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How to Replace the Key Fob Battery of a Chevrolet Blazer

Model: Chevrolet Blazer MK 1 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

To replace the battery of the key fob for a Chevrolet Blazer, you will only need a small flathead screwdriver and a new battery, specifically a flat CR 2032 model rated at 3V. First, extract the metal key located inside the fob: press the small button on the side edge of the casing and simultaneously pull out the key. Next, insert the tip of the key into the empty cavity and lever it to open the fob; then use the screwdriver tip to pry the battery out. Finally, replace the old battery with the new one.


Updated on 16 June 2026 by ScegliAuto


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by ScegliAuto

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