Impala & Monte Carlo

With Change Oil Soon Indictor

Turn ignition on, engine off. Fully press and release accelerator pedal 3 times within 5 seconds. If CHG OIL SOON indicator flashes 2 times, system is resetting. Turn ignition off, then start vehicle. If CHG OIL SOON light comes back on, system has not reset, repeat procedure.

With DE 100 Series Radio

Turn ignition switch to ACC or ON and radio off. Press and hold DISP button on radio for at least 5 seconds until SETTINGS is displayed. Press SEEK up or down arrow to scroll though main menu. Scroll until OIL LIFE appears on display. Press PREV or NEXT button to enter submenu. RESET will be displayed. Press DISP button to reset. A chime will be heard to verify new setting and DONE will be displayed for one second. Once message has been reset, scroll until EXIT appears on display. Press DISP button to exit programming. A chime will be heard to verify exit.