How to update the software in a Hyundai Ioniq 38kWh (or any Hyundai vehicle)

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In this video I do a software update in our 2020 Hyundai Ioniq Electric 38kWh. The process is similar in all Hyundai vehicles. The update not only fix bugs but also updates the sat nav mapping as well as the operating system in the head unit and can change the graphics and layout too.
Many wrongly assume that this gets done by the Hyundai dealer during a service. It's not part of the service schedule and they will not do this unless you specifically ask for it and it will cost you about an hour's worth of labour (about £150). However, you can do this yourself free of charge by following the steps in this video.
The Hyundai downloader tool is available from
This video was filmed in February 2025.

To see other Hyundai Ioniq EV videos, see the playlist

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Chapters/timestamps:
00:00 Intro
00:11 Differences in 28kWh or 38kWh methods
00:35 Hyundai's software download tool
01:20 USB drive specs
01:53 Downloading software onto the USB drive
03:47 Updating the car
08:11 Please subscribe
08:30 System reboot which ends the updating
09:30 What changes?
10:15 Outro

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