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2018 Toyota Yaris car key battery replacement.
Requires a CR2025 3V battery
Tools: Knife or small flat blade screwdriver
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Release latch on back of key and pull from key ring to remove the backup metal key from the rest of the fob.
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Using a knife or small flat blade screwdriver pry open the two halves of the key.
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To avoid cosmetic damage start from the inside where the metal key was removed in the previous step.
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Remove black circular cover, underneath is an O-ring and the battery.
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Battery can easily be removed and replaced. Using CR2025 3V battery, ensure writing is visible with battery installed.
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To reassemble reverse steps, install battery cover, snap the two halves together and push metal key back into its receptacle (no tools required for reassembly).
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
