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The Mazda3 key fob from 2011 uses a CR2025 battery. Over time, you may encounter issues with the battery such as dying, leaking, or draining quickly. In these cases, you'll need to either recharge or swap it out. If the case cracks, it will require complete fixing. At some point, the battery will become ineffective and will need to be replaced, typically every 50,000 to 60,000 miles. While it may cost some money to replace, it's necessary to ensure your car continues to function properly.
I had a CR1620 battery. The CR2025 is too big to fit the one I need.
The battery used in a 2011 Mazda 3 key fob is a CR2025 battery, which is approximately the size of a nickel.
CR 1620 battery is required for this 4-button key fob model from 2011.
Incorrect! The 2011 Mazda 3 model actually requires a CR2016 battery instead of a CR2025 battery.
If it's a flip-key fob, you'll need a CR1620 battery.
CR1620 for the win! It's the best choice!