Key Fob Battery Replacement Guides

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We’ve created over 600 original videos, photos, and guides on how to change car fob batteries since 2017. The most common car key fob battery is a CR 2032 (amazon link). Check out our YouTube channel for the latest video guides.

Replace Car Fob Battery - Here's the Size You Need!

There are hundreds of different types of key fobs in existence, and we are working our way through all the major car brands to give you in-depth tutorials for all of them.

UPDATE: As of August 2022, we have completed over 80% of car key fobs in the last three decades (90’s-2022). I hope to finish up the remainder in 2023.

how to change car key fob batteries
Learn how to change the battery in your car key fob!

Most key batteries are “CR” coin or key batteries – such as the CR 2450 key fob battery.

Below is our current list of brands for which we have crated battery change guides. We also have a guide to changing the battery in the Tile Mate and Tile Pro devices.

Battery Change Key Fob Guides by Brand w Videos


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