursday, July 8th, 2021 AT 9:23 AM
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JACOBANDNICKOLAS
MECHANIC
109,740 POSTS
Hi:
With the engine off, turn the key to the run position. Next, press the gas pedal to the floor three times and wait. The light should flash indicating it's reset.