Mazda Key Fob Battery Replacement
CR2025 is the common Mazda choice — with the occasional CR2032 on newer keys.
Mazda remotes commonly use the thinner CR2025; newer keyless models use CR2032. Mazda fobs open at the seam after releasing the emergency key — no screws on most models.
Common batteries for this brand
Model year and trim vary — always match the stamped number on your old battery.
FAQ
Which battery does a Mazda key fob take?
CR2025 on many remotes, CR2032 on newer keys — match the printed number.
How do I open a Mazda key fob?
Release the emergency key first, then split the shell at the seam with a flat tool.
Why does my Mazda key quit soon after?
Check the contact springs and the cell orientation before blaming the fob.
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