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How to Replace the Key Battery in a Hyundai Santa Cruz

Model: Hyundai Santa Cruz MK 1 - Years: 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

Video tutorial

If the smart key for your Hyundai Santa Cruz suddenly stops working and you want to learn how to replace the button battery inside, follow these steps. First, completely pull out the physical emergency key by sliding it out. Next, get a flathead screwdriver and use it to open the cover.

Locate the dead battery and proceed with its replacement. Once the new battery is correctly installed, reassemble the cover and place the emergency key back inside.


Updated on 12 June 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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