Turn the ignition to run (one position before starting engine).
Press the information and reset buttons on the DIC at the same time to enter the personalization menu.
Press the information button to scroll through the available personalization menu modes until the DIC display shows OIL-LIFE RESET.
Press and hold the reset button until the DIC display shows ACKNOWLEDGED. This will tell you the system has been reset.
Turn the ignition off and then start the engine to verify the indicator has been reset.