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

HOW TO RESET THE CHANGE ENGINE OIL MESSAGE
The GM Oil Life System calculates when to change your engine oil and filter based on vehicle use. Anytime your oil is changed, reset the system so it can calculate when the next oil change is required. If a situation occurs where you change your oil prior to a "CHANGE ENGINE OIL" message in the Driver Information Center (DIC) being turned on, reset the system.

After the oil has been changed, the "CHANGE ENGINE OIL" message must be reset. To reset the message, do the following:

1. Turn the key to the "ON" position without starting the engine.
2. Press the INFO button on the Driver Information Center (DIC) until "ENGINE OIL LIFE" is displayed.
3. Press and hold the INFO RESET button until "100% ENGINE OIL LIFE" is displayed. This resets the oil life indicator.

The percentage of oil life remaining may be checked at any time by pressing the INFO button until "ENGINE OIL LIFE" is displayed on the DIC.