✅Mazda CX-9 Car Key Battery Guide (2006-2025)
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The Mazda CX-9 key fob has stayed consistent across all generations, which makes replacing the battery simple and quick. Whether you own a 2006 CX-9 or a 2025 model, the battery type is the same in almost all cases: CR2032.
Below is the complete battery guide with year compatibility, sizes, and replacement notes.
Mazda CX-9 Key Fob Battery Table
| Brand | Model | Years | Battery type | Quantity | Notes |
|---|---|---|---|---|---|
| Mazda | CX-9 | 2006-2025 | CR2032 | 1 | Standard smart key fob for all trims |
| Mazda | CX-9 (early flip key variants in some regions) | 2006-2008 | CR1620 | 1 | Rare non-US flip key version |
| Mazda | CX-9 (push-button start smart key) | 2016-2025 | CR2032 | 1 | Proximity smart key |
Key Battery by Generation
First Generation Mazda CX-9 (2006-2015)
Uses: 2008 mazda cx 9 key battery replacement / mazda cx 9 key battery / mazda cx 9 key fob battery size
- Standard battery: CR2032
- Rare exception: CR1620 flip key versions in some non-US markets
Second Generation Mazda CX-9 (2016-2025)
Uses: 2018 mazda cx-9 key fob battery replacement / mazda cx 9 key fob battery type
- All models use CR2032
- Battery life: 1-2 years
- Even with a dead battery, the car can start when you hold the key fob against the START button
What Battery Does a Mazda CX-9 Key Fob Take?
All Mazda CX-9 key fobs from 2006 through 2025 use a CR2032 3V lithium coin cell battery.
This applies to all trims: Sport, Touring, Grand Touring, Signature and Carbon Edition.
Replacement Notes
- No reprogramming required
- Only a small flat screwdriver or the built-in key blade is needed
- Replacement takes less than two minutes
- If the battery is dead, hold the fob against the START button to start the car
Mazda CX-9 Key Battery Price
| Where to buy | Typical price |
|---|---|
| Amazon, Target, Walmart | 2-6 USD |
| Auto parts stores | 5-10 USD |
| Dealership installation | 10-25 USD |
Buying a 2-pack of CR2032 batteries is recommended so you always have a spare.
Mazda CX-9 – OEM key fob part numbers
For the Mazda CX-9, the same rule applies: the OEM numbers identify the smart key assembly, while the battery inside is a standard CR2032 coin cell on almost all CX-9 models.
Representative OEM smart key part numbers for the Mazda CX-9:
- 2011-2015 Mazda CX-9 smart key – OEM part number TEY1-67-5RY, battery CR2032
- Some first generation CX-9 and CX-7 keys share an FCC ID like WAZX1T763SKE11A04 and are sold as genuine Mazda CX-9 smart keys for those years
- 2021-2023 Mazda CX-9 US market smart key – OEM part number TAYB-67-5DYB, FCC ID WAZSKE13D03, battery CR2032
- Other CX-9 listings reference FCC IDs such as WAZSKE13D02 used on CX-5 and CX-9 proximity keys in the 2013-2019 range
So for any Mazda CX-9 from 2006-2025, you usually only need to know that the key fob takes a CR2032 battery, while the OEM part number of the fob itself can vary by year, region and trim.
FAQ
The Mazda CX-9 key fob uses a CR2032 3V coin cell battery for all years from 2006 to 2025.
The standard size is CR2032. A rare early flip key version in some regions used CR1620.
This indicates the battery is almost depleted. Reduced range and a weak LED are typical signs.
Yes. Hold the key fob against the START button and press the brake to start the car.
The average CR2032 battery lasts 1-2 years depending on usage and climate.
CR2032 batteries cost between 2 and 6 USD online and up to 20 USD at dealerships.
Yes. All CX-9 models from 2006 to 2025 use CR2032, except rare flip keys that used CR1620.
