After a few years of almost daily use, the coin cell battery inside the key fob remote control for the keyless entry system of a third generation (2016, 2017, 2018, 2019 & 2020) Kia Sorento SUV can become weak or stop working entirely. Check out my DIY tutorial for changing the key fob battery (with the compatible replacement part number) by clicking on the text link or thumbnail image below.