For the best and fastest way you will need your owners manual. you will have to look through the book to find it it will give you step by step procedures to reset the oil life light. if you do not have the book your other options are to look it up on line, or call your dealership they will be able to tell you.
To the right lower side of the instrument cluster is the reset button. Turn off the engine press it down and hold it down, turn the ignition key to the on (not run position) and keep the button down for 10 to 15 seconds it will reset the maint. light.