Resetting the oil check light is done inside the setting mode.

Enter the setting mode by switching the car key to the ON position and selecting "range" with the display selector, and pressing the display selector for at least 2 seconds.

The menu has 4 options which can be scrolled through by turning the display selector left or right.

Scroll until you see the oCl (oil clear) option. Press the display selector to enter the menu option and select the reset action.

Confirm the reset action by pressing the display selector. You will see a succe message and will return in the menu.

Scroll the menu until you see the end option and press the display selector to confirm.