Subaru Ascent Key Fob Battery

Find the correct key fob battery for your Subaru Ascent by model year. Select a year below to see the battery size, replacement details, and buy options. When multiple remotes apply, each row shows the remote type.

Common questions

What battery does a Subaru Ascent key fob use?

It depends on your model year and remote type. Use the table below to find the exact coin-cell size (such as CR2032 or CR2025) for your year.

How do I replace the battery in my Subaru Ascent key fob?

Open the fob along the seam, remove the old battery, insert the same-size replacement with the same orientation, and snap it closed. See our step-by-step guide for photos and tips.

Year Remote type Battery type
2024 Smart Key CR2032
2024 Standard Key CR2025
2023 Smart Key CR2032
2023 Standard Key CR1620
2022 Smart Key CR2032
2022 Standard Key CR1620
2021 Smart Key CR2032
2021 Standard Key CR1620
2020 Smart Key CR2032
2020 Standard Key CR1620
2019 Smart Key CR2032
2019 Standard Key CR1620
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