After a few years of almost daily use, the battery inside the key fob remote control for a 1st generation 2017, 2018, 2019 and possibly also the 2020 and 2021 Chrysler Pacifica minivan can become weak or stop working entirely. Check out my DIY tutorial for the procedure (with the compatible replacement part number) by clicking on the text link or thumbnail image below.
2017-2019 Chrysler Pacifica Key Fob Battery Replacement Guide