Introduction
An abridged version of my complete teardown of the Model 3 key fob. Check out the teardown for more details and examples of making a custom case should your housing also break.
You can check out how I built a replacement housing for the PCB here:
Model files and instructions are here: https://www.printables.com/model/624527-...
Tools
Parts
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Prepare a surface to work on (ensure it's won't damage the piano black exterior coating)
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Gather your key fob and a small plastic spudger
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Using a small pry tool, gently press into the small indent near the front of the key fob while pressing up to pop off the battery cover.
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Remove the coin-cell battery type CR2032 by prying upwards in the small recess
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Insert a fresh CR2032 coin cell battery being sure to match the correct polarity of the original
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If all you want to do is replace the battery, stop here. Otherwise check out my other guide for a full teardown!
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To reassemble your device, follow these instructions in reverse order.
