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

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Maintenance Indicator Reset


GM OIL LIFE SYSTEM - RESETTING
USING THE RADIO
1. Turn the ignition to "ACC" OR "ON", with the radio off.
2. Press and hold the "TUNE DISP" button on the radio for at least five seconds until "SETTINGS" is displayed.
3. Press the "SEEK PTYPE" or the "SEEK PSCAN" up or down arrow to scroll through the main menu.
4. Scroll until "OIL LIFE" appears on the display.
5. Press the "1 PREV" or "2 NEXT" button to enter the submenu. "RESET" will be displayed.
6. Press the "TUNE DISP" button to reset. A chime will be heard to verify the new setting and "DONE" will be displayed for one second.
7. Once the message has been reset, scroll until "EXIT" appears on the display.
8. Press the "TUNE DISP" button to exit programming. A chime will be heard to verify the exit.

USING THE ACCELERATOR PEDAL
1. Turn the ignition to "ON", with the engine off.
2. Fully press and release the accelerator pedal three times within five seconds. If the "CHANGE ENGINE OIL" message flashes, the system is reset. However, if it stays on , it did not reset. Repeat the procedure.