Navigator 4WD V8-5.4L (2010)
3. Press and release the reset button until the message center displays OIL LIFE = XXX% HOLD RESET = NEW.
4. Press and hold the RESET button for 2 seconds and release when the message center displays OIL LIFE SET TO 100%.
5. Press the RESET button to lower 10% from the default 100% until the message center displays OIL LIFE SET TO XX%.
6. NOTE: The oil life start value can be lowered from 100% to 10% in 10% increments then the value starts again at 100%.
Repeat steps 2-5 for each desired 10% reduction.
7. Press and release the reset button to exit the procedure.