To reset the 2017 Buick LaCrosse remaining oil life % after an oil change, please follow these instructions:

1. Turn the ignition to run (one position before starting engine).
2. Use the UP/DOWN arrow buttons on the right side of the steering wheel to display the OIL LIFE display.
3. Press and hold the SET/RESET (check mark) button until 100% is displayed.
4. Turn the ignition off and start the engine to verify the indicator has been reset.