To perform the 2015 kia optima oil reset firststart your engine. if service required is displayed, then reset by pressing the ok button for more than 1 second. turn the ignition off. the 2.0 turbo liter engine holds5.1 quarts of synthetic 5w-30 oil when the engine oil and filter are changed. the 2.4-liter engine holds5.1 quarts of 5w-20 oil. if the system is not reset, it will be unable to properly track when your next oil change is due. if the oil isn't changed, your vehicle's engine will start to have a lot of problems.over time the oil will become thinner, abrasive, and will start to wear down on vital engine parts.
To perform a 2015 kia optima oil light reset you will press the square button to display settings mode. use the up/ down arrows to highlight settings and press enter button. select maintenance and press enter button. select item to be reset, reset distance and confirm with enter button.