If you’ve been having difficulty starting the Nu MPi 2.0L Atkinson cycle engine in your sixth generation (2017, 2018, 2019 & 2020) Hyundai Elantra sedan on a cold morning and the OEM 12V car battery is a few years old, you probably need to replace it. Check out my DIY tutorial for the procedure (with the original battery’s “Group Size” and the compatible replacement part numbers) by clicking on the text link or thumbnail image below. The procedure should be the same or very similar for Elantra models with the Kappa 1.4L I4 engine and the Gamma 1.6L turbocharged I4 engine.
2017-2020 Hyundai Elantra 12V Automotive Battery Replacement Guide
