
2009 Mazda 3 Sedan Key Fob Battery
CR2025 replacement battery for your 2009 Mazda 3 Sedan key fob Smart Key
Compatibility notes
CR2025 is compatible with 2009 Mazda 3 Sedan, but this vehicle has multiple key fob versions. Only one battery size fits your specific remote.
Remote type for this option: Smart Key.
Other key fob types for this vehicle
2009 Mazda 3 Sedan
CR2025
3V
$9.99 USD
Pack of 2 · Free U.S. shipping · Ships within 1 business day · Secure checkout · One-year product support
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2009 Mazda 3 Sedan key fob battery FAQ
What battery does a 2009 Mazda 3 Sedan key fob use?
The 2009 Mazda 3 Sedan key fob Smart Key uses a CR2025 3V lithium coin-cell battery. This vehicle has more than one key fob type — confirm your remote matches before ordering.
How do I change the battery in my 2009 Mazda 3 Sedan key fob?
Open the key fob along the seam with a small flat-head screwdriver or coin, remove the old CR2025 battery (note which side faces up), insert the new cell the same way, and snap the fob closed. See our step-by-step guide for photos and safety tips. View our full replacement guide