Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Maintenance Indicator Reset

RESET THE ENGINE OIL LIFE INDICATOR

NOTICE: The GM Oil Life system does not know how much oil is in your engine, so you will have to check the oil level regularly.






1. With the engine running or the ignition key in "RUN" and the engine off, press and release the trip odometer reset stem until the "OIL LIFE" message is displayed in the message center.
2. Press and hold the trip odometer stem for a few seconds until a chime sounds five times and "RESET" is shown in the message center.






3. The message center returns to displaying the odometer after the reset is complete.