To reset the 2015 Lincoln MKZ oil life, please follow these instructions:
1. Turn the ignition to run (one position before starting engine/ one push of START/STOP button).
2. Using the arrow keypad (left of steering wheel) select SETTINGS.
3. From the SETTINGS menu select VEHICLE.
4. From the VEHICLE menu select OIL LIFE RESET followed by OK.
5. Turn the ignition off and then start the engine to verify the indicator has been reset.