2002 Chevrolet Impala Owner's Manual - Page 307

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 being turned on, reset the system. After changing the engine oil, the system must be reset. To reset the CHANGE ENGINE OIL message use one of the following procedures: 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 up or down arrow to scroll through the main menu. t 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. You'll need to repeat the reset procedure. 6-18