The best place to start when troubleshooting any electrical problem with your sixth generation (2017, 2018, 2019, 2020 and probably also the 2021 model year) Hyundai Elantra is to check for a blown fuse or a faulty relay in either the engine bay or the interior passenger compartment electrical panels. To view my DIY tutorial for the procedure, click on the text link or thumbnail image below.
2017-2020 Hyundai Elantra Electrical Fuse Replacement Guide
