Mazda3 key fob battery (2013–2019): CR2025
The Mazda3 key fob (2013–2019) takes one CR2025 3V lithium coin cell.
CR20253V
CR2025× 13V lithium coin cell
Also sold as DL2025, ECR2025, KECR2025 · CR2025 details
Source: Mazda Mazda3 owner's manual
Before you swap it
- CR2016 and CR2032 are the same 20 mm width as a CR2025 but a different thickness, so read the code on the old cell before you order, because a cell that's too thin can lose contact every time the fob gets knocked.
- Keep the old cell until the new one works. If the car still won't respond, the new cell is usually in the wrong way up.
Quick answers
What battery does the Mazda3 key (2013–2019) take?
One CR2025 3V lithium coin cell.
Is DL2025 the same as CR2025?
Yes. DL2025, ECR2025 and KECR2025 are all the same cell as CR2025, sold under another name.
Will a CR2032 fit instead of a CR2025?
No. It's the same 20 mm width but 3.2 mm thick, against 2.5 mm for a CR2025. Use a CR2025.