The headlight housings of a 4th generation (2016, 2017, 2018, 2019 & 2020) Kia Optima contain the low beam, high beam and front side marker light bulbs. Check out my DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2016-2020 Kia Optima Headlight Bulbs Replacement Guide
